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Remove duplicate lines without sorting [duplicate]
I have a utility script in Python:
8 Answers
8
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How can I recall the argument of the previous bash command?
...ment from previous command
!^ - first argument (after the program/built-in/script) from previous command
!! - previous command (often pronounced "bang bang")
!n - command number n from history
!pattern - most recent command matching pattern
!!:s/find/replace - last command, substitute find with repl...
Can I install Python 3.x and 2.x on the same Windows computer?
...rs into %SYSTEMROOT% (C:\Windows) which is then associated with py and pyw scripts, respectively.
In order to use the new launcher (without manually setting up your own associations to it), leave the "Register Extensions" option enabled. I'm not quite sure why, but on my machine it left Py 2.7 as ...
Why 0 is true but false is 1 in the shell?
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Bash is a programming (scripting) language, but it's also a shell and a user-interface. If 0 was error, then the program could only present one kind of error.
However in Bash, any nonzero value is an error, and we may use any number from 1-255 to...
How do you run NUnit tests from Jenkins?
...n't want to hardcode your unit test projects, you are better off writing a script to grab all of your Unit Test project dll's. We do it with Powershell and follow a specific convention for naming our Unit Testing Projects. Here is the content of the powershell file that runs our unit tests:
param(...
How do I find the install time and date of Windows?
...ables to answer the problem, but they are not complete.
Will you find a vb script that anyone can execute on his/her computer, with the expected result ?
systeminfo|find /i "original"
would give you the actual date... not the number of seconds ;)
As Sammy comments, find /i "install" gives more th...
How do I reference a javascript object property with a hyphen in it?
Using this script to make a style object of all the inherited etc styles.
11 Answers
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How do I pass multiple parameters into a function in PowerShell?
...own. There are others as well, but probably the most useful one is ValidateScript. This takes a script block that must evaluate to $true, so the sky is the limit. For example:
function Get-Something
{
Param
(
[Parameter(Mandatory=$true, Position=0)]
[ValidateScript({ Test-...
How exactly does __attribute__((constructor)) work?
...s/.dtors mechanism for example require support by system-rtl/loader/linker-script. This is far from certain to be available on all systems, for example deeply embedded systems where code executes on bare metal. I.e. even if __attribute__((constructor))/((destructor)) is supported by GCC, it's not ce...
Execute code when Django starts ONCE only?
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If your script is running twice you check out this answer: stackoverflow.com/a/28504072/5443056
– Braden Holt
Feb 21 '18 at 20:46
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