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What is the difference between a symbolic link and a hard link?
...nterview. I was honest and said I knew how a symbolic link behaves and how to create one, but do not understand the use of a hard link and how it differs from a symbolic one.
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Why does printf not flush after the call unless a newline is in the format string?
...only display what's in the buffer after it reaches a newline (or when it's told to). You have a few options to print immediately:
Print to stderrinstead using fprintf (stderr is unbuffered by default):
fprintf(stderr, "I will be printed immediately");
Flush stdout whenever you need it to using f...
Detach (move) subdirectory into separate Git repository
I have a Git repository which contains a number of subdirectories. Now I have found that one of the subdirectories is unrelated to the other and should be detached to a separate repository.
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Why / when would it be appropriate to override ToString?
I'm studying C# and I wonder what the point and benefit of overriding ToString might be, as shown in the example below.
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Undo git pull, how to bring repos to old state
Is there any way to revert or undo git pull so that my source/repos will come to old state that was before doing git pull ?
I want to do this because it merged some files which I didn't want to do so, but only merge other remaining files. So, I want to get those files back, is that possible?
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Split string into an array in Bash
In a Bash script I would like to split a line into pieces and store them in an array.
22 Answers
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git clone through ssh
I have a project on which I created a git repository:
10 Answers
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How to export a Vagrant virtual machine to transfer it
I have a vagrant box up and running (configured with a LAMP stack). I need to transfer it to another PC. How can I export it?
I guess that I can get a file (or files) that can be copied to another PC, so there I can run some command to import the vagrant box.
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Rotated elements in CSS that affect their parent's height correctly
Let's say I have a couple of columns, of which some I'd like to rotate the values of:
6 Answers
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Why would you ever implement finalize()?
... that no one has really made it plain that finalize() is an unreliable way to clean up resources. I saw someone comment that they use it to clean up Connections, which is really scary since the only way to come as close to a guarantee that a Connection is closed is to implement try (catch) finally....