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Empty MYSQL table PHP-PDO insert data always prompts duplicate

[10-Nov-201413: 26: 31 AsiaShanghai] PHPFatalerror: Success & #039; PDOException & #039; withmessage & #039; SQLSTATE [23000]: Success: 1062 Duplicateentry & #039; o5z0Cj3s-fIVcmUnfbA0cc & #039 ;... [10-Nov-2014 13:26:31 Asia/Shanghai] PHP Fatal

Questions about multiple middleware in laravel

When I checked the source code in tipask, I found that the routing definition was not easy to understand. ask your friends: This is the routing code: {code ...} I have a question: does it mean that multiple middleware definitions in laravel need to

How can I use thinkphp to split tables?

How to use thinkphp table sharding I preset 10 tables: table_1, table_2, and table_3table_10 with partition: protected $ partition = array (& 039; field & 039; = & gt; & 039; id & 039;, & 039 ThinkphpHow to use table sharding I preset 10 tables:

The three-group function summary I confused in PHP (htmlentities,html_entity_decode,addslashes)

I. htmlentities () and Htmlspecialchars () 1, Htmlentities () 1.1 Features: Converts characters to HTML entities. Characters include ASCII entities and ISO 8859-1 entities (HTML entity tables: http://www.w3school.com.cn/tags/html_ref_entities.html) 1

SAP NetWeaver TH_GREP module code injection vulnerability

Release date: 2011-11-11Updated on: 2011-11-23 Affected Systems:SAP NetWeaverDescription:--------------------------------------------------------------------------------SAP NetWeaver is the integrated technology platform of SAP and the technical

Javascript-Pythonrsa Encryption

Originally, jsencrypt was used in HTML for encryption: varencryptnewJSEncrypt (); {code ...} to use the Python Library rsa for the same encryption: name & #039; Adam_LBQ & #039; # input1password & #039; 123456 & #039; # input2 my implementation code:

In php, why is 0 = 'abc' true?

0 & #039; & #039; I understand it when it was founded. 0 & #039; abc & #039; I don't understand it when it was founded. Please kindly advise! 0 = ''is true. I understand, 0 = 'abc' is also set up and you will not understand it. Please advise!

A php query Problem

$ A & #039; fdsfd4352 Lin fengjiao arongsuo danfu of pepper & #039; $ B & #039; Su & #039; how can I find his 12th $ a = 'lin fengjiao arongsuo danfu shares fds of spicy fdsfd4352 pepper '; $ B = 'su' how can I find that he has 12th Reply

How does javascript-php parse the DOM like javascript?

Js is generated for html. For example, I want to verify {code ...} if jquery is used, alert ($ (& #039; # demo_div & #039 ;). attr (& #039; display & #039;). However, if I use php on the server to capture DOM elements in a webpage, then, how can we

In PHP, what is the relationship between $ a and $ GLOBALS ['a'] in memory?

{Code ...} $ a and $ GLOBALS [& #039; a & #039;] The relationship in memory is definitely not like this. If so, unset ($ GLOBALS [& #039; a & #039;]) $ a should still be solved. Thank you very much. $a=4;unset($GLOBALS['a']);var_dump($a); What is

Number of elements in a PHP multi-dimensional array

{Code ...} I want to count the number of occurrences of the value corresponding to name, such as name & #039; 2 & #039; the number of occurrences is 2, such as name & #039; 4 & #039; is there any good solution to the number of occurrences of 1? How

How to combine 3-4 characters from the six characters in a-f?

{Code ...} take 3 or 4 characters from the array $ arr and combine them into new characters, such as abc, abd, abe, and abcd, when the order is different, abc and acb are considered different. New characters are stored in the array, $ newArr [] & #03

PHP cannot accurately identify MIMETypes after mimetype-Windows7 uploads files

I wrote a page for uploading FILES, the same file, the same Chrome (47.0.2526.20.m), the FILES uploaded under Windows8.1 $ _ FILES [& #039; myFile & #039;] [& #039; type & #039;] is very accurate. For example, a Word document with the value

When do I need to add a colon Before the method in the ThinkPHP template?

For example, I want to link to the home page in the navigation bar: & quot; {U (& #039; IndexIndex & #039;)} & quot; cannot be properly linked to the home page. Write it as follows: & quot; {: U (& #039; IndexIndex & #039;)} & quot; (a colon is

How does thinkphp detect the error of disabling the debug mode?

Entrance file define (& #039; APP_DEBUG & #039;, True); this is correct define (& #039; APP_DEBUG & #039;, false ); once it is disabled, it is a page error. Please try again later. How can I check the error? Entry file define ('app _ debug', True);

Run the spop command on the non-empty set of redis in php and return false.

Run $ redis-& amp; gt; scard (& #039; set: name & #039;) for the same set. The result is more. However, if you run $ redis-& amp; gt; spop (& #039; set: name & #039;) on this set, false is returned. The Set name should not be wrong, because the code

Php framework-questions about calling the U function in the thinkphp Template

When calling the U method in an html template, why do I have to add {:} before? What does this mean? {: U (& #039; Paymentindex & #039;, array (& #039; order_id & #039; & amp; gt; 223 ))} when calling the U method in an html template, why do I have

String connection problems

How to connect the following strings, for example, border & quot; & #039 ;. $ args [& #039; border & #039;]. & #039; & quot; why is a single quotation mark used in double quotation marks? Why do I still use "." To Connect? I don't understand how the

Thinkphp5-thinkphp Routing

The thinkphp route will be redirected according to the rules, so sometimes the uri is ugly. But is there a way to achieve no redirection on the path. For example, thinkRoute: register (& #039; abc & #039;, & #039; aboutabc & #039;); is there a way

Ide-phpstorm code formatting

Using phpstorm to format the code setting function & #039;) & #039; and & #039 ;{& #039; failed to keep the same row. setting has already checked the setting, phpstorm has also been restarted and does not work. my settings are as follows: The

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