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Why does my application spend 24% of its life doing a null check?
I've got a performance critical binary decision tree, and I'd like to focus this question on a single line of code. The code for the binary tree iterator is below with the results from running performance analysis against it.
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How can I get the URL of the current tab from a Google Chrome extension?
I'm having fun with Google Chrome extension, and I just want to know how can I store the URL of the current tab in a variable?
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Why do we need fibers
... never use directly in application-level code. They are a flow-control primitive which you can use to build other abstractions, which you then use in higher-level code.
Probably the #1 use of fibers in Ruby is to implement Enumerators, which are a core Ruby class in Ruby 1.9. These are incredibly u...
Javascript: How to loop through ALL DOM elements on a page?
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You can pass a * to getElementsByTagName() so that it will return all elements in a page:
var all = document.getElementsByTagName("*");
for (var i=0, max=all.length; i < max; i++) {
// Do something with the element here
}
Note that you could use querySelectorAll(), ...
Render a string in HTML and preserve spaces and linebreaks
...ve a description (retrieved from a db) that has spaces and new lines. When it is rendered the new lines and spaces are ignored by the html. I would like to encode those spaces and new lines so that they aren't ignored.
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Hidden Features of VB.NET?
I have learned quite a bit browsing through Hidden Features
of C# and was surprised when I couldn't find something
similar for VB.NET.
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How are multi-dimensional arrays formatted in memory?
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A static two-dimensional array looks like an array of arrays - it's just laid out contiguously in memory. Arrays are not the same thing as pointers, but because you can often use them pretty much interchangeably it can get confusing sometimes. The compiler keeps track properly, though,...
how to bypass Access-Control-Allow-Origin?
...n server on a platform which they set prevent these ajax calls (but I need it to fetch the data from my server to display retrieved data from my server's database).
My ajax script is working , it can send the data over to my server's php script to allow it to process.
However it cannot get the proce...
Using JQuery - preventing form from submitting
How do I prevent a form from submitting using jquery?
13 Answers
13
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Declaring abstract method in TypeScript
...t, as is the class. You cannot directly instantiate an Animal now, because it is abstract. This is part of TypeScript 1.6, which is now officially live.
abstract class Animal {
constructor(protected name: string) { }
abstract makeSound(input : string) : string;
move(meters) {
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