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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
...备B接收，同样设备B的数据包只能设备A接收，那么就必须生成一个独特的随机access address以标识设备A和设备B两者之间的连接。6.3 连接方式到底什么叫连接(connection)？像有线UART，很容易理解，就是用线（Rx和Tx等）把设备A和设备B...
What does AngularJS do better than jQuery? [closed]
...ot involve data manipulation
(eg: color changes on mousehover, hiding/showing elements on click),
jQuery or old-school js is sufficient and cleaner. This assumes that
the model in angular's mvc is anything that reflects data on the page,
and hence, css properties like color, display/hide, et...
Coding in Other (Spoken) Languages
...velopers are obliged to code in the French language this leads to the following travesty:
interface Foo {
Color getCouleur();
void setCouleur(Color couleur);
}
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悬浮窗使用指导 · App Inventor 2 中文网
...App上架指南 特色 AI 助手 · 一句话生成 App 鸿蒙 · 一套积木，多端原生打包！ 下载 AI2伴侣 · 安卓/鸿蒙/iOS aia 源码商店 中文社区 中文教育版 各版本对比 关于 ...
How to optimize for-comprehensions and loops in Scala?
... Now, in 2014, I tested this again and for me performance is the following: java -> 0.3s; scala -> 3.6s; scala optimized -> 3.5s; scala functional -> 4s; Looks much better than 3 years ago, but... Still the difference is too big. Can we expect more performance improvements?...
Override compile flags for single files
...-Wno-effc++ after -Weffc++ in the compiler command, and the latter setting wins. To see the full command and check that this is indeed the case, you can do
make VERBOSE=1
As an aside, one of the maintainers of the GNU C++ Standard Library presents a pretty negative opinion on -Weffc++ in this an...
Is there a way to provide named parameters in a function call in JavaScript?
...at there is no native way to collect declared vars or functions without knowing they live on a particular namespace. Just because the answer is short, it does not negate its suitability as an answer - wouldn't you agree? There are far shorter answers out there, along the lines of "no, no t possible"...
Advantages of stateless programming?
... of interactions it can have with the rest of the program.
That's the big win from 'immutability' IMO. In an ideal world, we'd all design terrific APIs and even when things were mutable, effects would be local and well-documented and 'unexpected' interactions would be kept to a minimum. In the re...
Wait until file is unlocked in .NET
...t, and the wait time between retries.
NOTE: Unfortunately, the underlying Win32 error (ERROR_SHARING_VIOLATION) is not exposed with .NET, so I have added a small hack function (IsSharingViolation) based on reflection mechanisms to check this.
/// <summary>
/// Wraps sharing violation...
What is Castle Windsor, and why should I care?
I'm a long-time Windows developer, having cut my teeth on win32 and early COM. I've been working with .NET since 2001, so I'm pretty fluent in C# and the CLR. I'd never heard of Castle Windsor until I started participating in Stack Overflow. I've read the Castle Windsor "Getting Started" guide, b...