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Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...是我们需要考虑的性能点之一。这种应用常见于消息推送系统,也称为comet应用,比如聊天室或即时消息推送系统等。comet应用具体可见我之前的介绍,在此不多讲。对于这类系统,因为很多消息需要到产生时才推送给客户端,...
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Grep characters before and after match?

... 3 characters before and 4 characters after $> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}' 23_string_and share | improve this answer | ...
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ValueError: invalid literal for int() with base 10: ''

...answered Apr 23 '19 at 3:21 Brad123Brad123 49233 silver badges66 bronze badges ...
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Sorting a list using Lambda/Linq to objects

... answered Jan 2 '13 at 16:32 gls123gls123 4,89922 gold badges2424 silver badges2626 bronze badges ...
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Easiest way to compare arrays in C#

...or tuples via using StructuralComparisons type: object[] a1 = { "string", 123, true }; object[] a2 = { "string", 123, true }; Console.WriteLine (a1 == a2); // False (because arrays is reference types) Console.WriteLine (a1.Equals (a2)); // False (because arrays is reference types) IStruct...
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iPhone App 开发第一步:从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...

..._Workstation_wmb.zip Mac OSX 系统Snow Leopard 10.6: [苹果雪豹操作系统正式版].snowleopard_10a432_userdvd.dmg,下载地址已经丢失,估计verycd或其它网上有很多,下载下载是10.6的系统 darwin_snow_legacy.iso:http://hot23.down.115.com/gdown_hot23/66/57...
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Using an integer as a key in an associative array in JavaScript

...ered Mar 24 '14 at 12:51 Jesuslg123Jesuslg123 55644 silver badges1515 bronze badges ...
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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

tcp加速技术解决方案tcp-accelerate-report需求和现状行业需求近年来,随着互联网在全球的快速发展和普及,网民数量的增加,生活中各方面对互联网依赖的增强,带来互联网访问量的爆发性增长。 并且随着web页面内容元素越来 ...
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剖析程序的内存布局 - C/C++ - 清泛网 - 专注C/C++及内核技术

...来自己复习,二来与大家分享。] 内存管理模块是操作系统的心脏;它对应用程序和系统管理非常重要。今后的几篇文章中,我将着眼于实际的内存问题,但也不避讳其中的技术内幕。由于不少概念是通用的,所以文中大...
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How to get the first element of the List or Set? [duplicate]

...wered Jan 27 '15 at 11:18 Sonson123Sonson123 8,81199 gold badges4646 silver badges6868 bronze badges ...