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Ask me a question about a database statement SELECT `id` , `time` , `title`FROM `think_infor`WHERE `type` LIKE '$k-%'UNION ALLSELECT `id` , `time` , `title`FROM `think_infor2`WHERE `type` LIKE '$k-%'ORDER BY `time` DESCLIMIT 0,6 You can use this statement to query the latest six pieces of information in Tables 1 and 2. But how can I determine which table the record returns? Or is there any other method t

Ask a back-end form editing question: this is a file read from the database cyclically. how can I modify it and the content on the left shows the editing status? (Click edit in the first line, Mr. Zhang appears in the edit box, the second line is edited, and Mr. Chen appears in the edit box...) This is the code I wrote, but I don't know how to modify the corresponding line. Php code While ($ row = mysql_fet

Ask for a question. if the user name exists during registration, it will not be successfully registered. in this case, the user name can still be registered. Script $ (function () {// check whether the user name exists $ ("# name "). blur (function () {// $ parent = $ ("# user_name "). parent (); $. get ("deal. php ", {username: $ (" # name "). val ()}, function (data) {if (data. status = 1) {$ ("# namep" )

Ask a simple PHP question. About the dynamic content of the page! Dynamic settings are required here Dynamic settings are required here Dynamic settings are required hereDynamic settings are required here. dynamic settings are required here. dynamic settings are required here. In the above section, the data obtained from the database needs to be recycled N times. Replace "dynamic settings here" with

Ask a Unicode question, master Please enter! From the API to get an XML, there are Chinese characters and so on, as well as "\ue40a" and "\ue40b" such as identifiers, how can I find these identifiers in the text in PHP? Here's an example: the keyword "dregs cake" on both sides is the two identifiers, but PHP seems to be difficult to deal with this problem Dregs cake-docin.com bean curd Mesh ------S

Question:Sometimes people may wonder why ABC... is on the keyboard of the phone, especially before the birth of the mobile phone. In fact, in addition to sending text messages, these letters are also useful in making phone numbers easy to remember. This is a popular feature in the United States. For example, you can order a pizza from GINO by dialing 310-GINO, GINO corresponds to 4466. Ha, have fun. Now the question is, if you give a phone number such

Ask a silly question. -- Linux general technology-Linux programming and kernel information. The following is a detailed description. PS: I'm not a computer professional. It is indeed because I have been idle and interested in programming recently, so I want to see how the computer works. This problem occurs when I read "write an operating system by myself. At that time, I was excited to write a boot sect

be right? We can cite an example.A:1 3 6 9 11 12 35B:2 4 14 15 17 28 30A+b:1 2 3 4 6 9 11 12 14 15 17K Big is 12, we send small throw away 13 6 9 is safe, why? All we have to do is make sure they're in the top K small. Because when they are in the first k small inside, after we lose them and then in the remaining elements to find the first K/2 small, is not affected. For example above1 2 3 4 6 9 11 12, lose 1 3 6 9to 2 4 11 12, the 4th small of the remaining elements is the original 8th. Why wo

I would like to ask a question about the efficiency of reading data from PHP + MYSQL. I used the WAMP environment to read data using PHP + MYSQL. Why does it take about 3 seconds for the first time. What is the reason? ------ Solution ------------------ learn more about mysql Query cache. could you tell me about the efficiency of reading data from PHP + MYSQL? I use the WAMP environment and use PHP + MYSQL

Ask a question. I don't know how to obtain the title. at that time, there was a php nbsp; file nbsp; for example, 1. php when someone requests this file, this file will be executed nbsp; and then returned to the client after execution. my problem is that when client a accesses this file, 1. nbsp; Q: I don't know how to obtain the title. Just the title party. There is a php file on the server, such as

I want to use PHP to check whether there are more than 50 lines of aa.txt. if there are more than 50 lines of aa.txt, delete all the content below 50 lines. How can this problem be achieved? thank you! --------Resolution --------------------$f_nameaa.txt; if ($ bufsfile ($ f_name ))! FALSE) {if (count ($ bufs gt; ask a simple text processing question I want to use PHP to check if there are more than 50 li

I want to teach you how to use php to call the database output. The purpose is to make a selection range, then query the database through these ranges, and format the output results. However, if the output results are correct, I am confused for a long time. The following is the error section. code PHPcodemysql_query (setnamesgbk, $ conn); mysql_select_db (htc, $ conn); $ countselectcount (*) ask a php to call the database output. The purpose is to mak

Is it difficult to log out? Description: userState (1 is not logged on, 2 is logged on), a login. on the php page, after logging in successfully (saving the COOKIE or SESSION), modify the userState (user status) in the database nbsp; 2. if the user clicks cancel (clear COOKIE or SESSION), then modify userState nbsp; nb in the database to ask a difficult cancellation question? Note: UserState (1 is not lo

I want to ask a question about refreshing images. I am working on a "like" rating function like the beautiful saying jQuery + Ajax + PHP, now, the number of images you like has changed. When you click a color image, the image turns to another gray, and the number is increased by 1. When a gray image is clicked, the number is reduced by 1, and the image is colored. Currently, most of the functions have b

Ask a question about how to export data in PHPExcel on a small website developed on the local machine, use PHPExcel to export data to excel, the test is normal. But when I copy all the programs to the server, the problem arises. Originally, the data could be imported and the data could not be exported. The key is that the save file dialog box does not pop up and the data is directly output to the webpage. I

Ask a multi-dimensional array recursive lookup question about a data table with an Infinitus category I classify data tables and generate multi-dimensional arrays for saving. Function getkind ($ id) { If(file_exists(%_g%'cache'%.'kindcache.txt ') // determines whether the category cache exists $ Str = unserialize(file_get_contents(pai_gw.'cache'{.'kindcache.txt ')); Else $ Str = $ cache-> outkindcache (0);

I don't know much about php. I 'd like to ask a question about wordpress. This code reports an error Error reported on the page: Fatal error: Call to undefined function wp_list_cats () in D: \ phpnow \ htdocs \ mulan \ wp-content \ themes \ muse \ blog. php on line 48 The wp_list_pages () function is not defined. You want to write templates using html css javascript. When index. php is linked to blog.

Ask a question about php + mysql to query data in a table with the condition uid in (, 3 ). Then, all the values that meet uid = 1, 2, or 3 are queried. How can we get only one entry per condition? For example, if the uid is 1, 2, and 3 respectively, you can use SQL to query only the first entry of uid 1, the first entry of uid 2, and the first entry of uid 3. Reply to discussion (solution) First, you

Topic:Sum of squares and cubic andTime limit:2000/1000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 108212 Accepted Submission (s): 34915Problem description Given a continuous number of integers, the sum of all the even squares of all of them, and all the odd cubes.Input data contains multiple sets of test instances, each containing a row consisting of two integers m and N.Output for each set of input data, one line should consist of two integers x and y, repr

Ask a question about calling the DLL compiled under VC ??? Strange. Delphi/Windows SDK/API Http://www.delphi2007.net/DelphiBase/html/delphi_20061220075845111.html Interface Function Definition: Extern "C" dllexport int pcfilecopytoother (char disk, Lpcstr pcfilename, Lpcstr otherfilename, Bool isdispprogress, Lpcstr message) I introduced the following in Delphi: Function pcfilecopytoother (Disk: byte; pcfil