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What should Xcode 6 gitignore file include?
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SQL to find the number of distinct values in a column
...quency:
SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name ORDER BY 2 DESC;
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Timer function to provide time in nano seconds using C++
... In fact, you have to use CLOCK_MONOTONIC_RAW, if it is available, in order to get hardware time not adjusted by NTP.
– user405725
Mar 1 '12 at 0:51
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Razor comment syntax
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Find the files that have been changed in last 24 hours
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How to parse a string into a nullable int
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There is no order-of-evaluation side-effect here. All steps are explicitly ordered and correct.
– Jon Hanna
Mar 22 '11 at 14:30
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Why do we use Base64?
...y want to communicate with more rich forms data such as text or images. In order to transfer this data between computers it first has to be encoded into 0s and 1s, sent, then decoded again. To take text as an example - there are many different ways to perform this encoding. It would be much simpler ...
Get Image size WITHOUT loading image into memory
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This is a wrapper around libmagic which read as few bytes as possible in order to identify a file type signature.
Relevant version of script:
https://raw.githubusercontent.com/scardine/image_size/master/get_image_size.py
[update]
Hmmm, unfortunately, when applied to jpegs, the above gives "...
How to filter rows in pandas by regex
...explain the difference between match, fullmatch and contains.
Note that in order to use the results for indexing, set the na=False argument (or True if you want to include NANs in the results).
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Loading and parsing a JSON file with multiple JSON objects
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