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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
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40 Answers
40
Active
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Converting 'ArrayList to 'String[]' in Java
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List<String> list = ..;
String[] array = list.toArray(new String[0]);
For example:
List<String> list = new ArrayList<String>();
//add some stuff
list.add("android");
list.add("apple");
String[] stringArray = list.toArray(new String[0]);
The toArray() method without passing...
What's the best way to put a c-struct in an NSArray?
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+500
NSValue doesn't only support CoreGraphics structures – you can use it for your own too. I would recommend doing so, as the class is...
How to parse a query string into a NameValueCollection in .NET
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edited Mar 30 '15 at 13:11
Carl Onager
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Html.DropdownListFor selected value not being set
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RomiasRomias
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43
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Print current call stack from a method in Python code
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print(line.strip())
f()
# Prints:
# File "so-stack.py", line 10, in <module>
# f()
# File "so-stack.py", line 4, in f
# g()
# File "so-stack.py", line 7, in g
# for line in traceback.format_stack():
If you really only want to print the stack to stderr, you can use:
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Auto line-wrapping in SVG text
...bject/> element.
<svg ...>
<switch>
<foreignObject x="20" y="90" width="150" height="200">
<p xmlns="http://www.w3.org/1999/xhtml">Text goes here</p>
</foreignObject>
<text x="20" y="20">Your SVG viewer cannot display html.</text>
</switch>...
git: diff between file in local repo and origin
...ode-ApprenticeCode-Apprentice
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15
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Execute a command line binary with Node.js
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1096
For even newer version of Node.js (v8.1.4), the events and calls are similar or identical to o...
python generator “send” function purpose?
...gt;> next(gen) # run up to the first yield
>>> gen.send(10) # goes into 'x' variable
20
>>> next(gen) # run up to the next yield
>>> gen.send(6) # goes into 'x' again
12
>>> next(gen) # run up to the next yield
>>> gen.send(94....