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PostgreSQL return result set as JSON array?
...e result looks like this:
[{"a":1,"b":"value1"},{"a":2,"b":"value2"},{"a":3,"b":"value3"}]
9.3 and up
The json_agg function produces this result out of the box. It automatically figures out how to convert its input into JSON and aggregates it into an array.
SELECT json_agg(t) FROM t
There is ...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...n or darken a hex color by a specific amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
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How to simulate Server.Transfer in ASP.NET MVC?
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130
How about a TransferResult class? (based on Stans answer)
/// <summary>
/// Transfers ex...
How do I retrieve the number of columns in a Pandas data frame?
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312
Like so:
import pandas as pd
df = pd.DataFrame({"pear": [1,2,3], "apple": [2,3,4], "orange": ...
Adding asterisk to required fields in Bootstrap 3
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edited Apr 23 '14 at 10:40
answered Apr 17 '14 at 19:36
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Sorting multiple keys with Unix sort
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Ken GentleKen Gentle
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How do you get a directory listing sorted by creation date in python?
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Update: to sort dirpath's entries by modification date in Python 3:
import os
from pathlib import Path
paths = sorted(Path(dirpath).iterdir(), key=os.path.getmtime)
(put @Pygirl's answer here for greater visibility)
If you already have a list of filenames files, then to sort it inplac...
How do I get jQuery autocompletion in TypeScript?
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How to detect READ_COMMITTED_SNAPSHOT is enabled?
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