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Why should hash functions use a prime number modulus?
...same modulo k, at least until the integer type overflows.
[As an example, Java's string hashCode is eerily similar to this - it does the characters reverse order, with k=31. So you get striking relationships modulo 31 between strings that end the same way, and striking relationships modulo 2^32 bet...
Unit Testing bash scripts
We have a system that has some bash scripts running besides Java code. Since we are trying to Test Everything That Could Possibly Break, and those bash scripts may break, we want to test them.
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How do I use spaces in the Command Prompt?
...olumn, e.g. PROGRA~1 or DEFAUL~1.XML, in your commands. For instance:
set JAVA_HOME=c:\PROGRA~1\Java\jdk1.6.0_45
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POST request via RestTemplate in JSON
... Can Spring use the message converters to automatically convert the Java Object to json like it did in Restful API with RestTemplate?
– fall
Aug 10 '17 at 10:21
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LLVM C++ IDE for Windows
...our blog. clang is not for ada or fortran: "For other languages, including Java, Fortran and Ada, LLVM remains dependent on GCC"
– osgx
May 12 '11 at 14:19
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Map implementation with duplicate keys
...single object into the map, but you retrieve a collection.
If you can use Java 5, I would prefer Guava's Multimap as it is generics-aware.
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App Inventor 2 软件著作权（软著）申请指南 · App Inventor 2 中文网
... Inventor 2 如何申请软著？
一般的软件比如使用Java开发，源码中准备的就是 .java 代码，但是 App Inventor 没有具体的代码怎么办？不要紧，将 .aia 导出后，用压缩软件打开 aia 源码，在 src 目录下有几个真正的源码文件，...
Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
...r example, Scala's StringOps (basically a class of "extension methods" for Java's String) has a method parition(Char => Boolean): (String, String) (takes in predicate, returns tuple of 2 strings). It's obvious what the output is (obviously one is going to be the characters for which the predicate...
What is the difference in maven between dependency and plugin tags in pom xml?
...cuting the tasks.
For example, you use a compiler-plugin to compile the java files. You can't use compiler-plugin as a dependency since that will only add the plugin to the classpath, and will not trigger any compilation. The Jar files to be added to the classpath while compiling the file, will b...
Base 64 encode and decode example code
...oliobuilder: Absolutely not. UTF-8 is guaranteed to be a valid encoding in Java: see docs.oracle.com/javase/8/docs/api/java/nio/charset/Charset.html. Admittedly these days I'd specify StandardCharsets.UTF_8 instead. I've updated the answer to specify that you should be confident in the presence of t...