大约有 1,669 项符合查询结果（耗时：0.0153秒） [XML]
Node.js Unit Testing [closed]
...
An example would be
var is = require("vows-is");
is.suite("testing is fun").batch()
.context("is testing fun?")
.topic.is("yes")
.vow.it.should.equal("yes")
.suite().run({
reporter: is.reporter
});
More examples
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?
... exit(j+1) are essentially the same thing - quoting C99 §6.3.2.1/4:
A function designator is an expression that has function type. Except when it is the
operand of the sizeof operator or the unary & operator, a function designator with
type "function returning type" is converted to an e...
How to get hosting Activity from a view?
...
I like this solution written in Kotlin
tailrec fun Context?.getActivity(): Activity? = when (this) {
is Activity -> this
else -> (this as? ContextWrapper)?.baseContext?.getActivity()
}
Usage in View class
context.getActivity()
Decompiled code:
public stati...
How to remove an item from an array in AngularJS scope?
...-click="delete($index)">Delete</a>
Controller:
$scope.delete = function ( idx ) {
var person_to_delete = $scope.persons[idx];
API.DeletePerson({ id: person_to_delete.id }, function (success) {
$scope.persons.splice(idx, 1);
});
};
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Getting started with F# [closed]
...kering (May 2007)
Beginning F# by Robert Pickering (Dec 2009)
Real World Functional Programming by Tomas Petricek & Jon Skeet (Jan 2010)
Visual F# 2010 For Technical Computing by Dr Jon Harrop (Apr 2010)
Friendly F# by Giulia Costantini and Giuseppe Maggiore (Aug 2011)
Tools needed
Visual ...
javascript find and remove object in array based on key value
... == 88
Simply filter by the opposite predicate:
var data = $.grep(data, function(e){
return e.id != id;
});
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Difference between dict.clear() and assigning {} in Python
...ing methods are always useful if the original object is not in scope:
def fun(d):
d.clear()
d["b"] = 2
d={"a": 2}
fun(d)
d # {'b': 2}
Re-assigning the dictionary would create a new object and wouldn't modify the original one.
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How can you tell when a layout has been drawn?
...n pixels of the parent layout object. But during the onCreate and onResume functions, the Layout has not been drawn yet, and so layout.getMeasuredHeight() returns 0.
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How to select the row with the maximum value in each group
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The most intuitive method is to use group_by and top_n function in dplyr
group %>% group_by(Subject) %>% top_n(1, pt)
The result you get is
Source: local data frame [3 x 3]
Groups: Subject [3]
Subject pt Event
(dbl) (dbl) (dbl)
1 ...
How do I set default values for functions parameters in Matlab?
... use "varargs" and check against the number of arguments. Something like:
function f(arg1, arg2, arg3)
if nargin < 3
arg3 = 'some default'
end
end
There are a few fancier things you can do with isempty, etc., and you might want to look at Matlab central for some packages that bundl...