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How to create an object for a Django model with a many to many field?
...()
sample_id = sample_object.id
sample_object.users.through.objects.create(user_id=1, sample_id=sample_id)
sample_object.users.through.objects.create(user_id=2, sample_id=sample_id)
This will work because we already know that the 'users' list is empty, so we can create mindlessly.
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Split output of command by columns using Bash?
...ay is to add a pass of tr to squeeze any repeated field separators out:
$ ps | egrep 11383 | tr -s ' ' | cut -d ' ' -f 4
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Removing path and extension from filename in powershell
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There's a handy .NET method for that:
C:\PS> [io.path]::GetFileNameWithoutExtension("c:\temp\myfile.txt")
myfile
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How does one remove an image in Docker?
.... That should work.
Seeing all created containers is as simple as docker ps -a.
To remove all existing containers (not images!) run docker rm $(docker ps -aq)
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How to get the process ID to kill a nohup process?
...f you need to force kill). Alternatively, you can find the PID later on by ps -ef | grep "command name" and locate the PID from there. Note that nohup keyword/command itself does not appear in the ps output for the command in question.
If you use a script, you could do something like this in the scr...
powershell - extract file name and extension
...isk and as others have stated, use the BaseName and Extension properties:
PS C:\> dir *.xlsx | select BaseName,Extension
BaseName Extension
-------- ---------
StackOverflow.com Test Config .xlsx
If you are given the fil...
Check if a Windows service exists and delete in PowerShell
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More recent versions of PS have Remove-WmiObject, and beware of silent fails for $service.delete() - have added another answer with formatted examples.
– Straff
May 3 '16 at 23:07
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Printing object properties in Powershell
...Ideally your script would create your objects ($obj = New-Object -TypeName psobject -Property @{'SomeProperty'='Test'}) then just do a Write-Output $objects. You would pipe the output to Format-Table.
PS C:\> Run-MyScript.ps1 | Format-Table
They should really call PowerShell PowerObjectandPipi...
How do I set a variable to the output of a command in Bash?
...myPi=$(bc -l <<<'4*a(1)')
Nested sample:
SysStarted=$(date -d "$(ps ho lstart 1)" +%s)
echo $SysStarted
1480656334
bash features
There is an elegent way:
users=()
while IFS=: read -u $list user pass uid gid name home bin ;do
((uid>=500)) &&
printf -v users[uid] "%1...
Favorite (G)Vim plugins/scripts? [closed]
... Link to all his vim contributions: vim.org/account/profile.php?user_id=9012
– Benjamin Oakes
May 27 '10 at 0:11
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