Download and installation of Apache server

Install HTTP Server ... Still encountered a few problems, good luck have found a way to recordBasic downloads and operations: 77116030The above link is more detailed, tell me about some of the problems I have1. Input:

Draw concentric circles with html+css (concentric circles)--Absolute layout

First, CSS Draw circle1 2 {3 width: 300px; 4 height: 300px; 5 background-color: #000000; 6 border-radius: 300px; 7 }Key1. Width = height is equivalent to drawing a square2, Border-radius > 0.5*width (border-radius: Fillet

CSS Learning Note 1

CSS Learning NotesCSSCSS is very difficult to chew the day to learn a little, or more hands-on, to make the effect is more motivated OK notes to start, notes just for yourself to tidy up ideas, and write some important points of knowledge, not face

How to save a Web page as a PDF file

Isn't it just the Chrome print feature and then save it as a PDF? For some simple structure, such as RFC, the operation is generally not a problem, for some of the floating elements of the page is not good to say, you must first use Chrome's review

How fast is Nodejs?

I heard that Nodejs is suitable for high concurrency scenarios and has been trying to test but didn't find a chanceThese days the new system to go online, the old system of data needs to be cut into the new systemDue to the large amount of data, the

Write custom middleware in ASP.

First, what is middleware? Microsoft Official Explanation: HTTPS://DOCS.MICROSOFT.COM/ZH-CN/ASPNET/CORE/FUNDAMENTALS/MIDDLEWARE/?TABS=ASPNETCORE2XThat is, we need to inject a middle layer into the request pipeline of the entire application to do

Initial knowledge of HTTP

HTTP is the common language used in modern global Internet. Web browsers, servers, and related Web applications all communicate with each other through HTTP.This article provides a brief introduction to how Web applications communicate using HTTP.

Website content JS settings prohibit copying, prohibit selection

1. Disable right-click and copyMethod 1:Add the following code to the Web page:Copy the code code as follows:Method 2:Add the following code to the :OrIn essence, Method 2 is the same as Method 1.Method 3:If you only restrict replication, you can

[BZOJ1570] [JSOI2008] Blue Mary's Trip

BzojSolEvery day in each city to build a point, how to connect the edge, each time only need to run the last residual network on the maximum flow, so the complexity is not too high.Code#include #include #include #include using namespaceStdintGI ()

. NET WCF WF4.5 state machine, bookmarks and persistence

Want to see the source code please directly to the end, using the way such asIf you need multiple bookmarks at the same time to create bookmarks directly in the desired location, you will be considered the same instance.If the desired effect is to

Countdown JS Small Example

00000000 function Lefttimer (year,month,day,hour,minute,second) {var lefttime = (new Date (Year,month-1,day,hour,minute,second) )-(New Date ()); Calculates the number of milliseconds left//alert (lefttime); var days = parseint (lefttime/1000/60/60

. NET time Format

April 24, 2007This. Textbox6.text = System.DateTime.Now.ToString ("D");2007-4-24This. Textbox7.text = System.DateTime.Now.ToString ("D");April 24, 2007 16:30:15This. Textbox8.text = System.DateTime.Now.ToString ("F");April 24, 2007 16:30This.

PHP Paging Code

Include ("connection.php");$perNumber = 10; The number of records displayed per page$page =$_get[' page '; Get the current page value$count =mysql_query ("SELECT count (*) from user"); Total Records obtained$rs =mysql_fetch_array

Js+css Imitation Typing effect

1. Effects2. Source code@ Page ContentType="Text/html;charset=utf-8"language="Java" %>HTML>Head> styletype= "Text/css">#myDiv{Display:Inline-block;width:500px;Height:300px;Background-color:Rgba (0,0,0,0.3);Color:Hsla

jquery Gets the content between <div></div>. Text () and. HTML () differences

JQuery gets the content between the Div, there are two methods, $ (selector). Text (), $ (selector). HTML ().Html: Div > P >Testp>div>$ ("div"). Text () Gets the test, which is the plain text of the Div, and automatically ignores the HTML tag.$

CSS refactoring style sheet performance tuning

1 Refactoring and Architecture:Refactoring: Refactoring is the rewriting of code without changing the behavior of the codeSoftware Architecture: Excellent architecture improves code reuseWhy refactoring is neededUnder what circumstances should the

Json.parse and Json.stringify

1.json.parse parsing objects in a stringvar strobj= ' {' id ': ' 1 ', ' title ': ' Json.parse '} ';Json.parse (strobj)------{ID: "1", Title: "Json.parse"}Attention:The data format of the string must be a double quote ' {' id ': ' 1 ', ' title ': '

AngularJS Ng-click Event Click Invalid

Public number development Call upload image interface, need to append a piece of HTML code, div ng-click event clicked invalid1. html to append in var  html =  ""    2, compile the above contents $compile   copy var   $html  =  $compile

The fluid characteristics and BFC of CSS

1. Fluid characteristicsBlock-level elements automatically fill the entire parent container by default, and the actual content area automatically changes when Margin,padding,border is addedWith this feature, multi-column layouts with known widths

thinkphp System Flow

Flow chart:Reference URL: http://www.thinkphp.cn/topic/35803.html1 User URL Request2Invokes the application portal file (usually the site's index.php)3Load the framework entry file (thinkphp.php)4 record initial run time and memory overhead5 system

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