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Looping through a hash, or using an array in PowerShell
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Shorthand is not preferred for scripts; it is less readable. The %{} operator is considered shorthand. Here's how it should be done in a script for readability and reusability:
Variable Setup
PS> $hash = @{
a = 1
b = 2
c = 3
}
PS> $hash...
How do I append text to a file?
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if you need to use sudo or use this in a script refer to my follow up to this accepted answer below.
– user12345
May 25 '18 at 6:28
4
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Read a variable in bash with a default value
I need to read a value from the terminal in a bash script. I would like to be able to provide a default value that the user can change.
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Redis: Show database size/size for keys
...to aggregate all values for KEYS * which shouldn't be too difficult with a scripting language of your choice...
The bad thing is that redis.io doesn't really have a lot of information about DEBUG OBJECT.
share
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virtualenv --no-site-packages and pip still finding global packages?
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A similar problem can occur on Windows if you call scripts directly as script.py which then uses the Windows default opener and opens Python outside the virtual environment. Calling it with python script.py will use Python with the virtual environment.
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sed beginner: changing all occurrences in a folder
...res of sed that are specific to linux or BSD. Instead I use the overwrite script from Kernighan and Pike's book on the Unix Programming Environment.
The command is then
find /the/folder -type f -exec overwrite '{}' sed 's/old/new/g' {} ';'
And the overwrite script (which I use all over the plac...
PHP how to get local IP of system
... @andras.tim I like simple answers , however when I ran your script it's not returning my machine's IP address, it's returning the IP address used in my virtual machine..what could be the problem though?
– Scarl
Jul 3 '15 at 22:19
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Docker - how can I copy a file from an image to a host?
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I am using boot2docker on MacOS. I can assure you that scripts based on "docker cp" are portable. Because any command is relayed inside boot2docker but then the binary stream is relayed back to the docker command line client running on your mac. So write operations from the docke...
Should a .sln be committed to source control?
...solution (*.sln),
project files,
all source files,
app config files
build scripts
Things you should not commit are:
solution user options (.suo) files,
build generated files (e.g. using a build script) [Edit:] - only if all necessary build scripts and tools are available under version control (...
How to check all checkboxes using jQuery?
I am not expert with jQuery but I have tried to create a little script for my application. I want to check all checkboxes but it isn't working correctly.
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