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Remove unused references (!= “using”)
...- it won't pick it up. There is no substitute for understanding your code base and the project dependencies as you work on your project. I do find the ReSharper features very useful.
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impro...
ActionController::InvalidAuthenticityToken
...k trace, you get a line looking like Request origin does not match request base_url.
When using a reverse proxy (such as nginx) as receiver for HTTPS request and transmitting the request unencrypted to the backend (such as the Rails app), the backend (more specifically: Rack) expects some headers wi...
How can I get a JavaScript stack trace when I throw an exception?
...g an exception
} catch(e) {
console.log(e.stack);
}
It applies for the base exceptions as well as for the ones you throw yourself. (Considered that you use the Error class, which is anyway a good practice).
See details on V8 documentation
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What is a mutex?
...e etc.
How to use them is language specific, but is often (if not always) based on a operating system mutex.
Some languages doesn't need this construct, due to the paradigm, for example functional programming (Haskell, ML are good examples).
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What __init__ and self do on Python?
...x or a.x. Note that overriding it on a specific class will not affect the base, so A.x = 'foo'; a.x = 'bar'; print a.x; print A.x will print bar then foo
– Chris B.
Apr 9 '12 at 15:46
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cancelling queued performSelector:afterDelay calls
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do I see the last 10 commits in reverse-chronological order with SVN?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How can I get a list of Git branches, ordered by most recent commit?
... This is a colorized version including hashes, messages, ordered ascending based on commit date, with the relative age of the last commit on each branch. I stole all of the ideas from you guys above. It's in my .gitconfig in the [alias] section and I love it. br = for-each-ref --sort=committerdate r...
Add and Remove Views in Android Dynamically?
...n you write an XML layout, it is just parsed in Java and views are created based on it during the run-time!
– Davide Cannizzo
Jan 27 '18 at 17:02
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Ruby class instance variable vs. class variable
...so subclasses can change the value of the class instance variable, and the base class will also be affected by the change, which is usually undesirable behavior:
class C
@@c = 'c'
def self.c_val
@@c
end
end
C.c_val
=> "c"
class D < C
end
D.instance_eval do
def change_c_val
...