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开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
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2. 更快:
postfix在性能上大约比sendmail快三倍。一部运行postfix的台式PC每天可以收发上百万封邮件。
3. 兼容性好:
postfix是sendmail兼容的,从而使sendmail用户可以很方便地迁移到postfix。Postfix支持/var[/spool]/mail、/etc/aliases、 NI...
搭建高可用mongodb集群(一)——配置mongodb - 大数据 & AI - 清泛网 - 专...
... = -54 secs ago (-0.01hrs)
到此主从结构的mongodb搭建好了。
故障转移测试,现在两台服务器如果主服务器挂掉了,从服务器可以正常运转吗?
b、如果从服务器挂掉,主服务器还可以提供服务。如果主服务器挂掉了从服务器能否自...
CPU指令集avx程序无法运行,运行崩溃 - C/C++ - 清泛网 - 专注C/C++及内核技术
CPU指令集avx程序无法运行,运行崩溃cpu_avx_run原因就是CPU不支持相应的指令集导致的。Linux上使用 lscpu 命令查看CPU指令集,看是否支持。比如_mm256_cmpeq_epi64 这个函数需要avx2指令集,但是CPU不支持,就导致程序崩溃起不来。原因...
【ChatGPT回答】安卓.apk在设备上运行闪退,具体怎么定位原因? - App应用...
安卓 .apk 文件在设备上运行闪退的原因可能有很多种,定位问题的关键步骤如下:
1. 使用日志工具Logcat:Android 提供的 Logcat 日志工具可以帮助开发者定位问题。你可以使用 Android Studio 或者命令行工具来捕获和分析应用运行时...
git update-index --assume-unchanged returns “fatal unable to mark file”
...ed when executing ls-files -o, and I still received the same error "fatal: Unable to mark file".
I thought that perhaps it was a bug, and downloaded the latest version of git, but this did not help.
What I finally realized is that this command is case sensitive! This includes the full path and fi...
libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
...试libev_libevent_bench本文档简要描述了针对 libevent 和 libev 运行 libevent 基准程序的结果。Libevent 概述Libevent(于 2000-11-14 首次发布)是一个高性能事件循环,支持简单的 API、两 Google翻译自:http://libev.schmorp.de/bench.html
本文档简要...
ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...s类型
3.1.1.1加入我们自己的debug消息
3.1.2 wine的类型
3.2 运行时开启verbosity
3.3 进入内置的内核调试器
3.3.1 动态调试
3.3.1.1 在用户态异常中断
3.3.2 静态调试
3.4 生成backtrace
3.5 翻译地址
3.6 开启内核trace
简介
如果你想为ros...
Git stash pop- needs merge, unable to refresh index
...nch which apparently conflicts with my stash and now my stash is seemingly unable to be popped.
10 Answers
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Git error on git pull (unable to update local ref)
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My team and I ran into this error, unable to update local ref, when doing a pull in SourceTree.
We used :
git gc --prune=now
This removes any duplicate reference objects which should fix the issue.
Here are a few links where you can learn more about git ...
Using OpenSSL what does “unable to write 'random state'” mean?
...ot abort with a "PRNG not seeded" error message, but complains that it is "unable to write 'random state'". This message refers to the default seeding file (see previous answer). A possible reason is that no default filename is known because neither RANDFILE nor HOME is set. (Versions up to 0.9.6 us...
