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Bash function to find newest file matching pattern
... many people on many systems in many different situations then I very much do recommend to not parse ls.
Here is how to do it "right": How can I find the latest (newest, earliest, oldest) file in a directory?
unset -v latest
for file in "$dir"/*; do
[[ $file -nt $latest ]] && latest=$fil...
How to check if a variable is an integer in JavaScript?
How do I check if a variable is an integer in JavaScript, and throw an alert if it isn't? I tried this, but it doesn't work:
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How do I use sudo to redirect output to a location I don't have permission to write to?
I've been given sudo access on one of our development RedHat linux boxes, and I seem to find myself quite often needing to redirect output to a location I don't normally have write access to.
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How do you find the current user in a Windows environment?
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Username:
echo %USERNAME%
Domainname:
echo %USERDOMAIN%
You can get a complete list of environment variables by running the command set from the command prompt.
share
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How to check if a file contains a specific string using Bash
...file contains a specific string or not in bash. I used this script, but it doesn't work:
11 Answers
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How do I create a link using javascript?
... <head></head>
<body>
<script>
var a = document.createElement('a');
var linkText = document.createTextNode("my title text");
a.appendChild(linkText);
a.title = "my title text";
a.href = "http://example.com";
document.body.appendChild(...
How do I prevent the iPhone screen from dimming or turning off while my application is running?
I'm working on an app that requires no user input, but I don't want the iPhone to enter the power saving mode.
5 Answers
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What exactly does the enable-background attribute do?
What exactly does the enable-background attribute do?
2 Answers
2
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git checkout tag, git pull fails in branch
...rence to origin. I was on a branch and did git checkout master. I couldn't do git pull because the reference to origin was lost. Now it works. Thank you!
– Ariel
Dec 12 '14 at 13:22
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How do I raise the same Exception with a custom message in Python?
...rror of type "+ str(type(e))+" with message " +e.message)
This will also do the right thing if err is derived from ValueError. For example UnicodeDecodeError.
Note that you can add whatever you like to err. For example err.problematic_array=[1,2,3].
Edit: @Ducan points in a comment the above ...