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Javascript reduce on array of objects
...: 2 }, { age: 8 }]
.reduce((total, thing) => total + thing.age, 0);
Now we're giving a starting value to the aggregator. The starting value should be the type that you expect the aggregator to be (the type you expect to come out as the final value), in the vast majority of cases.
While you ar...
Convert date to another timezone in JavaScript
... If anyone looking for implementation that works for all browser right now, they can try any answers below with it's own cons...
– Rizky Ramadhan
Feb 14 '19 at 13:40
...
What does “pending” mean for request in Chrome Developer Window?
...solution I found:
player[0].setAttribute('src','video.webm?dummy=' + Date.now());
You just add a dummy query string to the end of each url. This forces Chrome to download the file again.
Another example with popcorn player (using jquery) :
url = $(this).find('.url_song').attr('url');
pop = Popc...
Spring boot @ResponseBody doesn't serialize entity id
...
And don't forget to support now getter and setter for the id in the entity class!.. (I forgot it and was searching much time for that)
– phil
Apr 21 '16 at 18:12
...
iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
...eem to be a way to work around it.
UPDATE:
In iOS 4.3 and later, you can now implement `-disablesAutomaticKeyboardDismissal' on your view controller to return NO:
- (BOOL)disablesAutomaticKeyboardDismissal {
return NO;
}
This fixes the issue.
...
Calling C++ class methods via a function pointer
...mal* pAnimal = (*pNew)();
pAnimal->makeNoise();
return 0;
}
Now although you can normally use a Dog* in the place of an Animal* thanks to the magic of polymorphism, the type of a function pointer does not follow the lookup rules of class hierarchy. So an Animal method pointer is not ...
How can I format a decimal to always show 2 decimal places?
...ring formatting
Python 3.6 introduced literal string interpolation (also known as f-strings) so now you can write the above even more succinct as:
>>> f'{pi:.2f}'
'3.14'
share
|
improve t...
How to use shell commands in Makefile
...e not found a quick reference link to a POSIX document for this, nor do I know off-hand which make variants support ::= assignment, although GNU make does today, with the same meaning as :=, i.e., do the assignment right now with expansion.
Note that VAR := $(shell command args...) can also be spel...
Can a project have multiple origins?
...rebase/push on there behalf by using there fork and are able to merge code now, not tomorrow).
– Benoit Drapeau
Oct 20 '17 at 3:04
...
JavaScript function order: why does it matter?
...
var foo = 42;
//the interpreter turns it into this:
var foo;
foo = 42;
Now, how function declarations are handled:
var foo = 42;
function bar() {}
//turns into
var foo; //Insanity! It's now at the top
function bar() {}
foo = 42;
The var statements "throws" the creation of foo to the very top...