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IN vs OR in the SQL WHERE Clause
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I assume you want to know the performance difference between the following:
WHERE foo IN ('a', 'b', 'c')
WHERE foo = 'a' OR foo = 'b' OR foo = 'c'
According to the manual for MySQL if the values are constant IN sorts the list and then uses a binary search. I would imagine that OR evaluates t...
erb, haml or slim: which one do you suggest? And why? [closed]
...d decide which looks better in you eyes. I don't think there is a definite winner between those two (HAML/SLIM).
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Input widths on Bootstrap 3
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This wins by far on the answers. It's clean, reusable, and just works. In fact, it should be put in bootstrap by default as this is a very common annoyance. Very rarely do you want pure block forms.
– baweave...
How can I programmatically generate keypress events in C#?
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The question is tagged WPF but the answers so far are specific WinForms and Win32.
To do this in WPF, simply construct a KeyEventArgs and call RaiseEvent on the target. For example, to send an Insert key KeyDown event to the currently focused element:
var key = Key.Insert; ...
What is the difference between a symbolic link and a hard link?
... I'm mad this is buried so deeply in this post. I would give you a hundred internet points but sadly I can only give you one.
– Dagrooms
Aug 31 '17 at 19:06
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python setup.py uninstall
...rgs to do the removal:
xargs rm -rf < files.txt
Or if you're running Windows, use Powershell:
Get-Content files.txt | ForEach-Object {Remove-Item $_ -Recurse -Force}
Then delete also the containing directory, e.g. /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packag...
Undo git reset --hard with uncommitted files in the staging area
...t didn't actually create the .git/lost-found directory. However, the following steps worked for me:
git fsck --cache --unreachable $(git for-each-ref --format="%(objectname)")
That should output all objects in the object database that aren't reachable by any ref, in the index, or via the reflog....
HTML5shiv vs Dean Edwards IE7-js vs Modernizr - which to choose?
...ard that jQuery won but for now there's no telling which one of these will win this particular fight. I don't think I could recommend dean edwards ie7-js as it mostly deals with just getting IE7 to act like other more intelligent and likable browsers as opposed to leveraging the whole HTML5 thing as...
RESTful Alternatives to DELETE Request Body
...inition is a sure-fire way to randomly lose data as your bits traverse the internet pipes, and you'll have a very difficult time debugging it.
– Nicholas Shanks
Sep 10 '14 at 9:25
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How can I obtain the element-wise logical NOT of a pandas Series?
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it may not be correct on a different platform. Win 7, python 3.6.3 numpy 1.13.3, pandas 0.20.3, (-s) will be the fastest, (~s) is the second, and np.invert(s) is the slowest one
– gaozhidf
Apr 8 '18 at 1:25
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