404, 500, 502 and other HTTP status code introduction

Label:basically covers all the issuesInvalid HTTP 400– requestHTTP 401.1– not authorized: Logon failedHTTP 401.2– not authorized: Login failed due to server configuration problemHTTP 401.3–acl prohibit access to resourcesHTTP 401.4– not authorized:

Error in JSP configuration item deployment failure on Tomcat 6.x. Could not copy all resources to

Label: Transferred from: http://www.2cto.com/kf/201201/116853.html Today in the online deployment of the project at the time of the problem Tomcat has been deployed not on the Internet to check the reasons for a note for everyone to

Build a fault with PHP installed in lamp

Tags: Installing the lamp in the installation of PHP encountered failureApache encounters a fault with PHPAn error occurred while starting Apache:/usr/local/apache2/bin/apachectl-tah00526:syntax error on line 367 Of/usr/local/apache2/conf/httpd.conf:

The implementation mechanism of WEB worker in WebKit

Label:Web worker is a JavaScript that executes in the background, independent of other scripts. Does not affect the performance of the page. This is a standard for HTML5; The browser initiates a new thread for Wokrer, which realizes the function of

CSS3 round corners and gradients 2 common functions

Label:CSS3 Round angle Explanation: Presumably everyone for the picture, the background round angle, are not unfamiliar with it,Fillet syntax: Border-radius: Rounded corner value;This value can be used: EM, ex,pt,px, percent;Border-radius is almost

thinkphp Frame One

Label:1.1 Concept of the frameworkThe framework is actually a collection of reusable code, the framework code is the framework of the Code, not the business logic code, framework code protection class. Methods. Functions and so on, the framework

-webkit-tap-highlight-color's understanding

Label:(a)-webkit-tap-highlight-colorThis property is only available for iOS (iphone and ipad). When you click on a link or a clickable element defined by JavaScript, it will appear with a translucent gray background. To reset this performance, you

SOAP request by Afnetworking2. x/3.x

Label:For 2.X reference http://jiapumin.iteye.com/blog/21093781Afhttprequestoperationmanager *manager =[Afhttprequestoperationmanager manager];2Manager.responseserializer =[[Afhttpresponseserializer alloc] init];3[Manager.requestserializer SetValue:@

CENTOS7 Installation configuration PHP

Label:First, installation PreparationFirst, because some PHP modules rely on some LIB libraries, you must install these LIB libraries before you install PHP.Installing LIBXML2Specific download link can go to http://xmlsoft.org/downloads.html query#

NETTY Encoder Introduction

Label:1. Background 1.1. Coding and decoding technologyOften we also get used to calling encoding (Encode) serialization (serialization), which serializes objects into byte arrays for network transmission, data persistence, or other

About ANGULARJS automatically escaping HTML tags when binding data

Label:Tortured for two days, and finally found that the answer is so simple, but the hard work is worth it, after all, in order to understand this and learn more code.Angularjs in the data binding by default will be in the form of text output, that

Prevent clicking the backspace key to make the page rewind the instance code

Label:Prevent clicking the backspace key to make the page rewind the Instance code:Some friends who often use the editor may encounter this phenomenon, when the use of BACKSPACE backspace delete text, and did not achieve this effect, but to make the

HTML5 Enhanced page elements

Label:I. Types of HTML5 modified input elements1.<input type= "number" id= "NUM1" >var n1 = document.getElementById ("Num1"). Valueasnumber;Vii. HTML5 Enhanced page elements1.figure, FigcaptionThe <figure> tag provides separate streaming

HTTP status codes (various error code collections)

Label:HTTP status codes (various error code collections)Continue the initial request has been accepted and the customer should continue to send the remainder of the request. (HTTP 1.1 new)101 Switching Protocols Server translates the client's

CSS implementation of the mouse through the link to switch background image instance code

Label:CSS implementation of the mouse through the link to switch background image instance code:Many navigation bar has this effect, when the mouse is sliding over the time to achieve the background image of the switch, is a better effect, it is

WebSphere Performance Settings and daily maintenance (reprint)

Label:First, confirm whether disk space meets the requirements1, the WebSphere application server's own code occupies space. This space is generally around 1G, with a slight difference on different system platforms.2. The space occupied by the

Using PHP to write a mapreduce program for Hadoop

Label:Using PHP to write a mapreduce program for HadoopHadoop itself is written in Java, so to write MapReduce for Hadoop, people naturally think of JavaBut there's a contrib in Hadoop called Hadoop streaming, a gadget that provides streaming

10 Very useful AngularJS frames

Tags: Angularjs is the most popular open source web App framework. Angularjs is used to address the challenges that hinder the development of single-page applications. You as a angularjs user, but do not know some can help you beautify the coding

PHP Performance Analysis Third: Performance tuning combat

Label:Note: This article is the third of our series of PHP performance analysis, click here to read PHP performance analysis first: Xhprof & Xhgui Introduction, or PHP performance analysis second: In-depth study of Xhgui.In the first chapter of

PHP image scaling, cropping and compression

Label:Google pagespeed Insights can score page load speed and give optimization suggestions Simply put, the picture is optimized using the right size picture (zoom, crop), compress the picture Only Jpng and PNG two image formats are introduced here

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