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How to slice an array in Bash
Looking the "Array" section in the bash(1) man page, I didn't find a way to slice an array.
4 Answers
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C# Set collection?
...ents that the object can hold. A HashSet(Of T) object's capacity automatically increases as elements are added to the object.
The HashSet(Of T) class is based on the model of mathematical sets and provides high-performance set operations similar to accessing the keys of the Dictionary(Of ...
Renaming the current file in Vim
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The command is called :saveas, but unfortunately it will not delete your old file, you'll have to do that manually. see :help saveas for more info.
EDIT:
Most vim installations have an integrated file explorer, which you can use for such ...
Diff files present in two different directories
...t not the content that differ, and "sort" will arrange the output alphabetically.
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How to concatenate strings in django templates?
...commend Ahsan's own answer as it also workes and is (in my opinion) semantically more correct and raises less confusion.
– gitaarik
Apr 2 '13 at 16:23
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Undo a merge by pull request?
...st with the ability to unrevert later.
To do so, you will need to take the ID of the merge commit.
In the above example the merge commit is the top one where it says "Merged pull request #123...".
Do this to revert the both changes ("Add bar" and "Add foo") and you will end up with in one commit r...
How to convert a color integer to a hex String in Android?
...he 3 bytes in String. All non-significant digits will be dropped from the call, so if you want the leading zeroes, you may have to prepend that in yourself.
– ming_codes
Jun 30 '11 at 20:04
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What is the difference between “git branch” and “git checkout -b”?
...hing to is shared by others? I used this recently and it seemed to automatically merge in the changes in my other branch to the branch I switched to.
– Jeff
Feb 17 '15 at 23:25
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How to install and run phpize
... Ubuntu 16.04+) install the php-dev dependency package, which will automatically install the correct version of php{x}-dev for your distribution:
sudo apt install php-dev
Older versions of Debian/Ubuntu:
For PHP 5, it's in the php5-dev package.
sudo apt-get install php5-dev
For PHP 7.x (from ...
What does “Auto packing the repository for optimum performance” mean?
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Indeed, this took about 5 minutes for me, but it did finish up. Great answer.
– Joshua Pinter
Mar 2 '12 at 18:24
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