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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
...示values数据是否是有符号的数值（假表示无符号）serviceUuid - 服务UUID，通俗来讲它就是硬件的唯一身份IDcharacteristicUuid - 特性UUID，通俗来讲它是硬件中某一功能的唯一身份ID
一个硬件UUID示例如下：UUID分为标准UUID和厂商自定义...
Assign a variable inside a Block to a variable outside a Block
...swered Nov 1 '11 at 5:31
DevarshiDevarshi
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SQL Server 2012 column identity increment jumping from 6 to 1000+ on 7th entry [duplicate]
I have a strange scenario in which the auto identity int column in my SQL Server 2012 database is not incrementing properly.
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SplitView like Facebook app on iPhone
...of the app. The similar open source code can be found from here - JTRevealSidebarDemo. Please note that as of June 2014, this project has been discontinued, so you'll probably have better luck with a project from the list below.
It reveals technique behind doing split view for iPhone.
Edit: Few o...
Best practices for reducing Garbage Collector activity in Javascript
...t of the things you need to do to minimize GC churn go against what is considered idiomatic JS in most other scenarios, so please keep in mind the context when judging the advice I give.
Allocation happens in modern interpreters in several places:
When you create an object via new or via literal ...
How to handle change of checkbox using jQuery?
...do stuff here. It will fire on any checkbox change
});
Code: http://jsfiddle.net/s6fe9/
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find all unchecked checkbox in jquery
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Why repeat the guidance already provided years earlier? Furthermore, please never post code-only snippets on SO. All answers should be explained.
– mickmackusa
Jul 17 at 5:19
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Download a file with Android, and showing the progress in a ProgressDialog
...nload files. Following I will post most common ways; it is up to you to decide which method is better for your app.
1. Use AsyncTask and show the download progress in a dialog
This method will allow you to execute some background processes and update the UI at the same time (in this case, we'll up...
How to list active / open connections in Oracle?
Is there any hidden table, system variable or something to show active connections in a given moment?
9 Answers
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See all breakpoints in Visual Studio 2010+
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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