大约有 16,000 项符合查询结果(耗时:0.0247秒) [XML]

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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...浮点数会慢(除非大于100,000,000,000,000),或是会有精度问题。 你可以以如下的方式表示数字,0x开头的16进制和C是很像的。 1 2 3 4 5 6 7 num = 1024 num = 3.0 num = 3.1416 num = 314.16e-2 num = 0.31416E1 num = ...
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Can you explain the concept of streams?

... the compressed form on to another stream, or one which encrypts the data, etc. At the other end there'd be the reverse chain, decrypting, decompressing or whatever. share | improve this answer ...
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How would you access Object properties from within an object method? [closed]

...uent objects;Pen.dispenseInkOnto(Surface) makes more sense to me than Pen.getColor(). Getters and setters also encourage users of the class to ask the object for some data, perform a calculation, and then set some other value in the object, better known as procedural programming. You'd be better se...
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Apache and Node.js on the Same Server

...or file handling (saving, editing, renaming, downloading, uploading files, etc.), he wants to use apache. So, I must: 10 A...
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如何高效的学习掌握新技术 - 杂谈 - 清泛网 - 专注C/C++及内核技术

...当于又打开了一扇新的大门,可以从更宽广的角度来看待问题。 从心理学的角度来说,我们对于外部世界的认识可分为三个区域:舒适区,学习区,和恐慌区。我们所熟悉的技术领域就是舒适区,而新技术是处于学习区或恐慌...
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.htaccess rewrite to redirect root URL to subdirectory

...infinite redirect, since /subfolder is redirected to /subfolder/subfolder, etc... the RewriteCond %{REQUEST_URI} !^/subfolder makes sure that if a URL is already redirected, it's not done again – patrick Aug 23 '18 at 19:04 ...
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如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...人若想在效率市场持续稳定的赢利,必须成功的解决两大问题:1、如何在高度随机的价格波动中寻找非随机的部分;2、如何有效的控制自身的心理弱点,使之不致影响自己的理性决策。很多投资家的实践都证明,交易系统在上...
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Using semicolon (;) vs plus (+) with exec in find

...ecute multiple commands (separately for each argument), Example: $ find /etc/rc* -exec echo Arg: {} ';' Arg: /etc/rc.common Arg: /etc/rc.common~previous Arg: /etc/rc.local Arg: /etc/rc.netboot All following arguments to find are taken to be arguments to the command. The string {} is repl...
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What is the best way to prevent session hijacking?

...to notify the user of why they're being challenged // for login again, etc. } What this does is capture 'contextual' information about the user's session, pieces of information which should not change during the life of a single session. A user isn't going to be at a computer in the US and in ...
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Facebook share button and custom text [closed]

...ttp://www.facebook.com/sharer/sharer.php?u=YOUR_URL">Facebook</a> etc. – Mateng Sep 6 '12 at 9:39 Perfect, th...