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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
Looking at a Get-WebFile script over on PoshCode, http://poshcode.org/3226 , I noticed this strange-to-me contraption:
6 A...
What does multicore assembly language look like?
... disks - here's an x86_32 version written in assembler using the old TSS descriptors that can actually run multi-threaded C code (github.com/duanev/oz-x86-32-asm-003) but there is no standard library support. Quite a bit more than you asked for but it can maybe answer some of those lingering questi...
jQuery post() with serialize and extra data
...oes. I'm not sure what you are trying to show with your demo. You are just alerting the length of the array. If my demo doesn't convince you, please have a look at the documentation.
– Felix Kling
Nov 19 '14 at 18:56
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How to redirect output of an entire shell script within the script itself?
Is it possible to redirect all of the output of a Bourne shell script to somewhere, but with shell commands inside the script itself?
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Local variables in nested functions
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I banged my head on this wall for 3 hours today on a script for work. Your last point is very important, and is the main reason why I encountered this problem. I have callbacks with closures galore throughout my code, but trying the same technique in a loop is what got me.
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Check if a Windows service exists and delete in PowerShell
I am currently writing a deployment script that installs a number of Windows services.
14 Answers
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How to list all users in a Linux group?
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Would it be possible for you to donate your script to the Linux foundation? It is 2012 and there are still no easy way to get the members of a group. That is the thing that frustrate me about Linux.
– winteck
Jul 19 '12 at 13:51
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Escape a string for a sed replace pattern
In my bash script I have an external (received from user) string, which I should use in sed pattern.
14 Answers
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Run a single migration file
...B) which relies on the fact that require returns an array of class names:
script/runner 'require("db/migrate/20090408054532_add_foos.rb").first.constantize.up'
Note that if you do this, it probably won't update the schema_migrations table, but it seems like that's what you want anyway.
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Aborting a shell script if any command returns a non-zero value?
I have a Bash shell script that invokes a number of commands.
I would like to have the shell script automatically exit with a return value of 1 if any of the commands return a non-zero value.
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