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Map vs Object in JavaScript
...in the map. However, this can be bypassed using map = Object.create(null). What are default keys? How keys are related to Object.prototype?
– overexchange
Dec 30 '15 at 18:27
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PowerMockito mock single static method and return object
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What you want to do is a combination of part of 1 and all of 2.
You need to use the PowerMockito.mockStatic to enable static mocking for all static methods of a class. This means make it possible to stub them using the when...
Best implementation for hashCode method for a collection
...ld override hashCode is if you have a custom equals, and that is precisely what these library methods are designed for. The documentation is quite clear on their behaviour in relation to equals. A library implementation does not claim to absolve you from knowing what the characteristics of a cor...
Why does changing the returned variable in a finally block not change the return value?
...y answer. In the situation you describe, the finally block does not change what object is returned (the StringBuilder) but it can change the internals of the object. The finally block executes before the method actually returns (even though the return statement has finished), so those changes occur ...
Using success/error/finally/catch with Promises in AngularJS
...g, just like normal code, you can return from a promise or you can throw.
What you'd want in synchronous code is:
try{
try{
var res = $http.getSync("url");
res = someProcessingOf(res);
} catch (e) {
console.log("Got an error!",e);
throw e; // rethrow to not marked as ha...
Using Java 8's Optional with Stream::flatMap
...ndFirst();
Java 8
Yes, this was a small hole in the API, in that it's somewhat inconvenient to turn an Optional<T> into a zero-or-one length Stream<T>. You could do this:
Optional<Other> result =
things.stream()
.map(this::resolve)
.flatMap(o -> o.isPres...
ViewModel Best Practices
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I create what I call a "ViewModel" for each view. I put them in a folder called ViewModels in my MVC Web project. I name them after the controller and action (or view) they represent. So if I need to pass data to the SignUp view on th...
Length of generator output [duplicate]
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There isn't one because you can't do it in the general case - what if you have a lazy infinite generator? For example:
def fib():
a, b = 0, 1
while True:
a, b = b, a + b
yield a
This never terminates but will generate the Fibonacci numbers. You can get as ma...
Changing the selected option of an HTML Select element
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@llihttocs What about now?
– kzh
Sep 22 '14 at 22:38
1
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How to create an array of object literals in a loop?
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what if key need to be more than once ! ['notes'] can occur more than once then what can we do?
– Milson
Nov 5 '15 at 17:01
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