How to filter the statistics of high volume user log data?

such as 100W users Now the table is designed like this: Table A is 100W user basic information (UID unique) Uid,name, region, service provider .... Table B Each user has 100 or so data, that is, 100w*100=1 billion data. Each data content

PHP recursion.

Just read the online php recursion, and asked the big God, told me that recursion is to call itself. Didn't understand. Also on Baidu saw the Hanoi tower problem. I know what happened to Hanoi, but I still don't understand recursion. Look at the

How to match HTML tags with multiple attributes with regular matches

All kinds of labels, no rules, mostly or the order of attributes is unclear Like this but there are several kinds of attribute order, but also to get the ID href class three attribute values, stored in \1 \2 \3 (I use the preg_replace,

Ask you a question about SQL.

There is a test database, there is a student table student, there are three fields, Class,name,score, respectively, the class, name, score, Q: Query each class pass number and the number of failed, the output format is class, the number of passing,

PHP Linked Table value problem

Table 1 Table 2 ID ID txt #1, #2, 1 tags 1 2 Tags 2 No, you know what I mean. No, it is the #1 of the ID of table 1, the value #和, the number corresponding to the ID number of table 2, and then get the TXT value of table 2. What is

PHP validates a strange problem with the login cookie, and perhaps everyone is not aware of it. Ask for guidance!

Hello everyone, recently in doing a PHP site nonsense not much to say direct code: Login successfully added Cookie: Setcookie ("User", $Email, Time () +24*60*60); Header ("location:http://website.com/myprofile.php"); Enter page validation Cookie:

And there's a problem. -

$y ';}? > In other words, there seems to be nothing wrong with the above code. -What is the specific reason for this error? Or is it a problem with the PHP server setup? Looking for a master, I am a novice $_POST[C] modified to $_post[' C '],

Ask the question of PHP resource?

This post was last edited by xuzuning on 2014-02-20 10:40:28 PHP Resource "; echo "Return to registration page"; Die (Mysql_free_result ($res). " Connection ". Mysql_close ($conn)); Mysql_free_result ($res);

How does MySQL implement recursive query data?

No stored procedures, no write functions, how to implement? Seek the advice of the great gods ... Reply to discussion (solution) MySQL does not have a with command, so it is not possible to write a function without a stored procedureOnly Oracle

Ask a question about Zend studio.

I have a PHP project that opens in Zend Studio and compiles without problems. But when I debug one of the PHP files with Zend Studio, I get an error that the Web page can't find. Excuse me, what is the reason? What do I need to configure? I am a

PHP Simulation Request page Jump problem

I accessed a page through a mock request a.php Want to implement the function of Automatic request B page in a.php page Want to ask the automatic request function code How to implement? Reply to discussion (solution) View the Curl function

PHP New people to design the next page

I do not know why the picture is always not come up, you charge something to my Space album to see, I have to design the page into the Space album The page is divided into three main parts, Above: inserting a picture; Below On the left: it is

So what is the value of the single and double symbol, and how should the regular write?

This post was last edited by u013670343 on 2014-02-22 21:44:46 Proid: ' 123456789 ', ' Proid ': ' 123456789 ', The first question: How do you want to get a 123456789 compatible with the 2 lines of code? is either take proid: ' 123456789 ', inside

Ask God for help, CI access to restful issues

CI accesses the RESTful service, the service is written in C #, and the data format returned is JSON Interface: Memberservice. Method Login (int a,string b,string c) I found some information on the Internet, the reference to write the results of the

Why are you always giving me the wrong person?

Page hint notice:undefined variable:sql in D:\web\www\cs\login.php on line 8 The code is as follows $username =$_post[' username ']; $password =$_post[' password ']; $password =md5 ($password); Echo $username, $password; Include (' db.php

PHP uploads video and automatically transcoding to FLV function!

Recently do school TV site, want to develop to let students upload their own DV work function, with PHP implementation, transcoding into FLV format, like Youku,tudou, looked for relevant information, found ffmpeg this software seems to be possible

IFrame Popup page, all session missing

The use of Wbox plug-in pop-up IFRAME layer, has been there has been no problem, but recently in the program did not make any changes in the case, suddenly there is a problem, that is, open the IFRAME, login with the settings of the session content

Problems with using the Easyui datagrid in PHP

Region Name Quantity In general, when using the DataGrid, the URL is filled with a PHP file that generates JSON. How do I write this URL if I want to replace it with a JSON-generated method? Reply to

How dynamic Web addresses become static

Make a website is based on PHP dynamic but point open links are index.php?id=12 and the like can use pseudo-static this into index_xx.html thank you Reply to discussion (solution) Of course I can. Starting a. htaccess file within the

How PHP collects the data from the specified tag in the Web page

PHP collection problem, how to collect the source code in the UL tag data, and write to the local database: The other side of the webpage a section of source code as follows:

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