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Event system in Python
...2.1.2: 2017
axel 0.0.7: 2016
blinker 1.4: 2015
PyDispatcher 2.0.5: 2015
pymitter 0.2.3: 2014
dispatcher 1.0: 2012
py-notify 0.3.1: 2008
There's more
That's a lot of libraries to choose from, using very different terminology (events, signals, handlers, method dispatch, hooks, ...).
I'm trying to kee...
Convert sqlalchemy row object to python dict
Is there a simple way to iterate over column name and value pairs?
36 Answers
36
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Count number of records returned by group by
...
This down side of this solution is that it gives you the answer multiple times (for each combination of column_1, column_2, column_3, column_4). This may or may not be a significant side-effect, depending on how you process the results.
– car...
Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
I want to create a C macro that creates a function with a name based
on the line number.
I thought I could do something like (the real function would have statements within the braces):
...
What does $_ mean in PowerShell?
I've seen the following a lot in PowerShell, but what does it do exactly?
6 Answers
6
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Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
... says that using keyword block and setting the variable to nil after using it inside the block should be ok, but it still shows the warning.
__block ASIHTTPRequest *request = [[ASIHTTPRequest alloc] initWithURL:...
[request setCompletionBlock:^{
NSDictionary *jsonDictionary = [[CJSONDeserializ...
How to check version of python modules?
I just installed the python modules: construct and statlib with setuptools like this:
25 Answers
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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__ == $0
foo()
bar()
end
But it's definitely not common.
share
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improve this answer
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Multiple variables in a 'with' statement?
Is it possible to declare more than one variable using a with statement in Python?
6 Answers
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$_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 ...