Let’s make a practise. Init local repositoryInitialize a local repository. 123mkdir learn-git ; cd learn-gitgit initgit remote add origin https://github.com/Rugal/learn-git.git First commitCreate

要说做梦这个事情也是很有意思的，可能临睡前的一瞬间听到的什么东西，梦里就会浮现出来相关的事情。睡前听了一下，只是听了一下那个厦门大学某教授在毕业典礼时的演讲，挺有趣，挺有意思。其中有一句话就好像是，“多年以后，你最能回想起来的就是你的大学时光”。我不清楚我到底是不是真的很怀念我的大学，但我知道我的大学确实挺不错的，环境、学术、同学。有一些恶心的东西，但总体还是不错的，在这个相对优越且单纯的校园里，

Concurrency Works on many different tasks at the same time. Notice different tasks may execute in different program logics.For example one PostgreSQL instance will spawn many processes to do diffe

曾经以为，咫尺就是我在车库里帮你开不了的锁，天涯就是那一座弁山曾经以为，咫尺就是在班里见到了你，天涯就是看你和男朋友有说有笑曾经以为，咫尺就是看着你从公交车上下来，天涯就是含泪送你上车 后来，看着手机里的可爱卖萌的你，仿佛手指都能戳到，一戳好像小脸还会凹进去 咫尺 可隔着薄薄的手机屏幕，就是隔着千山万水想你的时候不能说，因为说出来便有了无法拥抱的遗憾看你难过的时候不能只能口头安慰你，真

Basic setting123PGDATA=/var/lib/postgresql/9.3/main PGCONF=/etc/postgresql/9.3/main ARCHIVE_PATH=/opt/archive Enable archive modeSet wal_level to at least archive, please refer to Official Doc

Attributes in Execution plancost=0.00..290.45The first cost is the start-up cost of this node. The value here determines how much work is estimated to be done before the node produces its first r

Credit to this article. Young GenerationEdenAll objects will be created in this area.This area actually divided into some Thread Local Allocation Buffer(TLAB) for non-synchronizing buffer allocation

To reimburse different needs for references, Java provisioned different level of references type since 1.2.It actually meets some application requirement like caches. StrongThe normal reference, una

condition method Each phase has only one state 递推 Optimal state of each phase comes from phase right before 贪心 Optimal state of each phase comes from combination of state of overall phase be

IntroductionPostAction is associated with all post and partly thread related jobs.All interfaces of this controller is placed under /user path.All interfaces require authentication fields. APIAdd