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PostgreSQL LIKE query performance variations
...text indexes is not for the LIKE operator at all, it has its own operators and doesn't work for arbitrary strings. It operates on words based on dictionaries and stemming. It does support prefix matching for words, but not with the LIKE operator:
Get partial match from GIN indexed TSVECTOR column
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UIButton Image + Text IOS
...nterface Builder, there is a very easy way to do this:
Select the button and set a title and an image. Note that if you set the background instead of the image then the image will be resized if it is smaller than the button.
Set the position of both items by changing the edge and insets. You could...
How to save all the variables in the current python session?
...s()[key]
except TypeError:
#
# __builtins__, my_shelf, and imported modules can not be shelved.
#
print('ERROR shelving: {0}'.format(key))
my_shelf.close()
To restore:
my_shelf = shelve.open(filename)
for key in my_shelf:
globals()[key]=my_shelf[key]
my_she...
How to get first element in a list of tuples?
I have a list like below where the first element is the id and the other is a string:
12 Answers
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Python: Get relative path from comparing two absolute paths
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os.path.commonprefix() and os.path.relpath() are your friends:
>>> print os.path.commonprefix(['/usr/var/log', '/usr/var/security'])
'/usr/var'
>>> print os.path.commonprefix(['/tmp', '/usr/var']) # No common prefix: the root is...
A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
... It took them 8 major versions to implement something this basic and useful? Wish I could down-vote Java for this.
– Max Heiber
Feb 5 '16 at 20:15
1
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How to add an empty column to a dataframe?
What's the easiest way to add an empty column to a pandas DataFrame object? The best I've stumbled upon is something like
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Comparing date ranges
In MySQL, If I have a list of date ranges (range-start and range-end). e.g.
10 Answers
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How do you increase the max number of concurrent connections in Apache?
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Here's a detailed explanation about the calculation of MaxClients and MaxRequestsPerChild
http://web.archive.org/web/20160415001028/http://www.genericarticles.com/mediawiki/index.php?title=How_to_optimize_apache_web_server_for_maximum_concurrent_connections_or_increase_max_clients_in_apach...
How to remove/change JQuery UI Autocomplete Helper text?
...eature in JQuery UI 1.9.0, because I used JQuery UI plenty of times before and this text never poped up.
10 Answers
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