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App Inventor 2 中文网已全面升级https安全通道，数据安全有保障！ - App I...
...段时间的努力，App Inventor 2 中文网（fun123.cn）已全部升级https安全通道，以保护用户的访问及数据安全，值得注意的是MIT官方目前仍是http非安全通道。
App Inventor 2 中文网（fun123.cn）安全通道
MIT官方目前非安全通道
这...
Android App Not Install. An existing package by the same name with a conflicting signature is alread
...ce with Mac/PC and run adb uninstall <package>
Worked for me.
Ref: https://android.stackexchange.com/questions/92025/how-to-completely-uninstall-an-app-on-android-lollipop
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Allow user to select camera or gallery for image
... compile)
Then, for more info on creating a custom dialog from a list see https://developer.android.com/guide/topics/ui/dialogs.html#AlertDialog
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...ll, window.location.href );
}
</script>
Proof of concept here: https://dtbaker.net/files/prevent-post-resubmit.php
I would still recommend a Post/Redirect/Get approach, but this is a novel JS solution.
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C++ Build Systems - What to use? [closed]
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You can use Gradle now: https://docs.gradle.org/current/userguide/native_software.html
This seems to have matured quite a bit in the years since I originally posted this. The page saying that the project is "incubating" has disappeared, but I can't...
How to create user for a db in postgresql? [closed]
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Create the user with a password :
http://www.postgresql.org/docs/current/static/sql-createuser.html
CREATE USER name [ [ WITH ] option [ ... ] ]
where option can be:
SUPERUSER | NOSUPERUSER
| CREATEDB | NOCREATEDB
| CREATEROLE | NOCREATEROLE
| C...
vs2010编译boost若干问题解决 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...boost若干问题解决首先说下环境，win7，vs2010。先在http: www.boost.org users download 上下载boost安装包，我下的是1.52.0版。按照说明，直接运行bootstr...首先说下环境，win7，vs2010。
先在http://www.boost.org/users/download/上下载boost安装包，我...
微软开源 图像动画开发框架：openframeworks - 开源 & Github - 清泛网 - ...
...体的可以看其官网的演示视频。
openframeworks（http://www.openframeworks.cc/ ）是C++为基准的简洁开发框架，擅长开发图像和动画。能在多个平台上运行(PC, Mac, Linux, iPhone)。
主要有以下特征：
◇ 通过编码来制作图像和动画。
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JS文字卷动效果的调用函数：startmarquee - 更多技术 - 清泛网 - 专注C/C++及内核技术
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>文字向上滚动</title>
<style type="...
5分钟了解 App Inventor 2：不会写代码，也能做出自己的 App - App应用开发...
...不超过5分钟。
中文资源在哪？
App Inventor 2 中文网（www.fun123.cn）提供了：
1. 完整的中文文档：所有组件和积木块都有中文说明
2. 离线版：断网也能用，适合学校机房和培训班
3. 扩展组件：MQTT、Supabase、自定义通知等进...