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add the English post template using the Disqus service
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Jim
@@ -30,6 +30,7 @@ tags:
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###更多测试的结果
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下面的对比测试中我们对比一下不同丢包情况所导致的不同TCP吞吐率曲线。（前面一个小峰是带宽测试留下的。）
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下图是视频质量好的时候的TCP呑吐率情况
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下图是视频时断时续丟包
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@@ -0,0 +1,149 @@
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---
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layout: post-en
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title: Git Cook Book
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categories:
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- Common Tec
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tags:
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- Git
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---
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> 本文始于自己Evernote，由于大部分原本是英文记录的，所以干脆全部用英文。
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> Most of the content comes from my Evernote, therefore, this post will be updated once I have more on my note and your contribution is highly appropriated.
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----------
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### How to see simple git log?
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-------------
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```
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git log --oneline
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git log --oneline --graph --decorate
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git config --global alias.pl "log --oneline --graph --decorate"
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git log --oneline -3
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```
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### How to see log in another branch?
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-------------
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```
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git log origin/master..
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```
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### How to search keywords in commit comment (across all branches)?
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-------------
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If you want to know how a feature was implemented, you can start by search the keywords in the log history.
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`--grep` can bring you the entire commit message instead of ONE line which contains the keywords
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```
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git log --all --grep='a keyword'
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```
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### How to see history of one file?
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-------------
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```
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git log -- [filename] (show the log history)
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git log -p filename (git generate the patches for each log entry)
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gitk [filename] (Show the content changed)
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git log --follow <filename> (Show rename)
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```
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### How to only produce one commit for a merge?
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> Usually all local commit history will be merged to the target branch. Below command only produce a new commit for the merge.
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```
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git merge --squash bugfix
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git commit -m 'fix bug'
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```
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### How to only see local commit log?
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```
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git log --no-merges master..
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```
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### How to revert to a commit?
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```
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git reset --hard 4a155e5
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and then
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git push -f origin master
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```
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**Notice: git revert will not work here!**
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### How to find a lost commit?
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--------------
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> As a last resort in case your commit is dangling and not connected to history at all, you can search the reflog itself with the `-g` flag (short for `--walk-reflogs`)
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```
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git log -g --grep='Build 0051'
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```
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**Be aware that the reflog only contains the local history.**
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### How to know which branch is the most recent?
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--------------------
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> Sort the branches by commit time.
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```
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git config --global alias.latest "for-each-ref --sort=-committerdate --format='%(committerdate:short) %(refname:short)'"
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```
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**Usage:**
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```
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$ cd ~/Code/rails/rails && git latest
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2012-11-19 origin/master
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2012-11-19 origin/HEAD
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2012-11-19 master
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2012-11-19 origin/3-2-stable
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2012-11-03 origin/encrypted_cookies
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2012-11-03 origin/attributes_perf
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... snipped ...
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```
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**Show local branches only:**
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```
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git config --global alias.latest "for-each-ref --sort=-committerdate refs/heads --format='%(committerdate:short) %(refname:short)'"
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```
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### How to change the remote HEAD
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------------
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```
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git branch -a
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remotes/origin/HEAD -> origin/gh-pages
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remotes/origin/gh-pages
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remotes/origin/master
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git remote set-head origin master
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git branch -a
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remotes/origin/HEAD -> origin/master
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remotes/origin/gh-pages
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remotes/origin/master
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```
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### How to delete a remote git branch?
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-------------
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```
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git push origin --delete <branchName>
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```
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### How to delete the merge orig file?
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-------------
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```
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git clean -f
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```
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But beware... there's no going back. Use -n or --dry-run to preview the damage you'll do.
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`git-clean` Remove untracked files from the working tree
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If you want to also remove directories, run `git clean -f -d`
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If you just want to remove ignored files, run `git clean -f -X`
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If you want to remove ignored as well as non-ignored files, run `git clean -f -x`
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Note the case difference on the X for the two latter commands.
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### How to know the remote branch names?
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-------------
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```
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git branch -r
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```
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### How to rename a file?
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```
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$ git mv README README.md
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$ git commit -m "renamed"
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$ git push origin master
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```
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### How to pull a remote branch?
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-------------
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Before you can start working locally on a remote branch, you need to fetch it as called out in answers below.
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To fetch a branch, you simply need to:
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```
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git fetch origin
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git branch -r
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```
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This will fetch all of the remote branches for you. With the remote branches in hand, you now need to check out the branch you are interested in, giving you a local working copy:
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```
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git checkout -b test origin/test
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```
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