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Search and replace in bash using regular expressions
...'s are processed in order. Also, the g flag for the expression will match all occurrences in the input.
You can also pick your favorite tool using this method, i.e. perl, awk, e.g.:
echo "$MYVAR" | perl -pe 's/[a-zA-Z]/X/g and s/[0-9]/N/g'
This may allow you to do more creative matches... For ...
How do I run only specific tests in Rspec?
...onfiguration option treat_symbols_as_metadata_keys_with_true_values, which allows you to do:
describe "Awesome feature", :awesome do
where :awesome is treated as if it were :awesome => true.
Also see this answer for how to configure RSpec to automatically run 'focused' tests. This works especi...
Rails ActiveRecord date between
...
I would personally created a scope to make it more readable and re-usable:
In you Comment.rb, you can define a scope:
scope :created_between, lambda {|start_date, end_date| where("created_at >= ? AND created_at <= ?", start_date, e...
Difference between Static and final?
...he initialization of any instance variables.
A single copy to be shared by all instances of the class.
A static variable can be accessed directly by the class name and doesn’t need any object.
Syntax: Class.variable
Static method
It is a method which belongs to the class and not to the objec...
Pull all commits from a branch, push specified commits to another
...nd.
The problem with this commit is that git considers commits to include all history before them - thus, if you have three commits like so:
A-----B-----C
And try to get rid of B, you have to create an entirely new commit like so:
A-----------C'
Where C' has a different SHA-1 ID. Likewise, ch...
Is optimisation level -O3 dangerous in g++?
...n undefined behavior, due to relying more strictly on the rules, and especially corner cases, of the language(s).
As a personal note, I am running production software in the financial sector for many years now with -O3 and have not yet encountered a bug that would not have been there if I would hav...
How can I make PHP display the error instead of giving me 500 Internal Server Error [duplicate]
This has never happened before. Usually it displays the error, but now it just gives me a 500 internal server error. Of course before, when it displayed the error, it was different servers. Now I'm on a new server (I have full root, so if I need to configure it somewhere in the php.ini, I can.) Or p...
stopPropagation vs. stopImmediatePropagation
...“parent”, but in reality both also stops entering children as well if called in the capture phase! See my answer for details.
– Robert Siemer
Mar 26 at 7:07
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rsync copy over only certain types of files using include option
...iles of certain extension(in this case *.sh), however it still copies over all the files. what's wrong?
6 Answers
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How do you squash commits into one patch with git format-patch?
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This is what I use when I want to keep the history locally (in case I need to edit the patch). Otherwise I just use rebase -i and squash the commits.
– sebnow
Mar 9 '09 at 5:23
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