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How can I use Timer (formerly NSTimer) in Swift?
...ctor(eventWith(timer:)),
userInfo: [ "foo" : "bar" ],
repeats: true)
}
// Timer expects @objc selector
@objc func eventWith(timer: Timer!) {
let info = timer.userInfo as Any
print(info)
}
}
...
Can I store the .git folder outside the files I want tracked?
...ckup and Git will pick them up on each command. That will only comfortably allow you to work in a single repository per shell, though.
I’d rather suggest symlinking the .git directory to somewhere else, or creating a symlink to the .git directory from your main backup directory.
...
Is 'float a = 3.0;' a correct statement?
...terals notation in specific scenarios.
For performance reasons:
Specifically, consider:
float foo(float x) { return x * 0.42; }
Here the compiler will emit a conversion (that you will pay at runtime) for each returned value. To avoid it you should declare:
float foo(float x) { return x * 0.42...
Different ways of adding to Dictionary
...if it does and the parameter add is true, it throws the exception.
So for all purposes and intents the performance is the same.
Like a few other mentions, it's all about whether you need the check, for attempts at adding the same key twice.
Sorry for the lengthy post, I hope it's okay.
...
How to check for an undefined or null variable in JavaScript?
...
@SharjeelAhmed It is mathematically corrected. NaN from difference equation can never expected to be equal
– Thaina
Oct 4 '19 at 4:12
...
Casting to string in JavaScript
... searched for those three options in the jQuery source code, and they are all in use .
I would like to know if there are any differences between them:
...
Mockito How to mock only the call of a method of the superclass
...ad of extending a super class the problem is gone.
If however you are not allowed to change the code, but you must test it anyway, and in this awkward way, there is still hope. With some AOP tools (for example AspectJ) you can weave code into the super class method and avoid its execution entirely ...
How to print a debug log?
...
+1 It took me too long to find this answer. This is all I really was looking for. I couldn't figure out how to see what my array contained (working in Drupal).
– SteveS
May 7 '14 at 14:31
...
Render basic HTML view?
...ister() can be used to map engines to file extensions, so that for example foo.html can be rendered by jade.
So either you create your own simple renderer or you just use jade:
app.register('.html', require('jade'));
More about app.register.
Note that in Express 3, this method is renamed a...
What is Angular.noop used for?
...laceholder when you need to pass some function as a param.
function foo (callback) {
// Do a lot of complex things
callback();
}
// Those two have the same effect, but the later is more elegant
foo(function() {});
foo(angular.noop);
...