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How to round an average to 2 decimal places in PostgreSQL?
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For those trying to find the comment by @Catcall : now it is Mike Sherrill 'Cat Recall'
– 18446744073709551615
Apr 7 '16 at 7:35
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Using Caps Lock as Esc in Mac OS X
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Edit: As described in this answer, newer versions of MacOS now have native support for rebinding Caps Lock to Escape. Thus it is no longer necessary to install third-party software to achieve this.
Here's my attempt at a comprehensive, visual walk-through answer (with links) of ho...
How to highlight and color gdb output during interactive debugging?
... set inferior-tty command. ex. from my .gdbinit set inferior-tty /dev/tty2 now your stdout will not mess up $gdb -tui.
– netskink
Jan 18 '16 at 0:02
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PowerShell: Run command from script's directory
... to the correct folder
Push-Location $folder
# do stuff, call ant, etc
# now back to previous directory
Pop-Location
There's probably other ways of achieving something similar using Invoke-Command as well.
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How can I reconcile detached HEAD with master/origin?
...dlink .git/HEAD. But symbolic links are not entirely portable, so they are now deprecated and symbolic refs (as described above) are used by default."
– Dmitry Minkovsky
Aug 2 '13 at 2:43
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How do I delete a fixed number of rows with sorting in PostgreSQL?
...g where id = any (array( select id from cs_logging where date_created < now() - interval '1 days' * 30 and partition_key like '%I' order by id limit 500 )) Slow one: delete from cs_logging where id in ( select id from cs_logging where date_created < now() - interval '1 days' * 30 and partition...
Read-only and non-computed variable properties in Swift
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Right now (Swift 3.0.1) Access Control Levels changed: "fileprivate" declaration can be accessed only by code in the same source file as the declaration”. "private" declaration can be accessed only by code within the declaration...
SQLAlchemy default DateTime
...key=True)
created_date = Column(DateTime, default=datetime.datetime.utcnow)
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iterating over each character of a String in ruby 1.8.6 (each_char)
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I haven't looked into it until now, but after Googling a bit, apparently it is mistakenly listed in the 1.8.6 docs but isn't available until 1.8.7.
– Jeremy Ruten
Sep 28 '09 at 1:06
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Split (explode) pandas dataframe string entry to separate rows
...1 var2 var3
0 [a, b, c] 1 XX
1 [d, e, f, x, y] 2 ZZ
Now we can do this:
In [181]: pd.DataFrame({
...: col:np.repeat(x[col].values, x[lst_col].str.len())
...: for col in x.columns.difference([lst_col])
...: }).assign(**{lst_col:np.concatenate(x[lst_col]....