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How to name and retrieve a stash by name in git?
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Postgres: INSERT if does not exist already
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Postgres 9.5 (released since 2016-01-07) offers an "upsert" command, also known as an ON CONFLICT clause to INSERT:
INSERT ... ON CONFLICT DO NOTHING/UPDATE
It solves many of the subtle problems you can run into when using concurrent operation, which some other answers propose.
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Can I use CASE statement in a JOIN condition?
...END = 1
Note that you need to do something with the returned value, e.g. compare it to 1. Your statement attempted to return the value of an assignment or test for equality, neither of which make sense in the context of a CASE/THEN clause. (If BOOLEAN was a datatype then the test for equality wo...
Get current AUTO_INCREMENT value for any table
... Note: DATABASE() is NULL if you have not issued a USE DATABASE command
– methai
Apr 5 '13 at 14:13
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How to scale an Image in ImageView to keep the aspect ratio
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edited Jun 20 at 9:12
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answered Mar 26 '10 at 15:07
Steve HaleySteve Ha...
How to convert an NSTimeInterval (seconds) into minutes
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Mick MacCallum's answer below at the time of writing this comment seems to be most updated and made by the way of using native API.
– Tomasz Nazarenko
Feb 25 '17 at 8:53
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Measuring elapsed time with the Time module
...nged, and may not have subsecond resolution. Correct answer: stackoverflow.com/a/47637891/476716
– OrangeDog
Dec 4 '17 at 16:44
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Rank items in an array using Python/NumPy, without sorting array twice
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any recommendation on how to do this rowwise?
– Xaser
Nov 19 '17 at 14:09
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Delimiters in MySQL
...al statements inside.
Note that the DELIMITER keyword is a function of the command line mysql client (and some other clients) only and not a regular MySQL language feature. It won't work if you tried to pass it through a programming language API to MySQL. Some other clients like PHPMyAdmin have ot...
How to copy a file to a remote server in Python using SCP or SSH?
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You can call the scp bash command (it copies files over SSH) with subprocess.run:
import subprocess
subprocess.run(["scp", FILE, "USER@SERVER:PATH"])
#e.g. subprocess.run(["scp", "foo.bar", "joe@srvr.net:/path/to/foo.bar"])
If you're creating the f...