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Input widths on Bootstrap 3
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edited Nov 5 '14 at 15:56
TMB
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Append text to input field
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edited Oct 11 '18 at 8:04
Dream Hunter - hashADH
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Shortcut to comment out a block of code with sublime text
...rl+/
Mac: Command ⌘+/
Linux: Ctrl+Shift+/
Alternatively, use the menu: Edit > Comment
For the block comment you may want to use:
Windows: Ctrl+Shift+/
Mac: Command ⌘+Option/Alt+/
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Function in JavaScript that can be called only once
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edited Feb 7 '19 at 20:51
answered Oct 3 '12 at 17:20
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How to delete a record in Django models?
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edited Aug 12 '19 at 18:03
answered Jul 26 '18 at 8:39
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iPhone UIButton - image position
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edited Feb 8 '13 at 14:11
answered Feb 5 '13 at 14:37
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How to disable code formatting for some part of the code using comments?
...ormatter:off
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// @formatter:on
IntelliJ IDEA v.14+:
Preferences > Editor > Code Style > Formatter Control
IntelliJ IDEA v.2016+:
Preferences > Editor > Code Style
IntelliJ IDEA v.2018+:
File > Settings > Editor > Code Style
You can change the formatter control mark...
Can an ASP.NET MVC controller return an Image?
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edited Jul 22 '16 at 16:17
Ray Cheng
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How can I validate a string to only allow alphanumeric characters in it?
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edited Jan 30 '19 at 7:06
Akshay Khot
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How to create a bash script to check the SSH connection?
... user@downhost exit
$ echo $?
255
$ ssh -q user@uphost exit
$ echo $?
0
EDIT: Another approach would be to use nmap (you won't need to have keys or login-stuff):
$ a=`nmap uphost -PN -p ssh | grep open`
$ b=`nmap downhost -PN -p ssh | grep open`
$ echo $a
22/tcp open ssh
$ echo $b
(empty string...