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How to use a switch case 'or' in PHP
...le switch(), and when I'm working in a C-ish language I really miss having Select Case, which is really a shorthand way of saying "there's a big block of if, else if, else-if... here".
– Stan Rogers
Oct 9 '10 at 7:50
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Favorite (Clever) Defensive Programming Best Practices [closed]
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SQL
When I have to delete data, I write
select *
--delete
From mytable
Where ...
When I run it, I will know if I forgot or botched the where clause. I have a safety. If everything is fine, I highlight everything after the '--' comment tokens, and run...
rbenv not changing ruby version
...ving with YUM in Centos 7, only after that I could see the correct version selected in rbenv
– Joe Walker
Jun 16 '16 at 22:26
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PHP array delete by value (not key)
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Yes, this is effective for selecting multiple array items/keys.
– Oki Erie Rinaldi
Aug 28 '14 at 4:52
3
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How to use ADB Shell when Multiple Devices are connected? Fails with “error: more than one device an
...showing a menu when there are multiple devices connected:
$ adb $(android-select-device) shell
1) 02783201431feeee device 3) emulator-5554
2) 3832380FA5F30000 device 4) emulator-5556
Select the device to use, <Q> to quit:
To avoid typing you can just create an alias that included the device...
How can I remove an SSH key?
...gether.
Go to System --> Preferences --> Startup Applications, and unselect the "SSH Key Agent (Gnome Keyring SSH Agent)" box -- you'll need to scroll down to find it.
You'll still get an ssh-agent, only now it will behave sanely: no keys autoloaded, you run ssh-add to add them, and if you w...
How can I update my ADT in Eclipse?
... to 23.0 or to 23.0.2 getting dependency issue when trying to Click (after selecting the developer tools and selecting the Same path https:// as above)
– user285oo6
Aug 18 '14 at 6:31
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Detecting Browser Autofill
...e change event.
Firefox 4 does dispatch the change change event when users select a value from a list of suggestions and tab out of the field.
Chrome 9 does not dispatch the change event.
Safari 5 does dispatch the change event.
You best options are to either disable autocomplete for a form usin...
CSS selector by inline style attribute
Is there a CSS selector to select this element by its inline style attribute value?
2 Answers
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Pandas every nth row
...] # Excludes every 3rd row starting from 0
df2 = df[df.index % 3 == 0] # Selects every 3rd raw starting from 0
This arithmetic based sampling has the ability to enable even more complex row-selections.
This assumes, of course, that you have an index column of ordered, consecutive, integers star...