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Broken references in Virtualenvs
...re is one example:
$ ls -la ~/.virtualenvs/my-virtual-env
...
lrwxr-xr-x 1 ryan staff 78 Jun 25 13:21 .Python -> /usr/local/Cellar/python/2.7.7/Frameworks/Python.framework/Versions/2.7/Python
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When you upgrade Python using Homebrew and then run brew cleanup, the symlinks in the virtualen...
Randomize a List
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1169
Shuffle any (I)List with an extension method based on the Fisher-Yates shuffle:
private stat...
How do I convert a float number to a whole number in JavaScript?
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15 Answers
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How to round an average to 2 decimal places in PostgreSQL?
...ision is only available for numeric.
regress=> SELECT round( float8 '3.1415927', 2 );
ERROR: function round(double precision, integer) does not exist
regress=> \df *round*
List of functions
Schema | Name | Result data type | Argument data types | Type
--...
Postgresql GROUP_CONCAT equivalent?
...starting point (version 8.4+ only):
SELECT id_field, array_agg(value_field1), array_agg(value_field2)
FROM data_table
GROUP BY id_field
array_agg returns an array, but you can CAST that to text and edit as needed (see clarifications, below).
Prior to version 8.4, you have to define it yourself p...
How do you tell if a string contains another string in POSIX sh?
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11 Answers
11
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Find out if ListView is scrolled to the bottom?
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171
Edited:
Since I have been investigating in this particular subject in one of my applications,...
How to hash some string with sha256 in Java?
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15 Answers
15
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Solving a “communications link failure” with JDBC and MySQL [duplicate]
...ddress" attribute or change it to one of the following IPs:
bind-address="127.0.0.1"
or
bind-address="0.0.0.0"
commenting out "skip-networking"
If there is a "skip-networking" line in your MySQL config file, make it comment by adding "#" sign at the beginning of that line.
change "wait_time...
JavaScript curry: what are the practical applications?
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15 Answers
15
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