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不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...linux 变成一台路由器
Zebra介绍介绍
Zebra 是一个 TPC/IP 路由软件，支持 BGP-4、BGP-4+、OSPFv2、OSPFv3、RIPv1、RIPv2 和 RIPng。它的发行遵循 GNU 通用公共许可协议，可以运行于 Linux 以及其他一些 Unix 变体操作系统上。Zebra 是那些系...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
I was looking for the fastest way to popcount large arrays of data. I encountered a very weird effect: Changing the loop variable from unsigned to uint64_t made the performance drop by 50% on my PC.
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
.../globabook.cf
SYS_MESSAGE_SIZE_LIMIT = 5242880
用户可以发送的最大邮件
SYS_USER_LANG = en_US
语言选项，可改作：
SYS_USER_LANG = zh_CN
SYS_MAILDIR_BASE = /home/domains
此处即为您在前文所设置的用户邮件的存放目录，可改作：
SYS_MAILDI...
Java 256-bit AES Password-Based Encryption
...ible to set the key length to 128-bits? Modifying security folder in every PC is not an option for me.
– IvanRF
Jul 17 '15 at 16:36
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What techniques can be used to speed up C++ compilation times?
...ossibleChoices = {Option1, Option2, Option3}
template <PossibleChoices pc>
struct foo { };
We know that this class can have three possible instantiations:
template class foo<PossibleChoices::Option1>;
template class foo<PossibleChoices::Option2>;
template class foo<PossibleCho...
What happens when a computer program runs?
...registers vary for other CPU architectures, such as ARM, MIPS, Alpha, PowerPC, but all of them execute instructions without passing them through the ALU.
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How to get HTTP Response Code using Selenium WebDriver
...ressions). First detect the start of the request, identifying its id (nsHttpChannel::BeginConnect [this=000000CED8094000]), then at the second step, find the response code for that request id (nsHttpChannel::ProcessResponse [this=000000CED8094000 httpStatus=200]).
import java.io.File;
import java.i...
Controlling fps with requestAnimationFrame?
...hese two methods will ensure your script will run at the same speed on any PC, phone, tablet, etc (within the capabilities of the device and the browser, of course).
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Daylight saving time and time zone best practices [closed]
...is process rather than doing it manually?
– saravana_pc
Dec 13 '13 at 9:36
2
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Cross-browser testing: All major browsers on ONE machine
...lable for other virtualization products such as VMware, Parallels, Virtual PC and Hyper-V)
IE6 XP image for VirtualBox on Windows about 764MB
IE6 XP image for VirtualBox on Mac about 717MB
IE6 XP image for VirtualBox on Linux about 771MB
Preparing the image for use:
VirtualBox settings: Enable ...