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While reading the Web information Architecture , the Nineth chapter talks about Thesaurus, controlled thesaurus and metadata. At that time, the definition in the book was very vague, and the length of the lecture was small, and there was no care and no complete understanding. The concept of metadata is mentioned again in chapter Fourth of the "splendid Blueprint" today. So I looked for some more information seriously understand a bit.
wait time) before it is released and 10 connections remain in the connection pool when no user is connected. In development, the connection pool fatigue error occurs when you use a connection pool without closing the connection (the Close method that invokes the connection). What are the main roles of the data connec
links. You can use visual style to make the interface look more beautiful ; You can study the user and find out what kind of interface to fit their needs and habits fully. But for software designers, the cloud and the data teacher suggest a deeper understanding UI In itself, the only part of the foundation that handy can benefit you a lot. To Learn more about the UI, you can scan the QR code below and lea
When PHP modifies data from MySql, it is only valid for numeric operations, and non-numeric operations are invalid. what should I do ?. Problem Description: use PHP to modify data to the MySql database to add, delete, modify (the database can be correctly connected). after testing, the code can only add, delete, and mo
Copy CodeThe code is as follows: post.phpfunction Post ($host, $port){$host = "127.0.0.1";Establish a connection$conn = Fsockopen ($host, $port);if (! $conn){Die ("Con error");}Send 5 data in a loop//for ($i = 0; $i {$data = "User_name=admin". $i;WriteData ($conn, $host, $data);echo $i. "";}Fclose ($conn);}functio
This is a face-to-face question for today's interview. what I think is simple is to record user data through cookies, and then send it to the server when the webpage is closed. I searched Baidu Statistics online and found GA-relat
Ask for php, a socket expert, and check what type of data format I sent in hexadecimal format, however, when we get to the packet capture tool, we don't know what kind of data format he translated into. in the shadow shown in the figure, we can find php and socket experts in hexadecimal notation, see
How powerful is SQL Server's ability to compress data files? A few days ago, due to problems with customers (in fact, piracy issues ), you can only use the free SQLSERVEREXPRESS version SQLSERVER2005 express version of SQL Server. The data file size of the entire database is limited to 4 GB (SQLSERVER2012express versio
What is the data pattern in the Segmentfault framework? In the http://www.infoq.com/cn/news/2012/09/... Mentioned in the. Reply content: What is the data pattern in the Segmentfault framework? In the http://www.infoq.com/cn/n
. ------------the holy War between XML and JSON may become another jihad since Vim/emacs jihad, Cli/gui Jihad and so on, and all jihad will probably not result, because each side has its own truth, and no one will obey. in my opinion, XML is more suitable for data definition and data storage. Its representation of the data
type. In this way, the data is stored in the client's cookie and can be kept for a longer period of time. Row validation is also required, but there is no security guarantee. About ViewData and viewbag you need a more flexible should be shipped in the program. Because each page moves through the entire life cycle of t
Transferred from: http://blog.csdn.net/kiddy19850221/article/details/6655066What data types are uint8_t/uint16_t/uint32_t/uint64_tIn Nesc's code, you'll see a lot of data types you don't know, such as uint8_t. At first glance, it seems like a new data type, but the C language (Nesc is the extension of C) doesn't seem t
Interface testing is actually difficult to define, I understand that interface testing is not a white box test, but also for the Heihe test. Later, with our development chat, he said that the interface test is actually a part of the white box. Later, with one Ali Big data chat, he said the interface test belongs to (bl
What is the data analysis method on the tall?Huang Chengming Source: Public Number _ Data management (SJHGLWX)Often received some two or three years of graduation friends letter, this is a confused period. They study in the university is
is the volume of the database large and the amount of concurrent data on the website large enough to be called Big Data? Reply content: is the volume of the database large and the amount of concurrent data on the website large enough to be called Big
Before learning about the relationship between silver and non-agricultural data, we must first understand what non-agricultural data is.The so-called non-agricultural data refers to the U.S. non-agricultural employment rate. The three values of non-agricultural employment and unemployment rate usually refer to the U.S.
What is the following data format? What should I do with PHP? Thank you! I: 5; a: 10: {I: 2; a: 2: {s: 2: quot; df quot; s: 1: quot; 0 quot; s: 2: quot; da quot; s: 1: quot; 1 quot;} I: 22; a: 2: {s: 2: quot; df quot; what is
, its value is not necessarily undefined , but usually is the case. What we're saying undefined , 都指的是window.undefined This property.In ES3 (before Firefox4), window.undefined is a normal property, you can completely change its value into arbitrary truth, but in ES5 (after Firefox4), window.undefined a non-writable, no
Ask PHP design for object-oriented design and data accessibility For example, there is a class person There is a database operation class Conn One of the actions in person is to buy a chicken, the chicken information to be put into the database How should I design it? is to
What is the use of SQL Server to compress data files? Prelude: The other day, due to customer problems (in fact, piracy issues), you can only use the free sqlserver Express version. The data file size of the entire database of the Express version of sqlserver is limited
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