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What does java.lang.Thread.interrupt() do?
.... Then code running in that target thread MAY poll the interrupted status and handle it appropriately. Some methods that block such as Object.wait() may consume the interrupted status immediately and throw an appropriate exception (usually InterruptedException)
Interruption in Java is not pre-emp...
JavaScript check if variable exists (is defined/initialized)
... @George IV: "just do `if( variable ) " -- um, no, that fails for false and 0.
– Jason S
May 13 '09 at 15:53
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Is it bad practice to use Reflection in Unit testing? [duplicate]
...tests, it usually means the class in question has an unsuitable interface, and/or tries to do too much. So either its interface should be revised, or some code should be extracted into a separate class, where those problematic methods / field accessors can be made public.
Note that using Reflection...
Dump a NumPy array into a csv file
...there a way to dump a NumPy array into a CSV file? I have a 2D NumPy array and need to dump it in human-readable format.
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How to set a JavaScript breakpoint from code in Chrome?
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You can also use debug(function), to break when function is called.
Command Line API Reference: debug
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How do I get extra data from intent on Android?
... @MelColm what is the difference between getExtra().getString and getStringExtra()?
– Amit Tripathi
Feb 7 '15 at 14:46
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How to modify a text file?
I'm using Python, and would like to insert a string into a text file without deleting or copying the file. How can I do that?
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Groovy: what's the purpose of “def” in “def x = 0”?
...the "def" keyword puts the variable in the bindings for the current script and groovy treats it (mostly) like a globally scoped variable:
x = 1
assert x == 1
assert this.binding.getVariable("x") == 1
Using the def keyword instead does not put the variable in the scripts bindings:
def y = 2
asse...
How to generate a number of most distinctive colors in R?
I am plotting a categorical dataset and want to use distinctive colors to represent different categories. Given a number n , how can I get n number of MOST distinctive colors in R? Thanks.
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Big-oh vs big-theta [duplicate]
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Big-O is an upper bound.
Big-Theta is a tight bound, i.e. upper and lower bound.
When people only worry about what's the worst that can happen, big-O is sufficient; i.e. it says that "it can't get much worse than this". The tighter the bound the better, of course, but a tight bound isn't...