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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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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 "...
Completely cancel a rebase
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Checking if a SQL Server login already exists
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In order to hande naming conflict between logins, roles, users etc. you should check the type column according to Microsoft sys.database_principals documentation
In order to handle special chacters in usernames etc, use N'<na...
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 ...
Difference between Eclipse Europa, Helios, Galileo
...d how the names of the last three and the next release are in alphabetical order (Galileo, Helios, Indigo, Juno)? This is probably how they will go in the future, in the same way that Ubuntu release codenames increase alphabetically (note Indigo is not a moon of Jupiter!).
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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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Razor comment syntax
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Find the files that have been changed in last 24 hours
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