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Simple (non-secure) hash function for JavaScript? [duplicate]

... can simply call .hashCode() on any string, e.g. "some string".hashCode(), and receive a numerical hash code (more specifically, a Java equivalent) such as 1395333309. String.prototype.hashCode = function() { var hash = 0; if (this.length == 0) { return hash; } for (var i =...
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How can I output the value of an enum class in C++11

...ts integer value. You need to explicitly convert it to an integer using a cast: std::cout << static_cast<std::underlying_type<A>::type>(a) << std::endl; You may want to encapsulate the logic into a function template: template <typename Enumeration> auto as_integer(...
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How do I find out which keystore was used to sign an app?

I have an app which is signed and several keystore files. I'd like to update the app, so I need to find out which one of keys was used. ...
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What's the difference between VARCHAR and CHAR?

What's the difference between VARCHAR and CHAR in MySQL? 14 Answers 14 ...
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How and why do I set up a C# build machine? [closed]

... be used for free with some restrictions. There is also a tutorial on Dime Casts. The reason we didn't use CruiseControl.NET is that we had a lot of small projects and it's quite painful to set each one up in CC.NET. I would highly recommend TeamCity. To summarize if you are toward open source then ...
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How can I store my users' passwords safely?

...The easiest way to get your password storage scheme secure is by using a standard library. Because security tends to be a lot more complicated and with more invisible screw up possibilities than most programmers could tackle alone, using a standard library is almost always easiest and most secure (...
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Fundamental difference between Hashing and Encryption algorithms

I see a lot of confusion between hashes and encryption algorithms and I would like to hear some more expert advice about: 1...
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Generating a random & unique 8 character string using MySQL

...nsists of two very different sub-problems: the string must be seemingly random the string must be unique While randomness is quite easily achieved, the uniqueness without a retry loop is not. This brings us to concentrate on the uniqueness first. Non-random uniqueness can trivially be achieved w...
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]

...gn account information for my users on my website, aka rapidshare username and passwords, etc... I want to keep information secure, but I know that if I hash their information, I can't retrieve it for later use. ...
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How to use OpenSSL to encrypt/decrypt files?

I want to crypt and decrypt one file using one password. 10 Answers 10 ...