大约有 38,000 项符合查询结果（耗时：0.0514秒） [XML]
How do I auto-submit an upload form when a file is selected?
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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(...
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?
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How to set the matplotlib figure default size in ipython notebook?
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123
I believe the following work in version 0.11 and above. To check the version:
$ ipython --ver...
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"
share
|
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Best GUI designer for eclipse? [closed]
... Windows Builder download: eclipse.org/windowbuilder/download.php
– Martin Konicek
Jul 17 '11 at 22:45
1
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Bogus foreign key constraint fail
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On demand, now as an answer...
When using MySQL Query Browser or phpMyAdmin, it appears that a new connection is opened for each query (bugs.mysql.com/bug.php?id=8280), making it neccessary to write all the drop statements in one query, eg.
SET FOREIGN_KEY_CHECKS=0;
DROP TABLE my_first_...
控件重绘函数/消息OnPaint,OnDraw,OnDrawItem,DrawItem的区别 - C/C++ - 清...
...时对控件的绘制，上面介绍的差不多了，还有一个CView的问题，也就是OnPaint和Ondraw的关系，其实这个很简单，CView::OnPaint()的源码如下：
void CView::OnPaint()
{
CPaintDC dc(this);
OnPrepareDC(&dc);
OnDraw(&dc)
}
...
Confirm deletion in modal / dialog using Twitter Bootstrap?
...we want to have delete confirmation for:
<a href="#" data-href="delete.php?id=23" data-toggle="modal" data-target="#confirm-delete">Delete record #23</a>
<button class="btn btn-default" data-href="/delete.php?id=54" data-toggle="modal" data-target="#confirm-delete">
Delete re...