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list every font a user's browser can display
... of not working on some devices ( iDevices, browsers without Flash plugin, etc), or a partial list with better support via JavaScript only.
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Do HTML WebSockets maintain an open connection for each client? Does this scale?
...content type, conetent length, user-agent, server id, date, last-modified, etc. Once a WebSockets connection is established, only the data required by the application needs to be sent back and forth.
Typically, HTTP servers are configured to log the start and completion of every HTTP request taking ...
Wi-Fi 是什么的缩写 - 创意 - 清泛网 - 专注C/C++及内核技术
...试产品是否符合标准，导致 802.11 产品间的互通频频出现问题，而联盟的成立就是为了填补这一空缺。联盟还将推广符合 802.11 标准的无线网络技术作为己任，因此他们认为需要一个朗朗上口的名字来代替拗口的专业术语（呃…...
Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
...above, so here's the cleaned up version. In this example I'm stopping the CPU profiler when receiving Ctrl+C.
// capture ctrl+c and stop CPU profiler
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt) ...
Check if element exists in jQuery [duplicate]
...d to write the code in assembly and then manually twiddle some bits in the CPU's registers, instead of simply calling a method like .isNegative(). Checking the value of a 'length' property clutters things up. I'd rather see something like a .exists() method, which is instantly recognizable while s...
What's the best free C++ profiler for Windows? [closed]
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Here is the link for CodeAnalyst: developer.amd.com/CPU/CODEANALYST/Pages/default.aspx
– epotter
Feb 19 '09 at 17:19
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What's the best way to convert a number to a string in JavaScript? [closed]
... string (in terms of speed advantage, clarity advantage, memory advantage, etc) ?
23 Answers
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Microsecond timing in JavaScript
... above, until the numbers become ultra-stable (loading time, JIT compiler, etc). 4. NOTE: The stability of the number gives you your attainable precision on an idle system. You can calculate the variance, if you need to self-check the precision. The variances are bigger on some browsers, and smal...
What does Docker add to lxc-tools (the userspace LXC tools)?
...ur machine's specific configuration: networking, storage, logging, distro, etc. Docker defines an abstraction for these machine-specific settings, so that the exact same docker container can run - unchanged - on many different machines, with many different configurations.
Application-centric. Docke...
App Inventor 2 试验组件 · App Inventor 2 中文网
...t 的输出）。
方法
对话(question)
向聊天机器人询问问题，连续的对话将记住先前对话中的信息，使用 重置对话 方法重置开始新的对话。
重置对话()
重置当前对话，聊天机器人在回复时会忘记之前的任何对话。
Fireb...