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利用 App Inventor 2 开发ChatGPT应用 - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术
...码块如下：
用到的核心组件“ChatBot”如下：
那么问题来了，这个“ChatBot”这个强大的组件从何而来，背后的原理是啥？
“ChatBot”组件在MIT官方在最新的v2.67版中引入的AI相关功能，通过合并官方代码，App Inventor 2 中文...
如何实现设置用户头像功能呢？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...之后他不在应用里显示选择的图片，能帮我看看是哪里有问题吗？
liuweichao 发表于 2024-11-19 10:08
我已经通过活动启动器实现调用了，但是选择好之后他不在应用里显示选择的图片，能帮我看看是哪里有问题吗 ...
暂时还得你自...
Converting string to Date and DateTime
If I have a PHP string in the format of mm-dd-YYYY (for example, 10-16-2003), how do I properly convert that to a Date and then a DateTime in the format of YYYY-mm-dd ? The only reason I ask for both Date and DateTime is because I need one in one spot, and the other in a different spot.
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Delete directory with files in it?
...ainly useful for explode()ing a path taken from the OS. alanhogan.com/tips/php/directory-separator-not-necessary
– ReactiveRaven
Jul 16 '12 at 23:47
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BLE（一）概述&工作流程&常见问题 - 创客硬件开发 - 清泛IT社区，...
...与前面几代不同的是，蓝牙4.0版引入的BLE协议更注重功耗问题，而非通信速率的提升。这也使得低功耗蓝牙更加节能，能使设备的电池维持很长时间，因此在很多可穿戴设备中得到了应用。
0x2 BLE工作流程0x21 工作过程蓝牙适用...
How to calculate the bounding box for a given lat/lng location?
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Here is a PHP implementation from the specification found at JanMatuschek.de: github.com/anthonymartin/GeoLocation.class.php
– Anthony Martin
Dec 3 '12 at 14:10
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How can I get useful error messages in PHP?
Quite often I will try and run a PHP script and just get a blank screen back. No error message; just an empty screen. The cause might have been a simple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely.
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Which MySQL datatype to use for an IP address? [duplicate]
...Pv6 addresses you could use a BINARY instead:
`ipv6` BINARY(16)
And use PHP’s inet_pton and inet_ntop for conversion:
'INSERT INTO `table` (`ipv6`) VALUES ("'.mysqli_real_escape_string(inet_pton('2001:4860:a005::68')).'")'
'SELECT `ipv6` FROM `table`'
$ipv6 = inet_pton($row['ipv6']);
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Getting the names of all files in a directory with PHP
... How can we get all files within list of extensions? E.g. if we want all .php and .js files ?
– Nis
Apr 30 '14 at 4:33
3
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Class 'DOMDocument' not found
...OM extension. You can do so on Debian / Ubuntu using:
sudo apt-get install php-dom
And on Centos / Fedora / Red Hat:
yum install php-xml
If you get conflicts between PHP packages, you could try to see if the specific PHP version package exists instead: e.g. php53-xml if your system runs PHP5.3.
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