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Javascript reduce on array of objects
...a variable in the next iteration.
Iteration 1: a = {x:1}, b = {x:2}, {x: 3} assigned to a in Iteration 2
Iteration 2: a = {x:3}, b = {x:4}.
The problem with your example is that you're returning a number literal.
function (a, b) {
return a.x + b.x; // returns number literal
}
Iteration 1: ...
How to keep the local file or the remote file during merge using Git and the command line?
...
314
You can as well do:
git checkout --theirs /path/to/file
to keep the remote file, and:
git ...
Mocking a class: Mock() or patch()?
...n MyClass()
...
>>> x = create_instance()
Created MyClass@4299548304
>>>
>>> @mock.patch('__main__.MyClass')
... def create_instance2(MyClass):
... MyClass.return_value = 'foo'
... return create_instance()
...
>>> i = create_instance2()
>>> i
'foo'...
How to extract a string using JavaScript Regex?
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answered Nov 10 '09 at 13:18
Salman ASalman A
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How can I make git do the “did you mean” suggestion?
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MotoWilliams
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answered Mar 2 '11 at 12:44
jamessanjamessan
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How to encode URL parameters?
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173
With PHP
echo urlencode("http://www.image.com/?username=unknown&password=unknown");
Resul...
Is there a “vim runtime log”?
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ideasman42
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answered Jun 11 '10 at 20:31
sleepynatesle...
Does every Javascript function have to return a value?
... to return void:
void noReturn()//return type void
{
printf("%d\n", 123);
return;//return nothing, can be left out, too
}
//in JS:
function noReturn()
{
console.log('123');//or evil document.write
return undefined;//<-- write it or not, the result is the same
return;//<--...
Unable to hide welcome screen in Emacs
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answered Apr 13 '09 at 17:28
Bastien LéonardBastien Léonard
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SQL Server ':setvar' Error
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Josh Darnell
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answered Apr 21 '10 at 17:12
AndrewAndrew
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