大约有 1,100 项符合查询结果(耗时:0.0301秒) [XML]

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用户界面(UI)组件 · App Inventor 2 中文网

...or说明: 主题颜色 这是用作 Android 主题部的主要颜色,包括“屏幕”标题栏颜色。 深色主题颜色 这是当 主题 属性指定为 深色 时使用的主要颜色。它适用于许多元素,包括“屏幕”的标题栏。 水平对齐 ...
https://www.tsingfun.com/ilife/relax/334.html 

现实版《道士下山》:道长老梁的四面人生 - 轻松一刻 - 清泛网 - 专注C/C++...

...口,真是叔可忍婶不可忍!” 老梁的微博 老梁花了40钟,引经据典,攒出一条半米长的长微博,从道教的玄学角度析南海对周边国家、及至世界格局的影响。当天,这条微博被转发6000多次,评论1000多条。 长微博里,老...
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What would cause an algorithm to have O(log log n) complexity?

...ximately log n digits in the number n, and approximately log (√n) = log (n1/2) = (1/2) log n digits in √n. This means that, each time you take a square root, you're roughly halving the number of digits in the number. Because you can only halve a quantity k O(log k) times before it drops down to ...
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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...,减小cpu的负载,让网卡计算校验和,利用网卡来执行tcp段, 将小包组装成大包再交给内核协议栈等。可以使用ethtool工具来开启相应特性。 网卡驱动调优 默认的ixgbe配置是在是在高吞吐和低延时之际的权衡, 可以更改相应...
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内存调试技巧:C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术

...我们先列出所有可能存在的实际问题: 内存泄漏 错误配,包括大量增加 free() 释放的内存和未初始化的引用 悬空指针 数组边界违规 这是所有类型。即使迁移到 C++ 面向对象的语言,这些类型也不会有明显变化;无论数...
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Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术

...息所打断。 不难看出,上例子中根据不同的业务功能划为独立的模块均作为独立的进程启动,模块内业务由于有并发处理的需求采用多线程编程,而各模块之间的信息交流则采用IPC通信的方式,后续会进行详细的介绍。 1.3...
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Big-O for Eight Year Olds? [duplicate]

...ind it useful to visualize it: Also, on LogY/LogX scale the functions n1/2, n, n2 all look like straight lines, while on LogY/X scale 2n, en, 10n are straight lines and n! is linearithmic (looks like n log n). share ...
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How efficient is locking an unlocked mutex? What is the cost of a mutex?

...hl $32, %%rdx\n\tor %%rdx, %0" : "=a" (end) : : "%rdx"); asm volatile ("\n1:\n\tdecl %%ecx\n\tjnz 1b" : "=c" (__d0) : "c" (loop_count - thread) : "cc"); return end - start; } The two rdtsc calls measure the number of clocks that it takes to lock and unlock `mutex' (with an overhead of 39 clock...
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Difference between CouchDB and Couchbase

...' REST endpoints compared to CouchDB, CouchBase has sql like language i.e. N1QL ( sometimes pronounced a Nickel). This is one of the reason why I don't really like / recommend using the term 'NoSQL'. I personally like term 'Non-relational'. ...
https://www.tsingfun.com/it/os_kernel/723.html 

将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...方法一.前言  Linux拥有丰富各种源代码资源,但是大部代码在Windows平台情况是无法正常编译的。Windows平台根本无法直接利用这些源代码资源...一.前言 Linux拥有丰富各种源代码资源,但是大部代码在Windows平台情况是无法...