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How do I find out my MySQL URL, host, port and username?
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How to beautify JSON in Python?
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Etienne PerotEtienne Perot
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I want to delete all bin and obj folders to force all projects to rebuild everything
... xargs may split into multiple entries. If your shell supports them, -print0 and -0 will work around this short-coming, so the above examples become:
find . -iname "bin" -print0 | xargs -0 rm -rf
find . -iname "obj" -print0 | xargs -0 rm -rf
and:
find . -iname "bin" -o -iname "obj" -print0 | xar...
Which Eclipse version should I use for an Android app?
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103
Update July 2017:
From ADT Plugin page, the question must be unasked:
The Eclipse ADT plugin ...
When should I use double instead of decimal?
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310
I think you've summarised the advantages quite well. You are however missing one point. The deci...
Pinging servers in Python
...mmand = ['ping', param, '1', host]
return subprocess.call(command) == 0
Note that, according to @ikrase on Windows this function will still return True if you get a Destination Host Unreachable error.
Explanation
The command is ping in both Windows and Unix-like systems.
The option -n (Wind...
Creating an array of objects in Java
...e this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
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Make div stay at bottom of page's content all the time even when there are scrollbars
...ition: fixed was designed for:
#footer {
position: fixed;
bottom: 0;
width: 100%;
}
Here's the fiddle: http://jsfiddle.net/uw8f9/
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Why is `std::move` named `std::move`?
...eadable.
The history of move dates back to the original move proposal in 2002. This paper first introduces the rvalue reference, and then shows how to write a more efficient std::swap:
template <class T>
void
swap(T& a, T& b)
{
T tmp(static_cast<T&&>(a));
a = s...
Java: How to test methods that call System.exit()?
...quals("Exit status", 42, e.status);
}
}
}
Update December 2012:
Will proposes in the comments using System Rules, a collection of JUnit(4.9+) rules for testing code which uses java.lang.System.
This was initially mentioned by Stefan Birkner in his answer in December 2011.
System.ex...