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How to list all functions in a Python module?
...em the class you wish to see the documentation of. They can also generate, for instance, HTML output and write it to disk.
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Abort makefile if variable not set
...re going to test many variables, it's worth defining an auxiliary function for that:
# Check that given variables are set and all have non-empty values,
# die with an error otherwise.
#
# Params:
# 1. Variable name(s) to test.
# 2. (optional) Error message to print.
check_defined = \
$(stri...
How to shuffle a std::vector?
I am looking for a generic, reusable way to shuffle a std::vector in C++. This is how I currently do it, but I think it's not very efficient because it needs an intermediate array and it needs to know the item type (DeckCard in this example):
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How to use C++ in Go
...e makefile is no longer required. The unsafe.Pointer wrappers did not work for me. A slight modification compiled for me: play.golang.org/p/hKuKV51cRp go test should work without the makefile
– Drew
Jun 21 '15 at 21:00
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When to use enumerateObjectsUsingBlock vs. for
...er pattern you want to use and comes more naturally in the context.
While for(... in ...) is quite convenient and syntactically brief, enumerateObjectsUsingBlock: has a number of features that may or may not prove interesting:
enumerateObjectsUsingBlock: will be as fast or faster than fast enumer...
How do I use vimdiff to resolve a git merge conflict?
...tively
use z o while on a fold to open it, if you want to see more context
for each diff, as per @chepner's answer, you can either get the code from a local, remote or base version, or edit it and redo as you see fit
to get it from the local version, use :diffget LO
from remote: :diffget RE
from b...
How do I remove all .pyc files from a project?
... It's worth noting that pyclean appears to only delete .pyc files for which there is a corresponding .py file (at least on my system - ubuntu 12.10.) This means it's not very helpful in situations where a source file has been deleted and you want to clean up the leftover .pyc files.
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Is it considered bad practice to perform HTTP POST without entity body?
...t answer is: NO, it's not a bad practice (but I suggest reading the thread for more details).
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Which is faster: while(1) or while(2)?
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}
Even with no optimizations (-O0), the generated assembly was identical for both programs. Therefore, there is no speed difference between the two loops.
For reference, here is the generated assembly (using gcc main.c -S -masm=intel with an optimization flag):
With -O0:
.file "main.c"
....
How to get a variable name as a string in PHP?
...s to work so I've changed it to that.
function print_var_name($var) {
foreach($GLOBALS as $var_name => $value) {
if ($value === $var) {
return $var_name;
}
}
return false;
}
Edit: to be clear, there is no good way to do this in PHP, which is probably be...