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串口通信器使用指导 · App Inventor 2 中文网
...用原有串口管理实现，原始字节接口已对齐，但其系统 API 从 API 19 引入且依赖设备串口能力，不能把 Android 测试结果当作鸿蒙设备实测。参见 OpenHarmony 串口 API 声明。
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JavaScript: Create and save file [duplicate]
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w3.org/TR/file-writer-api/#the-filesaver-interface says "Work on this document has been discontinued and it should not be referenced or used as a basis for implementation."
– Godsmith
Jun 8 '15 at 16:35
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How do I set the proxy to be used by the JVM
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From the Java documentation (not the javadoc API):
http://download.oracle.com/javase/6/docs/technotes/guides/net/proxies.html
Set the JVM flags http.proxyHost and http.proxyPort when starting your JVM on the command line.
This is usually done in a shell script (in Uni...
Using Java to find substring of a bigger string using Regular Expression
...within the square brackets in the first group. Have a look at the Pattern API Documentation for more information.
To extract the string, you could use something like the following:
Matcher m = MY_PATTERN.matcher("FOO[BAR]");
while (m.find()) {
String s = m.group(1);
// s now contains "BAR...
WPF vs Silverlight [duplicate]
...s somewhat misleading.
WPF refers to the set of technologies (exposed via APIs) that .NET Framework 3.0 and above users have access to in order to draw to the screen.
Many of the WPF APIs are available for Silverlight apps.
There are, of course many other APIs besides WPF that are available u...
Using Gradle to build a jar with dependencies
...dle versions (4+) the compile qualifier is deprecated in favour of the new api and implementation configurations. If you use these, the following should work for you:
// Include dependent libraries in archive.
mainClassName = "com.company.application.Main"
jar {
manifest {
attributes "Main-...
How can I detect when an Android application is running in the emulator?
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@Daniel: I use 2.3.3 with Google API and it says 'google_sdk'. Seems that it's 'google_sdk' for AVD with Google API and 'sdk' for the normal ones.
– Randy Sugianto 'Yuku'
Apr 25 '11 at 6:39
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Wrapping synchronous code into asynchronous call
...else that is I/O-bound, then the best solution is to write an asynchronous API for it.
I'll proceed with the assumption that your "service" is a CPU-bound operation that must execute on the same machine as the web server.
If that's the case, then the next thing to evaluate is another assumption:
...
How to know when UITableView did scroll to bottom in iPhone
...pens even when user has already scrolled to bottom and are waiting for the API to return data.
– Dean
Jul 14 '14 at 6:45
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代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...息：
3月 04, 2025 9:50:11 上午 com.google.appengine.tools.development.ApiProxyLocalImpl log
严重: javax.servlet.ServletContext log: Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract long com.google.appinventor.sha...