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Rails: How does the respond_to block work?
...pular (Gmail is one). They are very fast and give the end-user a more desktop-like experience on the web. Of course, this is just one advantage of formatting your data.
The Rails 3 way of writing this would be this:
class PostsController < ApplicationController
# GET /posts
# ...
How do I do base64 encoding on iOS?
...
why the hell answers like this are not on top :( , i spent a lot of time processing all the answers above T__T
– Alsh compiler
Jul 3 '16 at 4:33
...
How to get users to read error messages?
...I would argue that people do notice those bright colored strips across the top of a web page indicating, e.g., "you just earned a Good Answer badge." This is not equivalent to the status bar, but it does tell me that the position and background color of an error message are significant factors. Oh, ...
How to print binary tree diagram?
...orithm for this, which handles nicely nodes with different size. It prints top-down using lines.
package alg;
import java.util.ArrayList;
import java.util.List;
/**
* Binary tree printer
*
* @author MightyPork
*/
public class TreePrinter
{
/** Node that can be printed */
public inte...
Detect if the app was launched/opened from a push notification
...xcept the app switcher. 1) When the notification center is pulled from the top and overlays the app 2) When the iOS's panel with wifi/BT/etc is pulled from the bottom and overlays the app. In all three cases just the applicationWillResignActive is called and then the applicationDidBecomeActive. So a...
What's the difference between a Future and a Promise?
...fil the promise, but it can (and in fact in many cases is) done by using a top level loop that polls for changes in external state and resolves whichever promises relate to actions that have finished. Efficiency wise, I have no firm figures for Promises specifically, but note that calling get on an...
How to make links in a TextView clickable?
...n't result in the word google being linked to google.com. It would display www.google.com as link.
– Janusz
Apr 30 '10 at 6:37
...
网站伪静态Rewrite重写中文路径时乱码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个问题下面我们来总结一下我的分析过程。转自：http://www.111cn.net/sys/Windows/55779.htm
一、问题的由来。
URL就是网址，只要上网，就一定会用到。
一般来说，URL只能使用英文字母、阿拉伯数字和某些标点符号，不能使用其他文...
When is it better to use String.Format vs string concatenation?
... surprised at the amount of code required to process the format string. On top of this (I've seen comments regarding the memory consumption), String.Format uses a StringBuilder internally. Here's how:
StringBuilder builder = new StringBuilder(format.Length + (args.Length * 8));
So for every passed...
Why do people say that Ruby is slow? [closed]
...ce the difference between 7ms and 69ms rendering time (esp. when riding on top of 130ms network latency). I DO know that I will notice the difference between 7ms and 700ms, and I will CERTAINLY notice a difference between 7ms and 7s -- but no, not between 7ms and 69ms.
– vladr...