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How to use “raise” keyword in Python [duplicate]
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329
It has 2 purposes.
yentup has given the first one.
It's used for raising your own errors....
将 App Inventor 2 项目连接到外部传感器 · App Inventor 2 中文网
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MOIO板（原理图可在此处获取）[2]
Android手机（运行4.3或更高版本）[3]
(1) 光敏传感器
光敏电阻
(2) 超声波传感器
以下是完成套件的图片：
代码块
为这个套件设计的App Inventor代码块是简单、易于解析的方...
SVN undo delete before commit
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3
That must be new, it doesn't work in SVN 1.4.4. (It was the first thing I tried.)
– LaC
Nov 24 '09 at...
Is there any reason for using WebGL instead of 2D Canvas for 2D games/apps?
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88
Looking at this question from another side:
how does a developer choose one technology over ano...
Arduino 101 平台 · App Inventor 2 中文网
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实验02：手机开关灯与亮度调节 —— PWM 调光
实验03：读一个按钮 —— 数据反向推到手机
实验04：温湿度环境看板 —— 一个组件两路数据
实验05：光照传感器与自动小夜灯 —— 模拟量 + 传感器联动执行器
实验06：...
Find out a Git branch creator
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edited May 23 '17 at 11:54
Community♦
111 silver badge
answered Aug 21 '12 at 13:06
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How do you implement a re-try-catch?
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319
You need to enclose your try-catch inside a while loop like this: -
int count = 0;
int maxTri...
Check if a string has white space
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answered Nov 13 '09 at 19:05
Christian C. SalvadóChristian C. Salvadó
689k171171 gold badges887887 silver badges826826 bronze badges
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How do I clear only a few specific objects from the workspace?
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You'll find the answer by typing ?rm
rm(data_1, data_2, data_3)
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Double decimal formatting in Java
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answered Oct 9 '12 at 18:38
kosakosa
62.7k1212 gold badges114114 silver badges156156 bronze badges
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