TCP HTTP UDP:is the communication protocol, that is, the rules of communication, only the two parties in accordance with this rule "speak", the other party can understand or serve.The relationship between TCP HTTP UDP three:TCP/IP is a protocol
If the following problem occurs:[Email protected] ~]# ifconfigBash:ifconfig:command not found ...[Email protected] ~]#[Email protected] ~]# netstatBash:netstat:command not found ...[Email protected] ~]#Using provides to search for dependent
Multiple HTTP requests and responses can be delivered in the same TCP connection.Multiple requests and responses can overlap, and multiple requests and responses can be made concurrently.More request headers and response headers (such as HTTP1.0
Linunx (this time for Ubuntu) apache!The number of connections in theory is, of course, the larger the better, but within the capabilities of the server, this is related to the server's CPU, memory, bandwidth, and so on.To view the current number of
1 before the Django installation (http://www.maiziedu.com/course/others/307-3024/) , we want to make sure that python The software has been installed and is installed by default in Ubuntu. We just need to install Django , unzip the Django Archive,
In the project will always encounter some priority issues on the load, but also recently encountered similar, so they find the summary of the next, some of the following are reproduced other people, after all, they write good, they do not repeat the
Different recognizers use different logic to implement custom touch-screen events, such as Tap, Pinch, and so on, based on the event objects and events obtained from the relevant input class.I. The relationship of successionRecognizer, like the
PHP supports 8 types of raw data.Four scalar types: Boolean (Boolean), Integer (integer), float (floating-point, also known as Double), string (string).Two types of Conformance: Array (array), objectTwo special types: resource (Resource), NULL (no
table Interlaced background and highlight current row 10 (+/--) 0 100 100 + + lt;/td> < ;td> 100 & lt;/td> Use jquery to achieve table interlacing and highlighting when moving
JS Object Copy--JS number type and string type are not address references, but re-create the object copy value;var a = 1;var B = A;b = 2;alert (a);Results: 1var c = "abc";var d = c;D = "Def";alert (c);Result: ABCOnly the object type is the address
Mkdir/data/wwwCd/data/wwwwget Http://download.comsenz.com/DiscuzX/3.2/Discuz_X3.2_SC_GBK.zipUnzip Discuz_x3.2_sc_gbk.zipThe program is under upload.MV upload/*./(Remove all of the following files)RM-RF Readme/utility/upload/discuz_x3.2_sc_gbk.zip
① Open DREAMW The beginning of new HTML is displayed as follows Testing It can be preceded by a logo with a small icon--1, Tag language <> presentation2, in pairs appear, the contents of general structure body appear in the Page end tab--②body
HTML5 adds a lot of semantic tags, a typical HTML5 page structure can be arranged as followsFirst, use Case 1. Head--header and NAV labelsHeader head, the body under the direct sub-element header is generally used to put pages of introductory
HTML5 new drag-and-drop supports only Internet Explorer 9, Firefox, Opera 12, Chrome, and Safari 5 support drag and drop.To an example: class="Dragdiv"> I was going to drag class="Dragdiv"> I am a second Please drag and drop
Text description page between and The text between and is visible in the page contentThe HTML title (Heading) is defined by tags such as -.The text between and is displayed as a title (PS: It is also a sin to think that it is a line)The HTML
23 Meta data (metadata)FFmpeg is able to extract media file metadata and dump it into a simple Utf-8 encoded class INI text file and use it again in the splitter/mixerThe file format for the dump is:
The file contains a header, along with some
Learn Extjs5 with me. (19--module record drag-and-drop deletion, drag-and-drop replication new)Web page drag and drop (Drag-drop) is a more interesting operation, EXTJS5 in a very good package of drag-and-drop action, there are various classes to
arguments:[function.] Arguments[n] parameter function: option. The name of the Function object that is currently executing.N: Option, the 0-based parameter value index to pass to the Function object.Description arguments: A hidden object that was
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