大约有 1,700 项符合查询结果(耗时:0.0120秒) [XML]

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How to use SCNetworkReachability in Swift

...le && !needsConnection) } Explanations: As of Swift 1.2 (Xcode 6.3), imported C structs have a default initializer in Swift, which initializes all of the struct's fields to zero, so the socket address structure can be initialized with var zeroAddress = sockaddr_in() sizeofValue() gives...
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关于我们 · App Inventor 2 中文网,少儿编程陪伴者

...  电教馆的网站AI伴侣2.2x本,平台本过旧,很多aix拓展无法运行,文档也是过旧的英文原,参考意义不大。      中文网于 2023/12/02 同步过一次MIT最新代码(参考发布日志)...
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VIP会员中心 · App Inventor 2 中文网,少儿编程陪伴者

...  电教馆的网站AI伴侣2.2x本,平台本过旧,很多aix拓展无法运行,文档也是过旧的英文原,参考意义不大。      中文网于 2023/12/02 同步过一次MIT最新代码(参考发布日志)...
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Load a UIView from nib in Swift

... I am getting crash when loading nib(loadNibNamed). Using Xcode 6.3 and Swift – karthikPrabhu Alagu Aug 6 '15 at 7:17 12 ...
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ZMQ: 基本原理 - 开源 & Github - 清泛网移动 - 专注C/C++及内核技术

ZMQ: 基本原理0MQ-The-Theoretical-Foundation介绍与其他的基于常规理论基础的(集中)通信系统不同,几乎没有分布式通信系统的什么资料,ØMQ(ZeroMQ)是感兴趣的读者少数能请举出... 介绍 与其他的基于常规理论基础的...
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Using the Swift if let with logical AND operator &&

... As of Swift 1.2, this is now possible. The Swift 1.2 and Xcode 6.3 beta release notes state: More powerful optional unwrapping with if let — The if let construct can now unwrap multiple optionals at once, as well as include intervening boolean conditions. This lets you express ...
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libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术

...接收数据。 使用的基准程序是bench.c,取自 libevent 发行,经过修改以收集每次测试迭代的总时间,可选择启用事件观察器的超时以及可选择使用本机 libev API 并以不同方式输出时间。 对于 libevent,使用本 1.4.3,而对于 libev...
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重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...

...构的,架构的问题咱们在这儿就不展开聊了:) 代码V1 遵循tsf4j的tapp写法,ServerCenterApp类是后台程序的主逻辑类,其中process_pkg是消息处理的主逻辑函数。会对不同的消息调用不同的消息processor函数。而每个消息processor函...
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What actually causes a Stack Overflow error? [duplicate]

...e is no more memory available. Description from Virtual Machine Errors (§6.3) StackOverflowError: The Java Virtual Machine implementation has run out of stack space for a thread, typically because the thread is doing an unbounded number of recursive invocations as a result of a fault in the ex...
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App Inventor 2 中文网 · 项目指南

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