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Generating all permutations of a given string
What is an elegant way to find all the permutations of a string. E.g. permutation for ba , would be ba and ab , but what about longer string such as abcdefgh ? Is there any Java implementation example?
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How do I get IntelliJ IDEA to display directories?
...lliJ IDEA for JavaScript editing, and I like it so far, but I'm having a small problem with a new project.
15 Answers
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Naming convention for Scala constants?
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The officially recommended style (and I do mean officially) is the first style, camel case with first letter are upper case. It's laid down clearly by Odersky on Programming in Scala.
The style is also followed by the standard library...
Developing C# on Linux
... is runnable on top of .Net framework. So as long as it is possible to install .Net framework in OS it can run the application. You got to aware of the version though ;)
– Shiham
Jun 26 '12 at 8:32
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C pointers : pointing to an array of fixed size
...proficiency with C language.
When the specifics of your application area call for an array of specific fixed size (array size is a compile-time constant), the only proper way to pass such an array to a function is by using a pointer-to-array parameter
void foo(char (*p)[10]);
(in C++ language th...
How can I make an svg scale with its parent container?
...the element should have a width of 100%, but a height of 50px, it will actually only scale up to the height of 50px (unless you have a very narrow window):
<svg width="100%" height="50px" viewBox="0 0 20 10">
<polygon fill=red stroke-width=0
points="0,10 20,10 10,0" />...
How to change language settings in R
... of the abbreviations can be found here.
Sys.getenv() gives you a list of all the environment variables that are set.
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What is path of JDK on Mac ? [duplicate]
...k and I need to set JAVA_HOME to proper path of JDK. I downloaded JDK, installed it and now I can't find it anywhere. I was looking at the internet for the solution, but there is no folder Libraries/Java.
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Loop code for each file in a directory [duplicate]
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Is the $files variable used to avoid calling scandir() more than once in the foreach loop? Or can I embed it directly without any side effects?
– Zero3
May 10 '15 at 15:57
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A non well formed numeric value encountered
...atetime description into a Unix timestamp (integer):
date("d", strtotime($_GET['start_date']));
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