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Is there a decorator to simply cache function return values?
...
Starting from Python 3.2 there is a built-in decorator:
@functools.lru_cache(maxsize=100, typed=False)
Decorator to wrap a function with a memoizing callable that saves up to the maxsize most recent calls. It can save time when an ...
Fragment is not being replaced but put on top of the previous one
...em but my issue was that I was using two different Fragment managers:
One from getSupportFragmentManager() and one from getFragmentManager(). If I added one fragment with the SupportFragmentManager and then tried replacing the fragment with the FragmentManager, the fragment would just get added on ...
Making your .NET language step correctly in the debugger
... I am wrong, but it sounds like the only issue left is that when switching from PDBs to the .NET 4 dynamic compile symbol format some breakpoints are being missed.
We would probably need a repro to exactly diagnose the issue, however here are some notes that might help.
VS (2008+) can-to run as a...
How to find unused images in an Xcode project?
... if [ -z "$result" ]; then
echo "$i"
fi
done
# Ex: to remove from git
# for i in `./script/unused_images.sh`; do git rm "$i"; done
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Rounding up to next power of 2
...d. CPUs have an instruction to help this (actually already at that time?). From : jameshfisher.com/2018/03/30/round-up-power-2.html uint64_t next_pow2(uint64_t x) { return x == 1 ? 1 : 1<<(64-__builtin_clzl(x-1)); } And for 32 bit : uint32_t next_pow2(uint32_t x) { return x == 1 ? 1 : 1<&...
How to loop through file names returned by find?
... shell expansion in bash and as a result of that x=$(find . -name "*.txt") from the question is not recommended at all. If find gets a filename with spaces e.g. "the file.txt" you will get 2 separated strings for processing, if you process x in a loop. You can improve this by changing delimiter (bas...
How to add global ASP.Net Web Api Filters?
... Web API's is named ApiController) MVC filters and Web API filters inherit from different FilterAttribute classes (both share the same name in this case, but are separate classes which live in their respective namespaces).
Web API global filters are registered through the HttpConfiguration object a...
zsh compinit: insecure directories
... a solution, but do not mention why this warning occurs. Here's an excerpt from ZSH's compinit:
For security reasons compinit also checks if the completion system would use files not owned by root or by the current user, or files in directories that are world- or group-writable or that are not o...
Add custom messages in assert?
... arguments:
assert(("A must be equal to B", a == b));
(this was copied from above comments, for better visibility)
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“unary operator expected” error in Bash if condition
...the variable expansion and the variable is undefined or empty, it vanishes from the scene of the crime, leaving only
if [ = "and" ];
which is not a valid syntax. (It would also fail with a different error message if $aug1 included white space or shell metacharacters.)
The modern [[ operator has...