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Efficiently test if a port is open on Linux?
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@AmanJain cat waits for EOF or Ctrl-C to quit. You'll need to adjust this for your protocol. BTW are you running this to a remote server?
– Spencer Rathbun
Mar 7 '12 at 21:57
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Increase font size chrome console
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If you just need a quick, temporary size bump you can press Ctrl + / - to zoom and Ctrl 0 to reset.
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How can I add a string to the end of each line in Vim?
... the end of each of these lines:
On a character in the first line, press Ctrl-V (or Ctrl-Q if Ctrl-V
is paste).
Press jj to extend the visual block over three lines.
Press $ to extend the visual block to the end of each line. Press A
then space then type Hello world. + then Esc.
The result is: ...
What is meant by the term “hook” in programming?
...ge medium for PCs). You controlled the disks by printing the ASCII code 4 (CTRL-D) followed by the command you wanted to execute then a CR, and it was intercepted by the disk sub-system, which had hooked itself into the Apple ROM print routines.
So for example, the lines:
PRINT CHR(4);"CATALOG"
PR...
How to disable typing special characters when pressing option key in Mac OS X? [closed]
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Use Ctrl-Alt-<MNEMONIC>. IMHO much easier than having to install and configure a separate app.
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What is a vertical tab?
...ded in the program as a character constant. From the keyboard, it would be CTRL-K.
I don't believe anyone would have a reason to use it any more. Most forms are generated in a printer control language like postscript.
@Talvi Wilson noted it used in python '\v'.
print("hello\vworld")
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Set breakpoint in C or C++ code programmatically for gdb on Linux
...e see some of the other answers.
– Benjamin Crawford Ctrl-Alt-Tut
Nov 15 '19 at 20:52
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Pipe to/from the clipboard in Bash script
...thers). xclip -selection c will send data to the clipboard that works with Ctrl + C, Ctrl + V in most applications.
If you're on Mac OS X, there's pbcopy. e.g cat example.txt | pbcopy
If you're in Linux terminal mode (no X) then look into gpm or screen which has a clipboard. Try the screen comman...
How to add custom validation to an AngularJS form?
...is black-listed!</span>
then in your controller:
function ValidateCtrl($scope) {
$scope.blackList = ['bad@domain.com','verybad@domain.com'];
$scope.notBlackListed = function(value) {
return $scope.blackList.indexOf(value) === -1;
};
}
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
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Use Ctrl+V, Ctrl+M to enter a literal Carriage Return character into your grep string. So:
grep -IUr --color "^M"
will work - if the ^M there is a literal CR that you input as I suggested.
If you want the list of files, you want...