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How to list branches that contain a given commit?
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1507
From the git-branch manual page:
git branch --contains <commit>
Only list branches wh...
Why did Rails4 drop support for “assets” group in the Gemfile
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+50
Previously the assets group existed to avoid unintended compilation-on-demand in production. As Rails 4 doesn't behave like that anym...
Check if PHP session has already started
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Recommended way for versions of PHP >= 5.4.0 , PHP 7
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
Reference: http://www.php.net/manual/en/function.session-status.php
For versions of PHP < 5.4.0
if(session_id() == '') {
session_sta...
how do you push only some of your local git commits?
Suppose I have 5 local commits. I want to push only 2 of them to a centralized repo (using an SVN-style workflow). How do I do this?
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How do I convert a Vector of bytes (u8) to a string
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edited May 20 '18 at 14:05
Shepmaster
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answ...
How do you create an asynchronous method in C#?
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answered Apr 17 '13 at 15:30
Stephen ClearyStephen Cleary
349k6363 gold badges575575 silver badges699699 bronze badges
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How to merge 2 JSON objects from 2 files using jq?
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165
Since 1.4 this is now possible with the * operator. When given two objects, it will merge them r...
In AngularJS, what's the difference between ng-pristine and ng-dirty?
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5 Answers
5
Active
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What is the difference between Ruby 1.8 and Ruby 1.9
...ion: Use Hash.key
Fixnum.to_sym Now Gone
Ruby 1.9
irb(main):001:0> 5.to_sym
NoMethodError: undefined method 'to_sym' for 5:Fixnum
Ruby 1.8.6
irb(main):001:0> 5.to_sym
=> nil
(Cont'd) Ruby 1.9
# Find an argument value by name or index.
def [](index)
lookup(index.to_sym)
end
sv...
Efficiently updating database using SQLAlchemy ORM
... on commit you don't have any stale data issues.
In the almost-released 0.5 series you could also use this method for updating:
session.query(Stuff).update({Stuff.foo: Stuff.foo + 1})
session.commit()
That will basically run the same SQL statement as the previous snippet, but also select the cha...