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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell

...onent of the mod operation (they aren't the same). If you look in the GHC Base library you see mod tests for several conditions and adjusts the sign accordingly. (see modInt# in Base.lhs) – Thomas M. DuBuisson Aug 6 '11 at 5:23 ...
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How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]

... Anybody who uses MingW and doesn't realize it, this is also a Cygwin based thing, and it has this too. – Warren P Mar 16 '11 at 17:58 4 ...
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Encrypting & Decrypting a String in C# [duplicate]

...votes, I've updated it to fix silly bugs and to generally improve the code based upon comments and feedback. See the end of the post for a list of specific improvements. As other people have said, Cryptography is not simple so it's best to avoid "rolling your own" encryption algorithm. You can, h...
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What is the LD_PRELOAD trick?

...load a library that does something completely radically different from the base library as though to emulate some other system. – Joshua Nov 26 '13 at 15:35 1 ...
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Adding header for HttpURLConnection

...redentials = "username:password"; String basicAuth = "Basic " + new String(Base64.getEncoder().encode(userCredentials.getBytes())); myURLConnection.setRequestProperty ("Authorization", basicAuth); myURLConnection.setRequestMethod("POST"); myURLConnection.setRequestProperty("Content-Type", "applicat...
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Java associative-array

...ped, however has less elegant syntax/API. This is the closest you can get based on your example: Map<Integer, Map<String, String>> arr = org.apache.commons.collections.map.LazyMap.decorate( new HashMap(), new InstantiateFactory(HashMap.class)); //$arr[0]['name'] = 'demo'...
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Can't start Eclipse - Java was started but returned exit code=13

... Your version of Eclipse is 64-bit, based on the paths and filenames. However, the version of Java that it's picking up is 32-bit, as indicated by where it is coming from, on this line: -vm C:\Program Files (x86)\Java\jre7\bin\javaw.exe Program Files (x86) i...
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How to 'minify' Javascript code

... Along with minifying you can base64 encode it too. It makes your file much more compressed. I'm sure you have seen js files that are wrapped inside an eval() function with parameters (p,a,c,k,e,r) passed. I read it in this article How to Minify a Javasc...
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Determining 32 vs 64 bit in C++

...or a way to reliably determine whether C++ code is being compiled in 32 vs 64 bit. We've come up with what we think is a reasonable solution using macros, but was curious to know if people could think of cases where this might fail or if there is a better way to do this. Please note we are trying to...
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Draw text in OpenGL ES

...est and fastest, but the least flexible. Roll-your-own text rendering code based on a sprite. Probably second best choice if 2 isn't an option. A good way to get your feet wet but note that while it seems simple (and basic features are), it get's harder and more challenging as you add more features ...