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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...展示：仪表盘、柱状图、折线图、饼图
【数据表格】 TableView 拓展：数据表格视图，表格形式显示列表
【剪贴板】 Clipboard 拓展：实现剪贴板的复制粘贴功能
【Socket】 ClientSocketAI2Ext 拓展加强版：TCP/IP传输协议
【FTP】 FTP ...
Invoke a callback at the end of a transition
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Works like a charm !
– Benoît Sauvère
Dec 1 '16 at 16:06
AndroidRuntime error: Parcel: unable to marshal value
...on. Stepping through the debugger it seems that it adds the HashMap no problem, however when startActivty() is called I get a runtime error stating that Parcel: unable to marshal value com.appName.Liquor.
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How do I activate a virtualenv inside PyCharm's terminal?
..."export ~/.bashrc" before this script.
– Raphaël Gomès
Jul 29 '16 at 10:00
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How can I download a specific Maven artifact in one command line?
... and I didn't touch the pluginRegistry. Thanks.
– Xiè Jìléi
Dec 14 '09 at 4:27
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this "get" g...
Where is the list of predefined Maven properties
...help:effective-pom stands as a great tool for discovering properties available. maven.apache.org/plugins/maven-help-plugin/…
– Peter Kahn
Jul 4 '16 at 15:01
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What's the difference between deadlock and livelock?
...rom
Operating Systems: Internals and Design Principles
William Stallings
8º Edition
Deadlock: A situation in which two or more processes are unable to proceed because each is waiting for one the others to do something.
For example, consider two processes, P1 and P2, and two resources, R1 and R2....
What causes java.lang.IncompatibleClassChangeError?
...a-based APIs 2: Achieving API Binary Compatibility" written by Jim des Rivières.
There are also some automatic tools to detect such changes:
japi-compliance-checker
clirr
japitools
sigtest
japi-checker
Usage of japi-compliance-checker for your library:
japi-compliance-checker OLD.jar NEW.jar
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How to clone a case class instance and change just one field in Scala?
...-lang.org/api/current/index.html for instance.
– François Beausoleil
Aug 30 '11 at 20:38
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It's ...
java.util.Date vs java.sql.Date
...tatement, but I want to understand why :)
– Jean-François Savard
Nov 25 '16 at 14:53
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