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What are the ways to make an html link open a folder
...ery specific environment I know). In this instance, I use a html link to a php file and run:
shell_exec('cd C:\path\to\file');
shell_exec('start .');
This opens a local Windows explorer window.
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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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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?
...
Relative URL to a different port number in a hyperlink?
...9 (replace your port as required)
<div>
<a href="http://<?php print
$_SERVER{'SERVER_NAME'}; ?>:8069"><img
src="images/example.png"/>Example Base (http)</a>
</div>
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How do I auto-submit an upload form when a file is selected?
...
JavaScript with onchange event:
<form action="upload.php" method="post" enctype="multipart/form-data">
<input type="file" name="filename" onchange="javascript:this.form.submit();">
</form>
jQuery
.change() and .submit():
$('#fileInput').change(...
How to sum all column values in multi-dimensional array?
...);
Example with array_walk_recursive() for the general case
Also, since PHP 5.5 you can use the array_column() function to achieve the result you want for the exact key, [gozhi], for example :
array_sum(array_column($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...
How to process each line received as a result of grep command
...nd | grep --line-buffered "your search"
Real life exemple with a Symfony PHP Framework router debug command ouput, to grep all "api" related routes:
php bin/console d:r | grep --line-buffered "api"
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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
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