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“var” or no “var” in JavaScript's “for-in” loop?
What's the correct way to write a for-in loop in JavaScript? The browser doesn't issue a complaint about either of the two approaches I show here. First, there is this approach where the iteration variable x is explicitly declared:
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What does the regular expression /_/g mean?
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How to pass a function as a parameter in Java? [duplicate]
...r usage. If you chose to go with callable, then you'd replace T above with whatever type of return value you expect, such as String.
In response to your comment below you could say:
public int methodToPass() {
// do something
}
public void dansMethod(int i, Callable<Integer> myFunc...
How to check the differences between local and github before the pull [duplicate]
... git status tells me Your branch is ahead of 'origin/master' by 4 commits. What's going on?
– Jason
Dec 19 '17 at 14:39
add a comment
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How do you unit test a Celery task?
...etely synchronous and should be the one that makes sure the algorithm does what it should do. The second session uses the whole system (including the broker) and makes sure I'm not having serialization issues or any other distribution, comunication problem.
So:
from celery import Celery
celery = ...
Should I use Java's String.format() if performance is important?
...d representation of all string formatting. Often there's logic involved in what to include and logic to format specific values into strings. Any real test should look at real-world scenarios.
– Orion Adrian
Feb 10 '09 at 17:27
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Regular Expression for alphanumeric and underscores
...or ^\w+$). Note that in other languages, and by default in .NET, \w is somewhat broader, and will match other sorts of Unicode characters as well (thanks to Jan for pointing this out). So if you're really intending to match only those characters, using the explicit (longer) form is probably best.
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JavaScript hashmap equivalent
...lar JavaScript dictionary. After all, you are in the best position to know what makes your objects unique. That's what I do.
Example:
var key = function(obj){
// Some unique object-dependent key
return obj.totallyUniqueEmployeeIdKey; // Just an example
};
var dict = {};
dict[key(obj1)] = obj1;...
How to export a Vagrant virtual machine to transfer it
...l be completed during provisioning of the new vagrant box (via Chef/Puppet/what-have-you).
– Hovis Biddle
Apr 4 '16 at 0:50
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Get name of property as a string
... 'common utilities' package for the Microsoft Enterprise Library, which is what MSDN seems to indicate contains that method. There's an "unofficial" package but being unofficial is uninspiring. JimC's answer, which is based on this one, is much more concise and doesn't rely on a seemingly unavailabl...