transmitted through an unreliable service (packet)-no transmission guarantees, no failure notifications. Because of this, you often find that someone is using unreliable (unreliable) to replace the user in the official UDP definition, which we can understand as "unreliable datagram protocol." This is also why UDP packets are generally or more accurately referred to as datagrams (Datagram).One of the most famous of UDP is also the application that all browsers and Web applications depend on is t
Ajax learning notes --- Three Ajax implementation methods [recommended], ajax --- 3
Ajax: Asynchronous JavaScript and Xml, Asynchronous js scripts and xml, which are often used to implement partial Asynchronous page refresh, which is of great help to improve user experience. xml is advantageous in multiple languages, but Ajax uses Json objects rather than Xml to process data.
(1) Ajax history... understanding knowledge
Ajax belongs to Web Front-end de
Localstorage and sessionstorage usage records (recommended), sessionlocalstorage
By reading the Usage Analysis of locastorage and sessionstorage on web storage, I tried it myself and made a note here.
If a project uses storage for many times and stores a lot of data, it should be encapsulated into a function:
(This function is written by an unknown great god. If there is any violation of originality, please contact me ......)
Function setStorage (key,
careful when setting, the current object's Z-index set to 1 is not good, in Firefox it will not be able to display (note, not to say that the browser is wrong, but refers to if the parent object is the root element body, Then Z-index is invalid, any z-index settings will not be displayed after the root element, in addition to IE's resolution bug, thank #19 hint), must be set to more than 0, if we want to let other objects block it, only the other obj
Let's look at some basic concepts first.
One, PHP script and dynamic page.
PHP script is a server-side scripting, can be embedded and other methods and HTML files mixed, but also class, function encapsulation, such as the form of templates to the user request processing. In any way, the rationale for it is this. The client requests a page-----> Web server to introduce the specified script for processing-----> script is loaded into the server-----> The PHP parser specified by the server parses th
same as the built-in defaults (which is to say that if the php.ini
; is not used or you have deleted these lines, the default value is the same.
; Language Options;
Engine = On
; Make PHP scripting language engine (PHP scripting language Engine) valid under Apache.
Short_open_tag = On
; Let's do it. Identification (this simple representation). Otherwise only Asp_tags = Off
; Allow Asp-style Precision = 14
; Number of significant digits when the number of floating-point types is displayed
Solutions for Chinese Garbled text (recommended) and Chinese Garbled text
First, describe my special circumstances:
1. In front-end jsp, I used form post requests and set enctype = "multipart/form-data". The page encoding formats are UTF-8.
2. In the background, I am using the commons-fileUpload component. ServletFileUpload parses form forms and files,
3. Set request. setCharacterEncoding ("UTF-8 ");
4. Set ServletFileUpload. setHeaderEncoding ("UTF-8
This article describes how to use a Python chatbot to recommend Python libraries or open-source projects for Chinese word segmentation, data mining, and AI. For more information, see
# Wiki/1514.html "target =" _ blank "> What are Python chatbots recommended for Chinese word segmentation, data mining, and AI Python libraries or open-source projects?
Accuracy Test (online test is provided using the corresponding project, and user-defined dictionary is
tool that lets users know how many users are accessing a site from different locations at the same time. He also analyzed how quickly the site was loaded from the server. When you enter the URL, notice that you see the page load time. He will use 50 concurrent users in different locations to test the speed and upload time of a website. Thanks to his ease of use, he is now widely used around the world.
Browser Mob This is also a very important too
GBK4SUBL this allows sublime text 3 to support GBK encoded plugins.Plugin Download: Https://github.com/jeewood/gbk4sublTradsim Chinese Traditional font and simplified character conversionTradsim is a Chinese font and simplified characters to convert to and from each other plug-in, only support UTF-8 code, although feel a little chicken, but still introduced to the needs of friends, install plug-ins, because there is no shortcut key files in the package, so we can customize one, You can create a
1. the following method is recommended by the father of jquery to add and remove events.Java code
/*
* OBJ: the object to bind the event
* Type indicates the event type, such as "click", "LOAD", "Submit", and "Mouseover ".
* FN function name
*/
Function addevent (OBJ, type, FN)
{
If(Obj. attachevent)
{
OBJ ['E'+ Type + FN] = FN;
OBJ [type + FN] = function ()
{
OBJ ['E'+ Type + FN] (window. Event );
}
OBJ. attachevent ('On'+ Type, OBJ [
Q: I encountered a problem after I upgraded IE8/IE9 to IE8/IE9. The Favorites bar under the browser's address bar often displays "suggested websites" automatically. After each deletion, I restarted the IE browser, as shown in the following figure, how can we completely delete the recommended website?A: Windows Search is integrated in IE browsers. Ge
JQuery 1.9 removed the $. browser alternative, jquery. browser.
$. Browser uses regular expressions to match userAgent to determine the browser version and type. jquery has been declared in the jquery1.3.2 document. browser and jquery. b
Example: suggestions or books on responsive web design. Example: suggestions or books on responsive web design. Reply content: I will extract four keywords from your question
Html5 webapp learn their books or suggestions in a responsive manner
1. html5 itself is a category...
2. webapp should be built together with css + html + javascript ~ Of course, css3 and html5.
3. Responsive. This is another concept... read the articles recommended by winter and
Summary of Form Technology in JavaScript (recommended), javascriptform
Here, we will not perform complicated background verification and JavaScript Regular Expressions. We will simply introduce this technology, simply receive and jump to the background, and you will probably know how to verify it. I will continue to write blogs for specific technologies later. I am still learning.
Form Verification 1-simple verification
For simple verification, the us
Several PHP server architectures are strongly recommended !!! I found a good article and introduced in detail several architectures of the current PHP Server. I specially reprinted it. I strongly recommend it !!? Nginx + PHP + PHP-FPM (FastCGI) on Ubuntu installation and configuration reprint please indicate the original link: blog. csdn. netomohearchive20090737933 PHP server of several architectures, strongly rec
This article is an example of how JS determines the browser version and the browser kernel. Share to everyone for your reference. The implementation methods are as follows:
Copy Code code as follows:
if (!browser.ie !browser.mac) {
var UA = Navigator.userAgent.toLowerCase (). toString ();
To determine if the IE kernel is not a version of IE
if ((Ua.indexof (' 360ee ') >-1) | | (Ua.indexof ('
1. js Method/*judging the browser name and version can only be judged: ie/firefox/chrome/opera/safari2012 May 16 23:47:08 browser kernel ua:ua; browser kernel name: nv.name; browser kernel version: nv.version; browser shell name: Nv.shell;*/varNV = {};varUA =navigator.userAg
Determine whether the browser is closed or refreshed (ultra-accurate) based on JavaScript. The javascript Browser
This article is a summary of some of the core content, I personally feel helpful to everyone, the specific content can be seen below:
Only onload is executed when the page is loaded.When the page is closed, only onunload is executed.When the page is refreshed, execute onbeforeunload first, then
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