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CHECK constraint in MySQL is not working
... be implemented in MySQL.
See this bug report: https://bugs.mysql.com/bug.php?id=3464
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Convert a Unix timestamp to time in JavaScript
...mat() library, which implements JavaScript date formatting in the style of PHP's date() function.
new Date(unix_timestamp * 1000).format('h:i:s')
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Handle file download from ajax post
...easily download a file from an AJAX call by setting the correct headers in PHP's response:
Setting headers server-side
header("HTTP/1.1 200 OK");
header("Pragma: public");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
// The optional second 'replace' parameter indicates whe...
How to use '-prune' option of 'find' in sh?
...So you would go and write what you are looking for first:
find / -name "*.php"
Then you probably hit enter and realize you are getting too many files from
directories you wish not to.
Let's exclude /media to avoid searching your mounted drives.
You should now just APPEND the following to the prev...
MySQL check if a table exists without throwing an exception
...is the best way to check if a table exists in MySQL (preferably via PDO in PHP) without throwing an exception. I do not feel like parsing the results of "SHOW TABLES LIKE" et cetera. There must be some sort of boolean query?
...
Undo a merge by pull request?
...om.com>
Date: Mon Apr 29 06:12:38 2013 -0700
Merge pull request #123 from john/foo_and_bar
Add foo and bar
commit a507888e9fcc9e08b658c0b25414d1aeb1eef45e
Author: John Doe <john@doe.com>
Date: Mon Apr 29 12:13:29 2013 +0000
Add bar
commit 470ee0f407198057d5cb1d6427bb837...
micro:bit 实验03 - 做一块实时温度看板 · App Inventor 2 中文网
...房间温度高 2~5℃，且发热后会缓慢上升。做温差演示没问题，
当温度计用要先做校准（减一个固定偏移）。
二、界面组件
在实验01 的连接界面基础上加：
组件
命名
关键属性
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List of All Locales and Their Short Codes?
I'm looking for a list of all locales and their short codes for a PHP application I am writing. Is there much variation in this data between platforms?
...
How to sum all column values in multi-dimensional array?
...);
Example with array_walk_recursive() for the general case
Also, since PHP 5.5 you can use the array_column() function to achieve the result you want for the exact key, [gozhi], for example :
array_sum(array_column($input, 'gozhi'));
Example with array_column() for the specified key
If you ...
How do I purge a linux mail box with huge number of emails? [closed]
... Tue Jul 29 17:43 23/1016 "Cron <eric@ip-10-0-1-51> /usr/bin/php /var/www/sandbox/eric/c"
N 2 Cron Daemon Tue Jul 29 17:44 23/1016 "Cron <eric@ip-10-0-1-51> /usr/bin/php /var/www/sandbox/eric/c"
& d *
& quit
Then check your mail again:
eric@dev ~ $ mail
N...