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How to define hash tables in Bash?
...ecuting your script directly, or execute script with bash script. (Not actually executing a Bash script with Bash does happen, and will be really confusing!)
You declare an associative array by doing:
declare -A animals
You can fill it up with elements using the normal array assignment operator....
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 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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Performance of FOR vs FOREACH in PHP
First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
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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...
Find merge commit which include a specific commit
...1_for_c>..master --ancestry-path --merges
This will however also show all the merges that happened after h, and between e and g on feature.
Comparing the result of the following commands:
git rev-list <SHA-1_for_c>..master --ancestry-path
git rev-list <SHA-1_for_c>..master --fi...
Accessing a Dictionary.Keys Key through a numeric index
... For some the order is not relevant - just the fact that you went through all the keys.
– Royi Mindel
Dec 7 '16 at 9:15
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show 2 more comme...
Best practice for nested fragments in Android 4.0, 4.1 (
...previous fragment transaction has finished. And of course it was only naturally supported in 4.2 or the support library.
Nesting without ChildManager - Solution
Solution, Sure! I have been doing this for a long time now, (since the ViewPager was announced).
See below; This is a Fragment that defe...
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...
What's the recommended approach to resetting migration history using Django South?
...inted out by @thnee below. Since your
answer has so many upvotes I'd really appreciate it if you could edit
it and add at least a warning about this, or (even better) change it
to reflect @hobs approach (which is just as convenient, but doesn't
affect other apps) - thanks! – chris...