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In a Git repository, how to properly rename a directory?
... But if you want to rename from casesensitive to CaseSensitive, you can do this way: git mv casesensitive Temp and then git mv Temp CaseSensitive
– ViliusK
Feb 9 '14 at 21:03
...
Check if a string matches a regex in Bash script
... can define a regex in Bash matching the format you want. This way you can do:
[[ $date =~ ^regex$ ]] && echo "matched" || echo "did not match"
where commands after && are executed if the test is successful, and commands after || are executed if the test is unsuccessful.
Note this i...
Run a callback only if an attribute has changed in Rails
...
Rails 5.1+
class Page < ActiveRecord::Base
before_save :do_something, if: :will_save_change_to_status_id?
private
def do_something
# ...
end
end
The commit that changed ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faa...
Creating folders inside a GitHub repository without using Git
...GitHub repository without installing the Git setup for (Mac, Linux, and Windows). Is it possible to do so?
4 Answers
...
How do I escape the wildcard/asterisk character in bash?
...haviour. So use echo "$foo" in instead of just echo $foo.
LONG ANSWER
I do think this example warrants further explanation because there is more going on than it might seem on the face of it.
I can see where your confusion comes in because after you ran your first example you probably thought to...
How do I strip non alphanumeric characters from a string and keep spaces?
...ion: @search_query.gsub(/[^0-9a-z\\s]/i, '')
– David Douglas
Dec 6 '13 at 12:09
6
slightly less w...
What's the correct way to communicate between controllers in AngularJS?
...rmance problems as raised by @numan. That is because the event will bubble down through all scopes.
However, the latter (using $rootScope.$emit + $rootScope.$on) does not suffer from this and can therefore be used as a fast communication channel!
From the angular documentation of $emit:
Dispa...
How do I get the current date and time in PHP?
...te in a different time zone,
* say if you come from Nairobi, Kenya like I do, you can set
* the time zone to Nairobi as shown below.
*/
date_default_timezone_set('Africa/Nairobi');
// Then call the date functions
$date = date('Y-m-d H:i:s');
// Or
$date = date('Y/m/d H:i:s');
// date_default_t...
Should a retrieval method return 'null' or throw an exception when it can't produce the return value
... valid for the application logic then return a null.
More important: What do you do other places in the code? Consistency is important.
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How to delete a stash created with git stash create?
Git stash seems to do a lot of what I want, except that it is a little hard to script, as the if you have no changes, then git stash; git stash pop will do something different than if you do have changes in your repository.
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