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MySQL ON DUPLICATE KEY - last insert id?
...le (a) VALUES (0)
ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id), a=1
Is all here: http://dev.mysql.com/doc/refman/5.0/en/insert-on-duplicate.html
If a table contains an AUTO_INCREMENT column and INSERT ... UPDATE
inserts a row, the LAST_INSERT_ID() function returns the
AUTO_INCREMENT value. If t...
How can I change a file's encoding with vim?
...r just to do encoding conversion seems like using too big hammer for too small nail.
Just:
iconv -f utf-16 -t utf-8 file.xml > file.utf8.xml
And you're done.
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How to Flatten a Multidimensional Array?
Is it possible, in PHP, to flatten a (bi/multi)dimensional array without using recursion or references?
29 Answers
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How to get HTTP Response Code using Selenium WebDriver
... the response code of a http request using Selenium and Chrome or Firefox. All you have to do is start either Chrome or Firefox in logging mode. I will show you some examples below.
java + Selenium + Chrome
Here is an example of java + Selenium + Chrome, but I guess that it can be done in any lang...
PHP cURL vs file_get_contents
... @velop: Yes. And method, too. And redirects. And timeout... php.net/manual/en/context.http.php
– Sz.
Mar 28 '18 at 19:54
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浏览器请求同一php文件时，后一请求会被前一请求阻塞，有什么办法不阻塞吗 ...
浏览器请求同一php文件时，后一请求会被前一请求阻塞，有什么办法不阻塞吗解决方案及原理详见：《探讨nginx与php-fpm是不是以多进程多线程方式运行的》《window+nginx+php-cgi的php-cgi线程 子进程问题》解决方案及原理详见：
《...
How to get the current taxonomy term ID (not the slug) in WordPress?
...
If you are in taxonomy page.
That's how you get all details about the taxonomy.
get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) );
This is how you get the taxonomy id
$termId = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxo...
致PHP路上的“年轻人” - PHP - 清泛IT社区，为创新赋能！
今晚在公司，又与一位刚做PHP工作一年的朋友聊了甚久。他与他们有一样的问题，比较迷茫。而我当年也有他们的困惑。虽然自己也还年轻，但作为一个阶段告以段落的“过来人”，还是想写点东西给“年轻人”。关于如何成长...
What is the most efficient/elegant way to parse a flat table into a tree?
...
Now that MySQL 8.0 supports recursive queries, we can say that all popular SQL databases support recursive queries in standard syntax.
WITH RECURSIVE MyTree AS (
SELECT * FROM MyTable WHERE ParentId IS NULL
UNION ALL
SELECT m.* FROM MyTABLE AS m JOIN MyTree AS t ON m.ParentI...
What is the difference between bindParam and bindValue?
...ute() is called.
And execute
call PDOStatement::bindParam() to bind PHP variables to the parameter markers: bound variables pass their value as input and receive the output value, if any, of their associated parameter markers
Example:
$value = 'foo';
$s = $dbh->prepare('SELECT name FROM...