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App Inventor 2 FTP 上传下载全方案总结 · App Inventor 2 中文网
...收费的:$12，请自行研究）
地址：https://puravidaapps.com/ftp.php
FTPClient （收费的:$5，请自行研究）
地址：https://community.appinventor.mit.edu/t/paid-ftpclient-an-extension-to-communicate-to-remote-server-5-or-inr-350/23519
切...
这个墨绿色的标题栏可以换颜色吗？ - App Inventor 2 中文网 - 清泛IT社区...
...
TaifunTools（免费，功能强）：https://puravidaapps.com/tools.php
Device（功能多且复杂）：https://community.appinventor.mit.edu/t/free-device-get-device-info/48411
StatusBarTools（简单易用，推荐）：https://community.appinventor.mit.edu/t/statusbartools-extension-f...
App Inventor 2 列表显示框能否实现多选功能？ - App Inventor 2 中文网 - ...
...现，不过是收费的，12美刀。
https://puravidaapps.com/combobox.php
App Inventor 2 QRCode 扩展：二维码扫描及生成方案都在这里 - App Invento...
1、QRCode 二维码扫码：
使用原生的“条码扫描器”组件：
2、二维码生成的方案：
html + js + Web浏览器 方案：https://puravidaapps.com/qr.php
QRCodeGenerator 拓展方案：https://community.appinventor.mi ... tor-extension/47908
能否详细说明下数据库的应用？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
不能直连MYSQL，但有个贴子给出了方案，用PHP做了个中间件转发，但根据贴子操作未成功。又发现自带了云数据库的组件，但说明太少，比如哪里有云数据库的提供商，或者云数据库如何私有部署，能否详细说说，我想很多人应...
A regular expression to exclude a word/string
...noreme3)
You can add as much ignored words as you like, here is a simple PHP implementation:
$ignoredWords = array('ignoreme', 'ignoreme2', 'ignoreme...');
preg_match('~^/\b([a-z0-9]+)\b(?<!' . implode('|', array_map('preg_quote', $ignoredWords)) . ')~i', $string);
...
What is the method for converting radians to degrees?
...rads -> x*pi/180
I guess if you wanted to make a function for this [in PHP]:
function convert($type, $num) {
if ($type == "rads") {
$result = $num*180/pi();
}
if ($type == "degs") {
$result = $num*pi()/180;
}
return $result;
}
Yes, that coul...
How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du
...o get the outer HTML and pass it to GrabzIt's API.
– PHP Rocks
May 11 '18 at 10:34
add a comment
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Infinity symbol with HTML
...ing Special Characters” section here might help: xvsxp.com/misc/keyboard.php
– Paul D. Waite
Feb 12 '10 at 21:07
I'm...
Best Practices: Salting & peppering passwords?
...wn away backups, discarded servers… can lead to this situation. A lot of PHP users work on hosted servers.
– martinstoeckli
Jun 4 '13 at 20:14
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