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Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
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I was stuck after I uninstalled rvm with
rvm implode
then after reinstalling rvm it received the same error message.
After looking through wayne seguin's git hub page. He lists tools on his page and recommended using
rvm reset
after an inst...
How are software license keys generated?
... honest, this strikes me as (in)Security Through Obscurity , although I really have no idea how license keys are generated. What is a good (secure) example of license key generation? What cryptographic primitive (if any) are they using? Is it a message digest? If so, what data would they be hashing...
How to use “not” in xpath?
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is there a way to say grab all the <p> tags but not the <a> tag inside them? imagine something like <p>text text<a class="x">TEXT</a>text text</p> . i want all the text in p but not the TEXT in a. is that possible wi...
List of Java processes
How can I list all Java processes in bash?
I need an command line. I know there is command ps but I don't know what parameters I need to use.
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Unix - copy contents of one directory to another [closed]
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You just lost all your hidden files. Don't do this. Do "cp -rT src dest" on Linux, or "cp -R src/ dest" on BSD.
– xpusostomos
Aug 5 at 10:57
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Avoiding recursion when reading/writing a port synchronously?
All port operations in Rebol 3 are asynchronous. The only way I can find to do synchronous communication is calling wait .
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How to resolve the C:\fakepath?
...nt the server to know your local machine's filesystem. It would be nice if all browsers did this.
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Reading a resource file from within jar
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I had this problem before and I made fallback way for loading. Basically first way work within .jar file and second way works within eclipse or other IDE.
public class MyClass {
public static InputStream accessFile() {
String resource = "my-file-loc...
How to remove multiple deleted files in Git repository
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git add -u
updates all your changes
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How to sum up an array of integers in C#
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int sum = arr.AsParallel().Sum(); a faster version that uses multiple cores of the CPU. To avoid System.OverflowException you can use long sum = arr.AsParallel().Sum(x => (long)x); For even faster versions that avoid overflow exception and s...