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How to remove all white space from the beginning or end of a string?
How can I remove all white space from the beginning and end of a string?
6 Answers
6
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How do I remove a MySQL database?
...database cannot be dropped, even though you have no typos in the statement and do not miss the ; at the end, enclose the database name in between backticks:
mysql> drop database `my-database`;
Backticks are for databases or columns, apostrophes are for data within these.
For more information,...
How to check if a process id (PID) exists
...will have a race condition.
If you want to ignore the text output of kill and do something based on the exit code, you can
if ! kill $pid > /dev/null 2>&1; then
echo "Could not send SIGTERM to process $pid" >&2
fi
...
Accidentally committed .idea directory files into git
... filesystem
Send the change to others
Third, commit the .gitignore file and the removal of .idea from the repository. After that push it to the remote(s).
Summary
The full process would look like this:
$ echo '.idea' >> .gitignore
$ git rm -r --cached .idea
$ git add .gitignore
$ git com...
How to debug a referenced dll (having pdb)
I have two solutions in my workspace, say A and B.
10 Answers
10
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Google Chrome Extensions - Can't load local images with CSS
... @Salem It would be inconvenient to develop as unpacked extension id and uploaded to the gallery one have different ids. It's not the end of the world, just inconvenience and sort of bad practice, just like hardcoding absolute file pathes in the code for example.
– serg
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Where do I find the definition of size_t?
...
From Wikipedia
The stdlib.h and stddef.h header files define a datatype called size_t1 which is used to represent the size of an object. Library functions that take sizes expect them to be of type size_t, and the sizeof operator evaluates to size_t.
The...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...y what Write-Host is doing behind the scenes.
Run this demonstration code and examine the result.
function Test-Output {
Write-Output "Hello World"
}
function Test-Output2 {
Write-Host "Hello World" -foreground Green
}
function Receive-Output {
process { Write-Host $_ -foreground Ye...
Should bower_components be gitignored?
Would it be good practice to keep only the bower.json file and gitignore the whole bower_components directory?
6 Answer...
Where can I get a list of Ansible pre-defined variables?
...at Ansible provide some pre-defined variables that we can use in playbooks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me?
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