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十年磨一“饼” 一个70后连续创业者的心路历程 - 资讯 - 清泛网 - 专注C/C+...
...饼是果腹的产品，怎么就扯在一起了呢？首先我们可以从制作工序的角度来剖析，星巴克咖啡有着不到50秒钟的手工制作时间(长期效率优化提升后的结果)，而我们的卷饼也有将近1分钟的手工包制工序。单个产品现做的方式，保...
How to concatenate a std::string and an int?
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If you're on Arduino, you can also use String(number).
– Machado
Apr 19 at 8:04
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社交应用组件 · App Inventor 2 中文网
...文档（保存文本到文档）、地图（文本作为搜索地址）、蓝牙（传输文本数据）之类的App，没有打印机相关的，打印机App在分享文件的方式才弹出。
分享文件、分享文件及消息 弹出其他App的界面：分享文件的方式弹出的App...
Is there a portable way to print a message from the C preprocessor?
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Works with Arduino 1.8 using Visual Studio vMicro. Thanks!
– save_jeff
Mar 29 at 7:35
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How can I tell gcc not to inline a function?
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Arduino also wanted it placed before the function.
– Peter N Lewis
Feb 24 '12 at 9:49
2
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How do I get the type of a variable?
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TypeId: I was not able to use typeid() on Arduino. Also typeid() is a runtime check, not compile time so it cannot be used to generate optimized code.
– Dan Truong
Jun 10 '16 at 1:21
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Error 507: unable to connect. is the device turned on? 无法连接，设备...
英文资料显示，可能是蓝牙设备问题未开机之类的，也可能是连接相关的代码写的不对，用的错误的地址连接等。
当然也有可能是平台或BluetoothLE拓展版本问题导致的，因此建议先使用我们平台(www.fun123.cn)试试，排除一下...
CSV file written with Python has blank lines between each row
..., as I've initially got the same problem.
I was supposed to get data from arduino using PySerial, and write them in a .csv file. Each reading in my case ended with '\r\n', so newline was always separating each line.
In my case, newline='' option didn't work. Because it showed some error like :
wi...
数据存储组件 · App Inventor 2 中文网
...，也就是创建之前目录已经存在的话，也是返回 真。
制作完整路径(作用域,路径)
将作用域和路径转换为单个字符串形式的完整路径，便于其他组件使用。
关于Android存储路径更深入请参考《Android存储系统基础知识：内...
C++ multiline string literal
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works with Arduino! Now I can serve embedded web pages with ease!
– nmz787
Jul 19 at 9:52
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