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How to mock localStorage in JavaScript unit tests?
...Each(function () {
var store = {};
spyOn(localStorage, 'getItem').andCallFake(function (key) {
return store[key];
});
spyOn(localStorage, 'setItem').andCallFake(function (key, value) {
return store[key] = value + '';
});
spyOn(localStorage, 'clear').andCallFake(function () {
...
SQL MAX of multiple columns?
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I initially didn't understand VALUE(v) either. If you want to understand VALUE try this query which creates a virtual 1 column table: SELECT * FROM (VALUES (1), (5), (1)) as listOfValues(columnName) And this query which creates a ...
Ruby on Rails: Where to define global constants?
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If your model is really "responsible" for the constants you should stick them there. You can create class methods to access them without creating a new object instance:
class Card < ActiveRecord::Base
def self.colours
['white', 'blue'...
Using success/error/finally/catch with Promises in AngularJS
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Promises are an abstraction over statements that allow us to express ourselves synchronously with asynchronous code. They represent a execution of a one time task.
They also provide exception handling, just like normal code, you can return from a promise or you can throw.
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How does a PreparedStatement avoid or prevent SQL injection?
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Sure, but you can still hardcode some or all of your parameters.
– tangens
Oct 17 '09 at 17:56
16
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What is Ruby's double-colon `::`?
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:: is basically a namespace resolution operator. It allows you to access items in modules, or class-level items in classes. For example, say you had this setup:
module SomeModule
module InnerModule
class MyClass
...
What are the differences between the urllib, urllib2, urllib3 and requests module?
... @PaulBiggar you say this is the best answer. But it does not really answer the question. I came here to find out about differences between urllib and urllib2. Especially about url encoding features. The answer: use requests! ;) Just saying you might want to clarify the question. As it st...
How to initialize/instantiate a custom UIView class with a XIB file in Swift
I have a class called MyClass which is a subclass of UIView , that I want to initialize with a XIB file. I am not sure how to initialize this class with the xib file called View.xib
...
Why is there a `null` value in JavaScript?
In JavaScript, there are two values which basically say 'I don't exist' - undefined and null .
12 Answers
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How can I distinguish whether Switch,Checkbox Value is changed by user or programmatically (includin
...;
If you want to set checked from code without triggering the listener, call myCheckBox.silentlySetChecked(someBoolean) instead of setChecked.
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