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Cost of len() function
...ength of the element - very fast) on every type you've mentioned, plus set and others such as array.array.
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How to break a line of chained methods in Python?
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I also like it best. Doesn't add more code and it's without backslashes.
– Juliusz Gonera
Jan 22 '11 at 23:17
23
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What happens to a github student account's repositories at the end of 2 years?
...s your private repositories. Your private repositories will not be deleted and they will not be made public.
Of course, if you ever have any troubles, you can always email support@github.com.
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How to make space between LinearLayout children?
I am programatically adding custom views to a vertical LinearLayout, and I would like there to be some space between the views. I have tried adding: setPadding(0, 1, 0, 1) to my CustomView constructor, but this doesn't seem to have any effect. Any advice?
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What does new self(); mean in PHP?
...ends MyParentClass {
}
$a = MyChildClass::getInstance();
var_dump($a);
And you'd get this kind of output :
object(MyParentClass)#1 (0) { }
Which means self means MyParentClass -- i.e. here too, the class in which it is written.
With PHP < 5.3, that "the class in which it is written" ...
How do you calculate the average of a set of circular data? [closed]
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Compute unit vectors from the angles and take the angle of their average.
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How should I call 3 functions in order to execute them one after the other?
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In Javascript, there are synchronous and asynchronous functions.
Synchronous Functions
Most functions in Javascript are synchronous. If you were to call several synchronous functions in a row
doSomething();
doSomethingElse();
doSomethingUsefulThisTime();
th...
Python nonlocal statement
What does the Python nonlocal statement do (in Python 3.0 and later)?
9 Answers
9
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How do you tell if caps lock is on using JavaScript?
...s/edit?js,output
Also, here is a modified version (can someone test on mac and confirm)
NEW VERSION: https://jsbin.com/xiconuv/edit?js,output
NEW VERSION:
function isCapslock(e) {
const IS_MAC = /Mac/.test(navigator.platform);
const charCode = e.charCode;
const shiftKey = e.shiftKey;
if (...
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...splat operator *.
EXCEPTIONS = [FooException, BarException]
begin
a = rand
if a > 0.5
raise FooException
else
raise BarException
end
rescue *EXCEPTIONS
puts "rescued!"
end
If you are going to use a constant for the array as above (with EXCEPTIONS), note that you cannot defin...