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How to discard local changes in an SVN checkout?
I wanted to submit a diff for review, for an Open Source Project.
7 Answers
7
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Changing the child element's CSS when the parent is hovered
First of all, I'm assuming this is too complex for CSS3, but if there's a solution in there somewhere, I'd love to go with that instead.
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NerdTree - Reveal file in tree
...s there a shortcut which reveal the current file in the NerdTree directory panel.
5 Answers
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What are the Ruby Gotchas a newbie should be warned about? [closed]
I have recently learned the Ruby programming language, and all in all it is a good language. But I was quite surprised to see that it was not as simple as I had expected. More precisely, the "rule of least-surprise" did not seem very respected to me (of course this is quite subjective). For examp...
Overloading and overriding
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Overloading
Overloading is when you have multiple methods in the same scope, with the same name but different signatures.
//Overloading
public class test
{
public void getStuff(int id)
{}
public void getStuff(string name)
{}
}
Overriding
Overriding ...
“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p
...ng SVN, Maven 3.0.3 on the latest version of Jenkins and the Maven Release plugin. I'm trying to use the Maven release plugin (through Jenkins) do a dry run and so am executing the options …
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What's the difference between echo, print, and print_r in PHP?
I use echo and print_r much, and almost never use print .
11 Answers
11
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How to make an immutable object in Python?
...ve never needed this, it just struck me that making an immutable object in Python could be slightly tricky. You can't just override __setattr__ , because then you can't even set attributes in the __init__ . Subclassing a tuple is a trick that works:
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Extract substring using regexp in plain bash
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Using pure bash :
$ cat file.txt
US/Central - 10:26 PM (CST)
$ while read a b time x; do [[ $b == - ]] && echo $time; done < file.txt
another solution with bash regex :
$ [[ "US/Central - 10:26 PM (CST)" =~ -[[:space...
How to generate a random number in C++?
... generating symmetric keys, asymmetric private keys, salt values, security tokens, etc.
However security-grade random numbers is a separate industry worth a separate article.
In most cases Pseudo-Random Number Generator is sufficient - e.g. for scientific simulations or games. In some cases consiste...