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Cost of exception handlers in Python
...suggested replacing a (very cheap) if statement in Python code with a try/except block to improve performance.
3 Answers
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Python requests - print entire http request (raw)?
...ded the PreparedRequest object. As per the documentation "it contains the exact bytes that will be sent to the server".
One can use this to pretty print a request, like so:
import requests
req = requests.Request('POST','http://stackoverflow.com',headers={'X-Custom':'Test'},data='a=1&b=2')
pre...
Is there a way to access an iteration-counter in Java's for-each loop?
... a collection at all, and may in fact be something not at all based on indexes (such as a linked list).
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PHP function to make slug (URL string)
...ead of a lengthy replace, try this one:
public static function slugify($text)
{
// replace non letter or digits by -
$text = preg_replace('~[^\pL\d]+~u', '-', $text);
// transliterate
$text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
// remove unwanted characters
$text = preg_repla...
Should I use an exception specifier in C++?
In C++, you can specify that a function may or may not throw an exception by using an exception specifier. For example:
14 ...
Clear form field after select for jQuery UI Autocomplete
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It did fix it. I tried to accept, but it told me I couldn't for 7 more minutes. Accepted. Thanks.
– Jon F Hancock
Apr 1 '10 at 16:42
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git push says “everything up-to-date” even though I have local changes
...commit that is not at the tip of one of your branches.
The most obvious example is to check out the commit at a tagged official release point, like this:
$ git checkout v2.6.18
Earlier versions of git did not allow this and asked you to create a temporary branch using the -b option, but sta...
How to check BLAS/LAPACK linkage in NumPy and SciPy?
...t; import numpy as np
>>> np.show_config()
lapack_opt_info:
extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
extra_compile_args = ['-msse3']
define_macros = [('NO_ATLAS_INFO', 3)]
blas_opt_info:
extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
extra_compile_...
INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
...olumns would need to be updated to the new values if a unique key already existed. It goes something like this:
2 Answers
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