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Remove leading or trailing spaces in an entire column of data
How do I remove leading or trailing spaces of all cells in an entire column?
6 Answers
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GCD to perform task in main thread
I have a callback which might come from any thread. When I get this callback, then I would like to perform a certain task on the main thread.
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How does mockito when() invocation work?
Given the following Mockito statement:
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Adding asterisk to required fields in Bootstrap 3
My HTML has a class called .required that is assigned to required fields.
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How does a garbage collector avoid an infinite loop here?
Consider the following C# program, I submitted it on codegolf as an answer to create a loop without looping:
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How to see which flags -march=native will activate?
I'm compiling my C++ app using GCC 4.3. Instead of manually selecting the optimization flags I'm using -march=native , which in theory should add all optimization flags applicable to the hardware I'm compiling on. But how can I check which flags is it actually using?
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Using :before CSS pseudo element to add image to modal
I have a CSS class Modal which is absolutely positioned, z-indexed above it's parent, and nicely positioned with JQuery. I want to add a caret image (^) to the top of the modal box and was looking at using the :before CSS pseudo selector to do this cleanly.
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In Git, what is the difference between origin/master vs origin master?
...know, origin is a term for the remote repository and master is the branch there.
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What does passport.session() middleware do?
I am building an authentication system using Passport.js using Easy Node Authentication: Setup and Local tutorial .
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