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Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
...o I'm trying to move a "close" button to the left side when the user is on Mac and the right side when the user is on PC. Now I'm doing it by examining the user agent, but it can be too easily spoofed for reliable OS detection. Is there a surefire way to detect whether the OS on which the browser is...
Testing web application on Mac/Safari when I don't own a Mac
...me and Safari on Windows but was corrupted when viewed using Safari on the Mac (by a potential customer), I need to start testing how my sites look when viewed on a Mac.
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无人驾驶汽车大难题 人工智能同人的差距显著 - 资讯 - 清泛网 - 专注C/C++...
...辅助汽车正确行驶在公路上。但在恶劣天气情况下，上述系统不足以应对恶劣的环境。
从技术路径上看，互联网公司的汽车智能化选择更加直接，希望一开始就做到机器对方向盘的“接管”，完全无需人工介入。但要想实现，...
bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...at: 这个是tracepoint探针类型(内核静态跟踪)，当进入openat()系统调用时执行该探针。相比kprobes探针(内核动态跟踪，在第6节介绍)，我们更加喜欢用tracepoints探针，因为tracepoints有稳定的应用程序编程接口。注意：现代linux系统(glibc >...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
Redis消息通知系统的实现最近忙着用Redis实现一个消息通知系统，今天大概总结了一下技术细节，其中演示代码如果没有特殊说明，使用的都是PhpRedis扩展来实现的。内...最近忙着用Redis实现一个消息通知系统，今天大概总结了一...
Use PPK file in Mac Terminal to connect to remote connection over SSH [closed]
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You can ssh directly from the Terminal on Mac, but you need to use a .PEM key rather than the putty .PPK key. You can use PuttyGen on Windows to convert from .PEM to .PPK, I'm not sure about the other way around though.
You can also convert the key using putty for M...
Connect Device to Mac localhost Server? [closed]
How do I allow any device, e.g., iPhone, to connect over a WLAN to my Mac's localhost server?
14 Answers
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What is a regular expression for a MAC Address?
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The standard (IEEE 802) format for
printing MAC-48 addresses in
human-friendly form is six groups of
two hexadecimal digits, separated by
hyphens - or colons :.
So:
^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$
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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是只给出啥啥啥不能用，啥啥啥该咋用等，却很少有较为系统的进行真正性能案例分析的，大多数都是嘴上喊喊或者死记住规则而已（当然了，这话我自己听着都有些刺耳，实在不好意思，其实关于性能优化的优质博文网上也还...
一个故事告诉你比特币的原理及运作机制 - 创意 - 清泛网 - 专注C/C++及内核技术
...视角下的比特币原理，那里会从技术人员的视角对比特币系统中较为关键的数据结构、算法和协议进行一些讲解。
在这篇文章中我会给出一个虚拟的村庄叫“比特村”，整个文章会以讲故事的方式，逐步告诉大家比特币提出的...