FTP Server FTP command
The main operations of FTP are based on a variety of commands. The common commands are:
Sets the transfer mode, which includes Ascⅱ (text) and binary binary mode;
Directory operations, changing or displaying the current
Java support for multithreading and synchronization mechanism by popular, it seems that the use of the Synchronized keyword can easily solve the problem of multithreading shared data synchronization. What's going on? --also have to synchronized the
Program
Blink of an eye a year again, oneself again old one year old, depressed ah. Take advantage of some Zhong Cai New year, and quickly send a few more articles to add something to the past year.
The program is found from the Internet and is a
Tips//Refresh the unchanged text box
//Access to the Clipboard (1) Drag and drop accessEvent.dataTransfer.setData ("URL", OIMAGE.SRC);Simageurl = Event.dataTransfer.getData ("URL")(2) Ordinary visitWindow.clipboardData.setData ("Text",
Create | dynamic | check box in the user interface design, the checkbox group is not as popular as its own-multiline selection box. They basically do the same thing, which is to select a set of options mapped to a single name property. When used in
cookie| process as we know, in the network vocabulary, cookies are a special information, although only the server on the user's computer in a text file, but due to its unusual content (and the server has a certain degree of reciprocity, and often
Algorithm
It is often asked why the MD5 algorithm has some program fragments that return full numeric results and some return a mixed string of numbers and letters.
In fact, two return results just because of the different display of encryption
Author: Javaduke (www.dukejava.com)
(1) The first letter of the class name should be capitalized. The first letter of the field, method, and object (handle) should be lowercase. For all identifiers, all the words that are contained should be close
Programming | Chinese Characters | solving | problems
Analysis and solution of Chinese character problem in Java programming technology
De Minghui
Freelance writer
November 8, 2000
content:The common
String
Public String (byte[] bytes,
String enc)
Throws Unsupportedencodingexception
Construct a new String by converting the specified array of bytes using the specified character. The length of the new String is a function of the encoding, and
server| Array
Recently has been doing DNN module development, the process encountered such a problem, you need to insert n data, do not want to control in the program, but the SQL sever does not support array parameters. So it's only a workaround.
Server
Powerleader PR1700G2 Server is a member of the 7 Series, capable of web, Email, FTP, File, cache, messaging, multimedia, proxy host, search engine, security, virtual Private network (VPN), IP voice (VOIP), network hosting and other
Javascript
In-site search with JavaScript is not only programmed to implement, maintenance is very simple, and it can be directly executed in the client browser, without the support of the server, you can save the script to execute permission space
Article Introduction: use Minify to optimize the performance of the site to merge multiple CSS or JS files.
Minify is the use of PHP5 development, by following some of Yahoo's optimization rules to improve the performance of the site. It
Article Introduction: the array in JavaScript.
Array is a commonly used type in JavaScript, and arrays in JavaScript are quite different from arrays in other languages. The data types that are stored in an array in JavaScript are not
Article Introduction: the ordering of arrays in JavaScript.
JavaScript provides the sort () method and the reverse () method so that we can simply sort and reverse the array. which
If you do not specify a comparison function in the sort
Article Introduction: ECMAScript supports regular expressions by RegExp types.
ECMAScript supports regular expressions by RegExp types.
var expression =/pattern/flags;
the pattern part can be any simple, complex regular
--Identification number verification-support for new X ID cardfunction Isidcardno (num){var Factorarr = new Array (7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2,1);var error;var vararray = new Array ();var intvalue;var lngproduct = 0;var intcheckdigit;var
The principle of the dynamic Drop-down list is actually very simple, when a pull list triggers the onchange event, and then use Ajax in the background to the server asynchronously request data, and finally the server returned to the data after
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