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App Inventor 2 浮点数与字节转换教程 · App Inventor 2 中文网
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App Inventor 2 App上架国内应用市场完整指南 · App Inventor 2 中文网
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Latest jQuery version on Google's CDN
...
v2.x is not compatible with v1.x. Any site that is pointing to this url will actually screw up the sites if it was updated to v2
– Abdul Munim
May 23 '13 at 8:29
...
How to write a CSS hack for IE 11? [duplicate]
...l element:
data-useragent='Mozilla/5.0 (compatible; M.foo 9.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C)'
data-platform='Win32'
Allowing very targetted CSS selectors, e.g.:
html[data-useragent*='Chrome/13.0'] .n...
Fixed point vs Floating point number
...(%) operand.
12.34 (pseudocode):
v1 = 1234 / 100 // get the whole number
v2 = 1234 % 100 // get the decimal number (100ths of a whole).
print v1 + "." + v2 // "12.34"
Floating point numbers are a completely different story in programming. The current standard for floating point numbers use somet...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...array objectAtIndex:i]
[NSDictionary dictionaryWithObjectsAndKeys: v1, k1, v2, k2, nil];
[dictionary valueForKey:k]
@[a, b, c]
array[i]
@{k1:v1, k2:v2}
dictionary[k]
This part is new. Expression Literals
When you have an expression (M_PI / 16 for example) you should put it inside parent...
MyListView 拓展：可定制列表 · App Inventor 2 中文网
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【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...，一般从机是作为GATT的服务端，主机作为GATT的客户端。6.1 发送数据包假设有设备A和设备B，设备A要把自己的电量状态83%（十六进制表示为0x53）发给设备B，该怎么做呢？作为一个开发者，他希望越简单越好，对他而言，他希望...
Using {} in a case statement. Why?
...ed with a goto statement(this is covered in the C++ draft standard section 6.1 Labeled statement) and we can see from section 6.7 paragraph 3 that jumping pass a declaration is not allowed in many cases, including those with an initialization:
It is possible to transfer into a block, but not in ...
手机串口调试助手：USB OTG 收发文本与十六进制、定时发送（附 .aia 源码）...
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