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Why can't decimal numbers be represented exactly in binary?

...(and will do so if you try to divide 1 by that number). Although 0.1 is usually used as the simplest example of an exact decimal number which can't be represented exactly in binary floating point, arguably 0.2 is a simpler example as it's 1/5 - and 5 is the prime that causes problems between decimal...
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Are Databases and Functional Programming at odds?

... First of all, I would not say that CLOS (Common Lisp Object System) is "pseudo-OO". It is first class OO. Second, I believe that you should use the paradigm that fits your needs. You cannot statelessly store data, while a function ...
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Are braces necessary in one-line statements in JavaScript?

... expands the statement it will be required. This same practice follows in all C syntax style languages with bracing. C, C++, Java, even PHP all support one line statement without braces. You have to realize that you are only saving two characters and with some people's bracing styles you aren't eve...
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Where can I download IntelliJ IDEA Color Schemes? [closed]

... @haccks You still can download all the themes one-by-one for free. You know, I spent my time to I make that site and convert a lot of eclipse themes. After all, I have to pay for the hosting and domain. Do you think that $2 is very high price to support th...
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Circle-Rectangle collision detection (intersection)

... the circle. Note that this does not require the rectangle to be axis-parallel. (One way to see this: if none of the edges has a point in the circle (if all the edges are completely "outside" the circle), then the only way the circle can still intersect the polygon is if it lies completely ins...
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How to bind 'touchstart' and 'click' events but not respond to both?

... Update: Check out the jQuery Pointer Events Polyfill project which allows you to bind to "pointer" events instead of choosing between mouse & touch. Bind to both, but make a flag so the function only fires once per 100ms or so. var flag = false; $thing.bind('touchstart click', functi...
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Array or List in Java. Which is faster?

I have to keep thousands of strings in memory to be accessed serially in Java. Should I store them in an array or should I use some kind of List ? ...
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What does the comma operator , do?

... then if I write i = (5,4,3,2,1,0) then ideally it should return 0, correct? but i is being assigned a value of 5? Can you please help me understand where am I going wrong? – Jayesh Nov 13 '10 at 6:55 ...
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Changing user agent on urllib2.urlopen

...eaders should be a dictionary, and will be treated as if add_header() was called with each key and value as arguments. This is often used to “spoof” the User-Agent header, which is used by a browser to identify itself – some HTTP servers only allow requests coming from common browsers as oppos...
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Can I use CoffeeScript instead of JS for node.js?

... To install coffee sudo npm install -g coffee-script – Dmitry Polushkin Nov 6 '13 at 12:44 ...