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App Inventor 2 MultiImagePicker 拓展：实现图片/视频多选功能 - App Inve...
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MultiImagePicker 是 App Inventor 2 中文网提供的图片单选/多选扩展组件，主要功能：
- 支持单选和多选图片
- 支持选择视频文件
- 长按图片即可一次选择多张
- 可设置最大选择数量
- 可过滤文件类型
官方文档：https://www.fun123.cn...
水平滚动布局管理器 HorizontalScrollHandler - App Inventor 2 中文网 - ...
这个如何使用？扩展文档写得并不详细。
Many-to-many relationship with the same model in rails?
...unity wiki
9 revs, 2 users 100%Shtééf
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Piping command output to tee but also save exit code of command [duplicate]
... answered Jul 29 '11 at 10:42
Frédéric HamidiFrédéric Hamidi
232k3737 gold badges445445 silver badges455455 bronze badges
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Remove all special characters with RegExp
...tters.
Do not use [^\w\s], this will remove letters with accents (like àèéìòù), not to mention to Cyrillic or Chinese, letters coming from such languages will be completed removed.
You really don't want remove these letters together with all the special characters. You have two chances:
Add i...
php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用curl库之前，可能需要查看一下php.ini是否已经打开了curl扩展
<?php
$ch = curl_init();
$timeout = 5;
curl_setopt ($ch, CURLOPT_URL, 'http://www.domain.com/');
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$file_content...
How to add a WiX custom action that happens only on uninstall (via MSI)?
I would like to modify an MSI installer (created through WiX ) to delete an entire directory on uninstall.
6 Answers
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Linux/Unix command to determine if process is running?
... answered Feb 2 '12 at 18:08
Frédéric HamidiFrédéric Hamidi
232k3737 gold badges445445 silver badges455455 bronze badges
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...据导出后，在新的数据库导入。所有数据就生成了。
扩展问题，很多时候我们是分表表结构怎么批量操作，提高速度呢。用循环！循环把表的空间废弃掉。
for i in `seq 0 111`; do mysql -uroot -P33061 -h127.0.0.1 -Dtestdd -e “CREATE TABLE inv_...
Why wasn't PyPy included in standard Python?
... and little-endian variants of PPC64, and s390x.
– Frédéric Grosshans
Mar 21 '18 at 14:25
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