大约有 22,536 项符合查询结果（耗时：0.0336秒） [XML]
How do I write good/correct package __init__.py files
...- it helps guide import statements without automatically importing modules
http://docs.python.org/tutorial/modules.html#importing-from-a-package
using __all__ and import * is redundant, only __all__ is needed
I think one of the most powerful reasons to use import * in an __init__.py to import pack...
What's the fastest way to loop through an array in JavaScript?
...
After performing this test with most modern browsers:
https://jsben.ch/wY5fo
Currently, the fastest form of loop (and in my opinion the most syntactically obvious).
A standard for-loop with length caching
var i = 0, len = myArray.length;
while (i < len) {
// y...
Why is arr = [] faster than arr = new Array?
...y or
maintain the correct order of arguments passed to functions, etc.
http://www.dyn-web.com/tutorials/obj_lit.php
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Backbone.View “el” confusion
...d as well, and so for other people that get here, this fiddle might help - http://jsfiddle.net/hRndn/2/
var MyView = Backbone.View.extend({
events: {
"click .btn" : "sayHello",
},
sayHello : function() {
alert("Hello");
},
render : function() {
this.$...
How do I add a tool tip to a span element?
...l show as a tooltip">Mouse over for a tooltip!</span>
<a href="http://www.stackoverflow.com" title="Link to stackoverflow.com">stackoverflow.com</a>
<img src="something.png" alt="Something" title="Something">
All of those will render tooltips in most every browser.
...
What is Android keystore file, and what is it used for?
...ion about the signing process on the official Android documentation here : http://developer.android.com/guide/publishing/app-signing.html
Yes, you can sign several applications with the same keystore. But you must remember one important thing : if you publish an app on the Play Store, you have to s...
Disabling browser print options (headers, footers, margins) from page?
...enables some formatting that applies only to paged media (like paper). See http://www.w3.org/TR/1998/REC-CSS2-19980512/page.html.
Downside is that behavior in different browsers is not consistent. Safari still does not support setting printer page margin at all, but all the other major browsers now ...
Can jQuery get all CSS styles associated with an element?
...ct.js:
/*
* getStyleObject Plugin for jQuery JavaScript Library
* From: http://upshots.org/?p=112
*/
(function($){
$.fn.getStyleObject = function(){
var dom = this.get(0);
var style;
var returns = {};
if(window.getComputedStyle){
var camelize = fu...
How to optimize for-comprehensions and loops in Scala?
... the Scala team is working on improving for performance in simple cases:
http://groups.google.com/group/scala-user/browse_thread/thread/86adb44d72ef4498
http://groups.google.com/group/scala-language/browse_thread/thread/94740a10205dddd2
Here is the issue in the bug tracker:
https://issues.scala-...
What's the best online payment processing solution? [closed]
...
http://www.authorize.net/ works well. This type of solution would allow your customer to enter his/her credit card directly.
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