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How to use sed to replace only the first occurrence in a file?
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@Jean-LucNacifCoelho: using s// - i.e., an empty regex - means that the most recently applied regex is implicitly reused; in this case, RE. This convenient shortcut means you don't have to duplicate the range-ending regex in your s call.
– mklement0
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Rolling back local and remote git repository by 1 commit
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Set the local branch one revision back (HEAD^ means one revision back):
git reset --hard HEAD^
Push the changes to origin:
git push --force
You will have to force pushing because otherwise git would recognize that you're behind origin by one commit and nothing will...
What is SuppressWarnings (“unchecked”) in Java?
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It could also mean that the current Java type system version isn't good enough for your case. There were several JSR propositions / hacks to fix this: Type tokens, Super Type Tokens, Class.cast().
If you really need this supression, narr...
PHP Pass variable to next page
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HTML / HTTP is stateless, in other words, what you did / saw on the previous page, is completely unconnected with the current page. Except if you use something like sessions, cookies or GET / POST variables. Sessions and cookies are quite easy to use, with session being by far...
How do I run two commands in one line in Windows CMD?
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@LưuVĩnhPhúc in sh-style shells, ; means to run the first command, wait for it to finish, then run the second command. & means to run the first command, put it to background, and run the second command. So both programs launch simultaneously. Note that th...
Set custom HTML5 required field validation message
I have one form with many input fields. I have put html5 validations
11 Answers
11
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How to sort a NSArray alphabetically?
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The simplest approach is, to provide a sort selector (Apple's documentation for details)
Objective-C
sortedArray = [anArray sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)];
Swift
let descriptor: NSSortDescriptor = NSSortDescriptor(...
How can I view a git log of just one user's commits?
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pro.mean's answer how to do this via the interface: stackoverflow.com/a/39123694/1225617
– Adam Millerchip
Dec 2 '16 at 10:22
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How can I get the actual stored procedure line number from an error message?
...s counting lines from the start of the batch that created that proc. That means either the start of the script, or else the last "GO" statement before the create/alter proc statement.
An easier way to see that is to pull the actual text that SQL Server used when creating the object. Switch your o...
What GRANT USAGE ON SCHEMA exactly do?
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@bilelovitch: you mean grant all on schema public to admin? PS: I added also grant usage, select on all sequences in schema public to read_only/read_write; grant execute on all functions in schema public to read_only/read_write;
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