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ComponentGroup 组件组扩展：监控内容变化和批量启用禁用组件 · App Inventor 2 中文网
...mailPicker
邮箱选择器
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.aix拓展文件：
de.UllisRoboterSeite.UrsAI2ComponentGroup.aix
.aia示例文件：
UrsComponentGroupTest.aia
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Office在线预览及PDF在线预览的实现方式大集合 - 更多技术 - 清泛网 - 专注...
...是要硬盘空间呢还是要CPU的资源。
参考链接：
http://www.cnblogs.com/expectszc/archive/2012/04/04/2432149.html
http://www.cnblogs.com/liuning8023/archive/2013/03/04/2943482.html
http://www.cxyclub.cn/n/29549/
非微软方：没有微软的Office软件可安装，只能用第...
How do you sign a Certificate Signing Request with your Certification Authority?
...ificates.
First, create a basic configuration file:
$ touch openssl-ca.cnf
Then, add the following to it:
HOME = .
RANDFILE = $ENV::HOME/.rnd
####################################################################
[ ca ]
default_ca = CA_default # The default ca section...
How can I capitalize the first letter of each word in a string?
...
Just because this sort of thing is fun for me, here are two more solutions.
Split into words, initial-cap each word from the split groups, and rejoin. This will change the white space separating the words into a single white space, no matter what it was.
s ...
How to convert an NSString into an NSNumber
...also do this:
NSNumber *number = @([dictionary[@"id"] intValue]]);
Have fun!
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How to create a self-signed certificate for a domain name for development?
...ith IIS's self-signed certificate feature, you cannot set the common name (CN) for the certificate, and therefore cannot create a certificate bound to your choice of subdomain.
One way around the problem is to use makecert.exe, which is bundled with the .Net 2.0 SDK. On my server it's at:
C:\Progr...
How do I start Mongo DB from Windows?
...p after restart mongoDB )
3 . GUI for mongoDB
i'm using rockmongo
have fun with it
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App Inventor 2 SemiCircleArc 扩展：高级自定义半圆进度条 · App Inventor 2 中文网
...包含完整的基础布局。
拓展下载
.aix 拓展下载：
io.th.semicirclearc.aix
demo 下载：
semi_arc.aia
版权信息
本文档内容依据原作者发布页面整理翻译，版权归原作者所有。
原作者：Tech Ham...
RadioButton单选按钮扩展集合 · App Inventor 2 中文网
...载和安装
UrsAI2RadioButton扩展: UrsAI2RadioButton.aix
示例应用: RadioButtonExample.aia
功能概述
UrsAI2RadioButton扩展将CheckBox组件转换为RadioButton组件，提供真正的单选功能：
将CheckBox转换为RadioButton外观
...
Convert from ASCII string encoded in Hex to plain ASCII?
...
i'm just having fun, but the important parts are:
>>> int('0a',16) # parse hex
10
>>> ''.join(['a', 'b']) # join characters
'ab'
>>> 'abcd'[0::2] # alternates
'ac'
>>> zip('abc', '123') ...