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Find and Replace Inside a Text File from a Bash Command
...Bash to invoke anything, including your own compiled programs, other shell scripts, Python and Perl scripts etc.
In this case, there are a couple of ways to do it.
If you want to read a file, and write it to another file, doing search/replace as you go, use sed:
sed 's/abc/XYZ/g' <infile >o...
How do I programmatically determine if there are uncommitted changes?
...n see "How to check if a command succeeded?" if you are using it in a bash script:
git diff-index --quiet HEAD -- || echo "untracked"; // do something about it
Note: as commented by Anthony Sottile
git diff-index HEAD ... will fail on a branch which has no commits (such as a newly initialized repo...
Does a `+` in a URL scheme/host/path represent a space?
...the question. And, incorrectly encodes URLs, with a specific language (JavaScript) -- depending on the context, you probably don't want to encode where you need special (not literal) slashes (/) and colons(:) for the URL to work.
– Gremio
Apr 9 '18 at 17:13
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Disable pasting text into HTML form
Is there a way using JavaScript to disable the ability to paste text into a text field on an HTML form?
23 Answers
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How to exit if a command failed?
I am a noob in shell-scripting. I want to print a message and exit my script if a command fails. I've tried:
8 Answers
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Display help message with python argparse when script is called without any arguments
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If you have arguments that must be specified for the script to run - use the required parameter for ArgumentParser as shown below:-
parser.add_argument('--foo', required=True)
parse_args() will report an error if the script is run without any arguments.
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How to use PHP OPCache?
..., misses and some more useful information. It will also contain the cached scripts.
var_dump(opcache_get_status());
opcache_reset():
Resets the entire cache. Meaning all possible cached scripts will be parsed again on the next visit.
opcache_reset();
opcache_invalidate():
Invalidates a speci...
Generate unique random numbers between 1 and 100
...ow can I generate some unique random numbers between 1 and 100 using JavaScript?
29 Answers
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Remove first element from $@ in bash [duplicate]
I'm writing a bash script that needs to loop over the arguments passed into the script. However, the first argument shouldn't be looped over, and instead needs to be checked before the loop.
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Explain which gitignore rule is ignoring my file
...git status its use case is unlikely to cause any user confusion.
Test scripts are augmented to check this option against the standard ignores to ensure correct behaviour.
--no-index::
Don't look in the index when undertaking the checks.
This can be used:
to debug why a path b...