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Environment variables for java installation
...r-unique-entries does not contain any other references to another Java installation folder.
Note for Windows users on 64-bit systems:
Progra~1 = 'Program Files'
Progra~2 = 'Program Files(x86)'
Notice that these environment variables are derived from the "root" environment variable JAVA_HOME...
How do I write output in same place on the console?
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I also had to add a call to sys.stdout.flush() so the cursor didn't bounce around
– scottm
Feb 5 '09 at 19:40
20
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How do I unload (reload) a Python module?
.... When targeting 3 or later, either reference the appropriate module when calling reload or import it.
I think that this is what you want. Web servers like Django's development server use this so that you can see the effects of your code changes without restarting the server process itself.
To quo...
How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?
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This calls is_dir twice for each recursed directory. If the argument is a symlink, it also follows it instead of deleting the symlink, which might or might not be what you want. In any case, it's not what rm -rf does.
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os.walk without digging into directories below
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Does this function actually "walk" through the whole structure and then delete the entries below a certain point? Or is something more clever going on? I'm not even sure how to check this with code. --python beginner
– mathtic...
In C, do braces act as a stack frame?
...'t have to generate code that pushes/pops anything on entry/exit (and generally, they don't).
Also note that local variables may not use any stack space at all: they could be held in CPU registers or in some other auxiliary storage location, or be optimized away entirely.
So, the d array, in theor...
Preserving order with LINQ
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Actually, I think Distinct preserves original (first found) order - so {1,2,1,3,1,3,4,1,5} would be {1,2,3,4,5}
– Marc Gravell♦
Oct 15 '08 at 14:33
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Merge two Git repositories without breaking file history
...ose instructions mostly works, except that when I commit the subtree merge all of the files from the old repositories are recorded as new added files. I can see the commit history from the old repositories when I do git log , but if I do git log <file> it shows only one commit for that fil...
Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
...eation of a new web
page resource, the updating of the existing page, or all of the
mentioned outcomes.
The keyword dialog, mapping to the state dialog, indicating that
submitting the form is intended to close the dialog box in which the
form finds itself, if any, and otherwise not subm...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
... access to the object happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (...