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`if __name__ == '__main__'` equivalent in Ruby
...n't be surprised if there isn't really a good, clean way of doing this.
EDIT: Found it.
if __FILE__ == $0
foo()
bar()
end
But it's definitely not common.
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Multiple variables in a 'with' statement?
Is it possible to declare more than one variable using a with statement in Python?
6 Answers
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$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
...] contains the request method (surprise).
$_POST contains any post data.
It's possible for a POST request to contain no POST data.
I check the request method — I actually never thought about testing the $_POST array. I check the required post fields, though. So an empty post request would give ...
How to print a int64_t type in C
C99 standard has integer types with bytes size like int64_t. I am using the following code:
6 Answers
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Get Root Directory Path of a PHP project
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edited Jan 26 '19 at 21:20
Neuron
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How can I use “sizeof” in a preprocessor macro?
...; otherwise they will produce a compile-time error.
1. C11 way
Starting with C11 you can use static_assert (requires #include <assert.h>).
Usage:
static_assert(sizeof(someThing) == PAGE_SIZE, "Data structure doesn't match page size");
2. Custom macro
If you just want to get a compile-ti...
Extract traceback info from an exception object
Given an Exception object (of unknown origin) is there way to obtain its traceback? I have code like this:
5 Answers
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How do I get the full path to a Perl script that is executing?
...e to the current working directory if the script is at or below the CWD
Additionally, cwd(), getcwd() and abs_path() are provided by the Cwd module and tell you where the script is being run from
The module FindBin provides the $Bin & $RealBin variables that usually are the path to the executing...
Django filter queryset __in for *every* item in list
...c and sgallen in the comments, to add .filter() for each category. Each additional filter adds more joins, which should not be a problem for small set of categories.
There is the aggregation approach. This query would be shorter and perhaps quicker for a large set of categories.
You also have the ...
How to find where a method is defined at runtime?
We recently had a problem where, after a series of commits had occurred, a backend process failed to run. Now, we were good little boys and girls and ran rake test after every check-in but, due to some oddities in Rails' library loading, it only occurred when we ran it directly from Mongrel in pro...