大约有 45,000 项符合查询结果（耗时：0.0660秒） [XML]
Check whether user has a Chrome extension installed
I am in the process of building a Chrome extension, and for the whole thing to work the way I would like it to, I need an external JavaScript script to be able to detect if a user has my extension installed.
...
How to leave a message for a github.com user
...mits. Ensure this is the case by clicking on the "View comparison..." link and make sure the user is listed as one of the committers.
Clone on your local machine the repository they pushed to: git clone https://github.com/..../repository.git
Checkout the branch they pushed to: git checkout [branch]...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
... experience with Java shows that type variables improve code comprehension and make more refactorings possible.
– tgdavies
Nov 4 '10 at 16:52
...
Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?
...ntation is now as there are a number of clean up tasks we need to perform and I can't see a block that we can assign to UIViewControllerTransitionCoordinator in order to be called when 'transition' to a new size finishes. Thanks.
...
How to use a variable inside a regular expression?
...y answer:
raw strings ('r'):
One of the main concepts you have to understand when dealing with special characters in regular expressions is to distinguish between string literals and the regular expression itself. It is very well explained here:
In short:
Let's say instead of finding a word bou...
What techniques can be used to speed up C++ compilation times?
...rated binary sizes.
Changing visibility options
In newer compilers you can select your symbols to be either visible or invisible in the Dynamic Shared Objects (DSOs). Ideally, changing the visibility can improve compiler performance, link time optimizations (LTOs), and generated binary sizes. If yo...
What's the best practice for primary keys in tables?
...signing tables, I've developed a habit of having one column that is unique and that I make the primary key. This is achieved in three ways depending on requirements:
...
How to remove element from array in forEach loop?
... element in an array in a forEach loop, but am having trouble with the standard solutions I've seen.
7 Answers
...
Using “Object.create” instead of “new”
...xist, if you call again this method on an existing object instance, the id and name properties will change.
Object.create lets you initialize object properties using its second argument, e.g.:
var userB = {
sayHello: function() {
console.log('Hello '+ this.name);
}
};
var bob = Object.cre...
Adding attribute in jQuery
...ttr('name', 'value');
However, for DOM properties like checked, disabled and readonly, the proper way to do this (as of JQuery 1.6) is to use prop.
$('#someid').prop('disabled', true);
share
|
i...