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combinations between two lists?

...aving trouble wrapping my head around a algorithm I’m try to make. Basically, I have two lists and want to get all the combinations of the two lists. ...
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Difference between java.util.Random and java.security.SecureRandom

... The standard Oracle JDK 7 implementation uses what's called a Linear Congruential Generator to produce random values in java.util.Random. Taken from java.util.Random source code (JDK 7u2), from a comment on the method protected int next(int bits), which is the one that genera...
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How many characters can UTF-8 encode?

... UTF-8 does not use one byte all the time, it's 1 to 4 bytes. The first 128 characters (US-ASCII) need one byte. The next 1,920 characters need two bytes to encode. This covers the remainder of almost all Latin alphabets, and also Greek, Cyrilli...
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How to remove local (untracked) files from the current Git working tree

...e not under version control, starting from the current directory. Normally, only files unknown to Git are removed, but if the -x option is specified, ignored files are also removed. This can, for example, be useful to remove all build products. If any optional <path>... arguments are...
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Really weird eclipse keyboard behavior/bug?

I am using Helios on Mac Snow Leopard. I don't know why but all of a sudden my arrow keys and delete button start not working only on Eclipse (so Eclipse ignores them) but the rest of the buttons works just fine. There is no exception/error thrown anywhere on the screen. I don't exactly know how to ...
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Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference

Given the following examples, why is outerScopeVar undefined in all cases? 6 Answers ...
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Disabling Strict Standards in PHP 5.4

...to this I was running my site on 5.3.8. Unfortunately, php 5.4 combines E_ALL and E_STRICT , which means that my previous setting for error_reporting does not work now. My previous value was E_ALL & ~E_NOTICE & ~E_STRICT Should I just enable values one at a time? ...
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Maven Modules + Building a Single Specific Module

...est practices here? Use the Maven advanced reactor options, more specifically: -pl, --projects Build specified reactor projects instead of all projects -am, --also-make If project list is specified, also build projects required by the list So just cd into the parent P directory ...
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Why do you not use C for your web apps?

...t a C program correct and secure. That care means that you need to have really good people writing your programs. That means you pay more. Also, C doesn't have the benefit of drawing from an enormous single standard library of functionality as .NET (and the other major web-centric platforms) ha...
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How can I convert a zero-terminated byte array to string?

....Read() can read into a [32]byte, but you don't know whether you've filled all 32 bytes or not. – Eric Lagergren Jan 2 '15 at 20:19 7 ...