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One line if statement in Ruby

烂漫一生 提交于 2019-12-02 09:32:06
I have following piece of code: if day > 31 day -= 31 month = "April" end Can I write it in one line different than: if day > 31 then day -= 31 and month = "April" end ? I've tried it like: if day > 31 {day -= 31; month = "April"} But it doesn't work (day -= 31; month = "April") if day > 31 Alternate way (As suggested by @mudasobwa in comments below) : day, month = day - 31, "April" if day > 31 来源: https://stackoverflow.com/questions/27166803/one-line-if-statement-in-ruby

Can I safely rebase one branch into other and then to master?

送分小仙女□ 提交于 2019-12-02 09:08:06
I have to development branches and I found branch B depending on code from branch A . I want to rebase A into B so I can keep on developing B . Soon A will be merged to master (before B ), but not now. Then, when I merge B , will it break the reference from having A rebased on it? Can I just then rebase B on master and all will be fine or do I need to do any special step? Note that git (and pretty much all other version control systems) calls this rebasing on to, not in to. You may indeed do this kind of rebase. However, it's important to know that when you rebase some commit(s), git actually

Bitwise operators, not vs xor use in branching

梦想与她 提交于 2019-12-02 08:13:21
After asking this SO question , I received a very interesting comment from @AndonM.Coleman that I had to verify. Since your disassembled code is written for x86, it is worth pointing out that XOR will set/clear the Zero Flag whereas NOT will not (sometimes useful if you want to perform a bitwise operation without affecting jump conditions that rely on flags from previous operations). Now, considering you're not writing assembly directly, you really have no access to this flag in a meaningful way so I doubt this is the reason for favoring one over the other. His comment got me curious if the

Git常用命令

南楼画角 提交于 2019-12-02 08:08:52
资源列表: Git Book 深入浅出Git教程(转载) Git使用详细教程 名词介绍 Workspace :工作区 Index/Stage :暂存区,也叫索引 Repository :仓库区(或本地仓库),也存储库 Remote :远程仓库 理解这些名词,在脑中形成知识体系,便于理解下面具体命令。 git常用命令 创建SSH Key $ ssh-keygen -t rsa -C "youremail@example.com" 仓库 # 在当前目录新建一个Git代码库 $ git init # 新建一个目录,将其初始化为Git代码库 $ git init [project-name] # 下载一个项目和它的整个代码历史 $ git clone [url] 增加/删除文件 # 添加指定文件到暂存区 $ git add [file1] [file2] ... # 添加指定目录到暂存区,包括子目录 $ git add [dir] # 添加当前目录的所有文件到暂存区 $ git add . # 添加每个变化前,都会要求确认 # 对于同一个文件的多处变化,可以实现分次提交 $ git add -p # 删除工作区文件,并且将这次删除放入暂存区 $ git rm [file1] [file2] ... # 停止追踪指定文件,但该文件会保留在工作区 $ git rm --cached [file

Git多人协作维护仓库简单流程

别说谁变了你拦得住时间么 提交于 2019-12-02 06:32:57
Git多人协作维护仓库简单流程与常用指令总结 命令: git diff <branch name> 比较当前分支和另一个分支的区别 git merge x 将x分支合并到当前分支 git add . 或 git add -A 会提交所有修改 git commite -m "" git branch -b x 创建新的分支 git branch 查询当前有哪些分支,以及位于哪个分支 git remote -v查看当前远程仓库 git branch -d dev 删除没有未提交内容或未合并的分支 git branch -D dev 强制删除含未提交内容或未合并的分支 ... 使用 多人协作(一个简单流程) 通过clone克隆远程仓库 $ git clone git@github.com:michaelliao/gitskills.git 把自己远程仓库更新,保持与原作者仓库同步。(在GitHub网页上操作即可,即保持源仓库与自己fork的仓库内容同步) 把自己的本地库更新,更新方法使用如下指令 git pull origin master 以上指令可以把远程仓库的master分支,合并到当前分支 或者等价于 git fetch origin master:tmp git diff tmp git merge tmp git branch -d tmp

In Git, how do you see and manage commits that aren't in a branch?

僤鯓⒐⒋嵵緔 提交于 2019-12-02 06:32:40
问题 A commit isn't necessarily in a branch, so how do you see and manage these commits? Also, is it possible to look at these commits from gitk? Thanks a lot! PS: just to make things clearer, here is an example: git init git commit touch toto git add toto git commit -a echo $RANDOM > toto git commit -a git checkout f798e54 #checkout initial commit echo $RANDOM > toto git commit -a #"untracked commit" gitk --all git branch git log git checkout master #back on the main branch gitk --all #untracked

Split branch into one branch per commit

北慕城南 提交于 2019-12-02 06:09:35
In this project I'm working on, I'm supposed to commit my progress to a repo using pull requests, and every commit has to be in a different branch. The problem is that the last 3 commits were pushed in a single pull requests and I'm supposed to move them into separate branches each. I tried reverting and creating new branches but it got messed up and I'm back at square 1. In this answer, I will assume that your branch is called feature , and that feature has the three commits in question as its three most recent commits. Create a new branch from feature : git checkout -b onecommit Nuke the two

Can I pull only certain files from another git repository?

前提是你 提交于 2019-12-02 05:55:36
问题 For instance, suppose I have Repository 1 and Repository 2. Repository 1 has a file /a/b/c/d . Would it be possible for me to import this file into Repository 2 as /e/f/g/h ? The reason being that I want to pull in changes from an experimental branch from a different git repository. I tried merging everything together, but there were a ton of conflicts (of every kind). Therefore, I doubt that I can merge the entire branch in, but I would like to try to bring in as much as I can. Is there any

本地git push至github遇到Everything up-to-date的问题

人盡茶涼 提交于 2019-12-02 05:53:25
当在本地环境推送代码至GitHub时,有时可能会遇到,没有报错error,执行git push后最后看见提示Everything up-to-date 但是打开github上并没有看见新推的代码。 其实git提交代码到缓冲区,要push至github上的时候不会将本地所有的分支都推,而此时我们本地环境可能就只有一个master主分支。那么我们就需要新建分支来提交改动,然后合并分支到master。 [root@WangtingCentOS wangting837]# git branch * master 解决方式: [root@WangtingCentOS wangting837]# git branch newbranch [root@WangtingCentOS wangting837]# git branch * master newbranch [root@WangtingCentOS wangting837]# [root@WangtingCentOS wangting837]# git checkout newbranch Switched to branch 'newbranch' [root@WangtingCentOS wangting837]# git branch master * newbranch [root@WangtingCentOS

git常用命令

喜你入骨 提交于 2019-12-02 05:07:33
1.查看本地分支 git branch 2.查看本地和远程分支 git branch -a :红色为远程分支 3.删除本地分支: git branch -d [branchname] 4.创建分支修改代码过程 1.以当前分支的代码创建分支,并切换到新分支 git checkout -b xxx 2.修改代码 3.提交本地修改 git commit -a -m "xxx":-a 相当于提交前的add 4.切换到要提交的分支 git checkout developer ​​​​​​​5.拉取最新的developer代码 ​​​​​​​git pull ​​​​​​​6.合并分支 ​​​​​​​git merge 新分支名 ​​​​​​​取消merge ​​​​​​​git checkout developer git reflog git reset --hard 之前的版本号 ​​​​​​​​​​​​​​7.git push origin developer 8.idea中查看修改历史 ​​​​​​​​​​​​​​5.不同分支环境不同,要分别checkout新分支 修改提交 6.要记录修改 来源: https://blog.csdn.net/qq_39459099/article/details/102717692