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Set a default parameter value for a JavaScript function
...Alnitak: It's still possible to override undefined. So, it's still a good idea to use typeof and 'undefined'.
– L S
Jun 14 '17 at 20:27
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s...
Reducing Django Memory Usage. Low hanging fruit?
... in the latter.
The individual project's documentation should give you an idea of how to use these tools to analyze memory behavior of Python applications.
The following is a nice "war story" that also gives some helpful pointers:
Reducing the footprint of python applications
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Query for documents where array size is greater than 1
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I had no idea you could embed javascript in the query, json can be cumbersome. Many of these queries are one time only entered by hand so optimization is not required. I'll use this trick often +1
– pferrel
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Simulating group_concat MySQL function in Microsoft SQL Server 2005?
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No REAL easy way to do this. Lots of ideas out there, though.
Best one I've found:
SELECT table_name, LEFT(column_names , LEN(column_names )-1) AS column_names
FROM information_schema.columns AS extern
CROSS APPLY
(
SELECT column_name + ','
FROM inform...
Proper way to use **kwargs in Python
...arameters of which typically only a few are passed, it may be an excellent idea (avoiding accidents and unreadable code at your call sites!) to force the use of named arguments -- threading.Thread is an example. The first form is how you implement that in Python 2.
The idiom is so important that i...
jQuery AJAX submit form
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interesting idea, however, i do not control the server side I am calling, therefore I cannot send it serialized data
– Nathan H
Dec 25 '09 at 1:45
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How to toggle a value in Python
...; x
205
>>> x ^= t # toggle
>>> x
-117
(This idea was submitted by Nick Coghlan and later generalized by @zxxc.)
Solution using a dictionary
If the values are hashable, you can use a dictionary:
>>> A = 'xyz'
>>> B = 'pdq'
>>> d = {A:B, B:A...
How to place the ~/.composer/vendor/bin directory in your PATH?
...he possible ways, rebooted about 5 times an reloaded bashrc.. nothing. Any idea?
– nclsvh
Mar 8 '17 at 9:06
source ~/....
When and why to 'return false' in JavaScript?
...ons based on a namespace touch event. Don’t know why but you gave me the idea. Thanks.
– Garavani
Oct 2 '14 at 12:45
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jQuery: how to get which button was clicked upon form submission?
...d couldn't find one anywhere. I never thought of making one myself. Good idea!
– hawkexp
Apr 19 '11 at 20:33
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