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Trim spaces from start and end of string
I am trying to find a way to trim spaces from the start and end of the title string. I was using this, but it doesn't seem to be working:
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How to delete every other line in Vim?
I would like to delete every other line from a Vim buffer, starting with the second one, i.e., lines 2, 4, 6, etc. For example, if the buffer’s contents is:
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How to declare a global variable in php?
I have code something like this:
10 Answers
10
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Devise Secret Key was not set
I am developing a Rails 4 app using the Active Admin gem for the administration back end. Active Admin in turn uses Devise for user authentication. Now, when I try to deploy the app using capistrano on the VPS server, I get the below error:
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What is the recommended way to use Vim folding for Python code
I am interested in enabling code folding in Vim for Python code. I have noticed multiple ways to do so.
11 Answers
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Remove Item from ArrayList
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In this specific case, you should remove the elements in descending order. First index 5, then 3, then 1. This will remove the elements from the list without undesirable side effects.
for (int j = i.length-1; j >= 0; j--) {
list.remove(i[j]);
}
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Setting default permissions for newly created files and sub-directories under a directory in Linux?
I have a bunch of long-running scripts and applications that are storing output results in a directory shared amongst a few users. I would like a way to make sure that every file and directory created under this shared directory automatically had u=rwxg=rwxo=r permissions.
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How to Batch Rename Files in a macOS Terminal?
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In your specific case you can use the following bash command (bash is the default shell on macOS):
for f in *.png; do echo mv "$f" "${f/_*_/_}"; done
Note: If there's a chance that your filenames start with -, place -- before them[1]:
mv -- "$f" "${f/_*_/_}"
Note: e...
Reordering of commits
I'm currently working on a branch and want some commits to merge into other branches:
5 Answers
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Calling C/C++ from Python?
What would be the quickest way to construct a Python binding to a C or C++ library?
16 Answers
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