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Export to CSV via PHP
...t I have from the database to a CSV file (and text file [if possible]) via PHP?
7 Answers
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MySQL, Check if a column exists in a table with SQL
...his works well for me.
SHOW COLUMNS FROM `table` LIKE 'fieldname';
With PHP it would be something like...
$result = mysql_query("SHOW COLUMNS FROM `table` LIKE 'fieldname'");
$exists = (mysql_num_rows($result))?TRUE:FALSE;
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java中的缓存技术该如何实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...存在于什么地方?3缓存有哪些属性?4缓存介质?搞清楚这4个问题,那么我们就可以随意的通过应用的场景来判断使用何...1、缓存为什么要存在？
2、缓存可以存在于什么地方？
3、缓存有哪些属性？
4、缓存介质？
搞清楚这4个...
Creating a config file in PHP
I want to create a config file for my PHP project, but I'm not sure what the best way to do this is.
10 Answers
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upstream sent too big header while reading response header from upstream
...ove the message, is it streaming with logged lines preceding the message? PHP message: PHP Notice: Undefined index:
Example snippet from a loop my log file:
2015/11/23 10:30:02 [error] 32451#0: *580927 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: Firstname in /srv/www/class...
Anonymous recursive PHP functions
Is it possible to have a PHP function that is both recursive and anonymous? This is my attempt to get it to work, but it doesn't pass in the function name.
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Adding minutes to date time in PHP
...ck with adding X minutes to a datetime, after doing lots of google'ing and PHP manual reading, I don't seem to be getting anywhere.
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LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...这里出现了404的错误，为什么结果还都通过了。出现这样问题的原因是脚本有些页面的请求内容并非关键点，比如可能请求先前的cookie信息，如果没有就重新获取，所以不会影响最终的测试结果。
图1- 6 HTTP响应摘要
常用的HTT...
WordPress asking for my FTP credentials to install plugins
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Try to add the code in wp-config.php:
define('FS_METHOD', 'direct');
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cleanest way to skip a foreach if array is empty [duplicate]
...oid nesting my code with an unnecessary if statement. If $items is empty php throws an error.
11 Answers
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