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Test if a variable is a list or tuple
... certain type of object, it's that you artificially restrict your function from doing the right thing with unexpected object types that would otherwise do the right thing. If you have a final fallback that is not type-checked, you remove this restriction. It should be noted that too much type chec...
What is the equivalent of MATLAB's repmat in NumPy
...n the direction of columns, rows and out-of-plane dimension are being read from right to left. The resulting object has a different shape from Matlab. One can no longer assert that repmat and tile are equivalent instructions.
In order to get tile to behave like repmat, in Python one has to make s...
How to assign the output of a command to a Makefile variable
...gnment in an eval is working for me.
# dependency on .PHONY prevents Make from
# thinking there's `nothing to be done`
set_opts: .PHONY
$(eval DOCKER_OPTS = -v $(shell mktemp -d -p /scratch):/output)
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Python list subtraction operation
...] gives [1,1] So it is not really list substraction, it is more like "List from List X without elements from set Y".
– Alfred Zien
Feb 6 '16 at 10:25
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Windows XP or later Windows: How can I run a batch file in the background with no window displayed?
...u can use start /b second.bat to launch a second batch file asynchronously from your first that shares your first one's window. If both batch files write to the console simultaneously, the output will be overlapped and probably indecipherable. Also, you'll want to put an exit command at the end of...
Unzip files programmatically in .net
...e to use external libraries to uncompress zip files, you could use Shell32 from System32. Please see stackoverflow.com/a/43066281/948694
– arturn
Mar 28 '17 at 9:58
add a comm...
Why do we need Abstract factory design pattern?
...ery one of the linked answers; so this list is NOT a representative sample from the SO community.
– jaco0646
Jul 16 '16 at 14:24
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Using a constant NSString as the key for NSUserDefaults
...se constants should be defined as static if they are only going to be used from within a single file. I say this because I have run across this problem myself: if you do not declare them as static, then they will exist in the global namespace, and you will not be able to use a variable with the same...
What's the difference between git reset --mixed, --soft, and --hard?
...aster (and thus HEAD) now points to B, but the index still has the changes from C; git status will show them as staged. So if we run git commit at this point, we'll get a new commit with the same changes as C.
Okay, so starting from here again:
- A - B - C (master)
Now let's do git reset --mix...
How do I get the directory from a file's full path?
What is the simplest way to get the directory that a file is in? I'm using this to set a working directory.
12 Answers
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