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How to convert object array to string array in Java
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answered Jun 19 '09 at 16:11
waxwingwaxwing
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How to make child process die after parent exits?
...arent dies by specifying option PR_SET_PDEATHSIG in prctl() syscall like this:
prctl(PR_SET_PDEATHSIG, SIGHUP);
See man 2 prctl for details.
Edit: This is Linux-only
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Abstract class in Java
What is an "abstract class" in Java?
14 Answers
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How to compare two colors for similarity/difference
...n a program that can help me assess between 5 pre-defined colors which one is more similar to a variable color, and with what percentage. The thing is that I don't know how to do that manually step by step. So it is even more difficult to think of a program.
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Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?
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Let's go in reverse order:
Log.e: This is for when bad stuff happens. Use this tag in places like inside a catch statement. You know that an error has occurred and therefore you're logging an error.
Log.w: Use this when you suspect something shady is going on. ...
What is the difference between encode/decode?
...e some non-text data in a unicode string for some reason -- see below). It is mainly there for historical reasons, i think. In Python 3 it is completely gone.
unicode().decode() will perform an implicit encoding of s using the default (ascii) codec. Verify this like so:
>>> s = u'ö'
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How can you dynamically create variables via a while loop? [duplicate]
...via a while loop in Python. Does anyone have any creative means of doing this?
8 Answers
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Is there a Public FTP server to test upload and download? [closed]
What I want to do is measure broadband speed using c#.
6 Answers
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XML parsing of a variable string in JavaScript
...ntains well-formed and valid XML. I need to use JavaScript code to parse this feed.
10 Answers
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Return type of '?:' (ternary conditional operator)
... value category.
A conditional expression can be an lvalue or an rvalue. This is its value category. (This is somewhat of a simplification, in C++11 we have lvalues, xvalues and prvalues.)
In very broad and simple terms, an lvalue refers to an object in memory and an rvalue is just a value that may ...