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Regular expression to limit number of characters to 10
...ing to write a regular expression that will only allow lowercase letters and up to 10 characters. What I have so far looks like this:
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What is the difference between memmove and memcpy?
What is the difference between memmove and memcpy ? Which one do you usually use and how?
9 Answers
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Is there a (repeat-last-command) in Emacs?
Frequently, I've dug into apropos and docs looking for something like the following only to give up to get back to the task at hand:
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Pipe output and capture exit status in Bash
I want to execute a long running command in Bash, and both capture its exit status, and tee its output.
15 Answers
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How to un-submodule a Git submodule?
...odule code into the main repository, you just need to remove the submodule and re-add the files into the main repo:
git rm --cached submodule_path # delete reference to submodule HEAD (no trailing slash)
git rm .gitmodules # if you have more than one submodules,
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Studies on optimal code width?
...racters. I tend to change it to 120 for no reason other than it was the standard at a company I was with a few years back, and no other company has told me to do it differently.
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How do I remove background-image in css?
...ssary as the declaration with #a is more precise than a declaration of div and therefore this rule will be applied instead of the general div rule.
– Ruud
Sep 22 '09 at 16:20
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How to get first character of a string in SQL?
...ny optimizations here, it's just a preference.
– Alexander Abakumov
Sep 15 '14 at 15:15
add a...
How do I provide custom cast support for my class?
...ypes? For example, if I have my own implementation of managing a byte[] , and I want to let people cast my class to a byte[] , which will just return the private member, how would I do this?
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Prevent users from submitting a form by hitting Enter
I have a survey on a website, and there seems to be some issues with the users hitting enter (I don't know why) and accidentally submitting the survey (form) without clicking the submit button. Is there a way to prevent this?
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