从简单的StringRequest入手看看Volley的工作机制. 先简单说下Volley的用法: ① 获取一个RequestQueue mRequestQueue = Volley.newRequestQueue(this); ② 构造一个StringRequest对象 mStringRequest = new StringRequest(url, new Response.Listener<String>() { @Override public void onResponse(Strin…
The Exceptional Performance team has identified a number of best practices for making web pages fast. The list includes 35 best practices divided into 7 categories. Looking to optimize your mobile app experience? Check out Flurry Analytics. Filter by…
参考地址:http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.5 10 Status Code Definitions Each Status-Code is described below, including a description of which method(s) it can follow and any metainformation required in the response. 10.1…
Network Working Group R. Fielding Request for Comments: 2616 UC Irvine Obsoletes: 2068 J. Gettys Category: Standards Track Compaq/W3C J. Mogul Compaq H. Frystyk W3C/MIT L. Masinter Xerox P. Leach Microsoft T. Berners-Lee W3C/MIT June 1999 Hypertext T…
PHP header()the function declaration: void header ( string string [, bool replace [, int http_response_code]])The optional replace parameter indicates whether the header should replace a previous similar header, or add a second header of the same typ…
3xx Redirection This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection.[20] A user agent may carry out the additional action with no user interaction…
part of Hypertext Transfer Protocol -- HTTP/1.1RFC 2616 Fielding, et al. 10 Status Code Definitions Each Status-Code is described below, including a description of which method(s) it can follow and any metainformation(元信息) required in the response. 1…
原文:http://developer.yahoo.com/performance/rules.html 提升网站加载速度的一些优化技巧,大部分在前端层面. 不知道是多久以前写的,看起来有些已经过时了? ==== The Exceptional Performance team has identified a number of best practices for making web pages fast. The list includes 35 best practices divid…
public FileStreamResult StreamUploadedSongs(int id) { byte[] song = db.UploadedSongs.Where(x => x.Id == id).FirstOrDefault().SongBytes; long fSize = song.Length; ; ; ; if ((Request.Headers["Range"] != null)) { //Get the actual byte range from…
part of Hypertext Transfer Protocol -- HTTP/1.1RFC 2616 Fielding, et al. 10 Status Code Definitions Each Status-Code is described below, including a description of which method(s) it can follow and any metainformation required in the response. 10.1 I…