changes in the workspace are all revoked, that is, the file back to the last git commit or git add, when the state, mistakenly deleted file recovery.Of course, you can also use the git reset command.git loggit log--pretty=oneline log simplifies displaygit log--graph--pretty=oneline--abbrev-commit branch Merge HistoryGit reflog view connit ID record Historygit log--statGit pull pushGit pull Origin Dev remote branch to this branchCreate + Switch branch: git checkout–b nameMerge a branch to the cu
shutting down the cluster or losing the work in progress. Yarn as its architecture center, Hadoop is constantly attracting new engines to run in the data platform as an organization that wants to efficiently store data in a single repository and interact with it in different ways at the same time.Thank you very much for all the contributors and the people who have worked with this release, there are nearly 900 Jira issues solved in four ways:Hadoop G
Publish Apache Hadoop 2.6.0--heterogeneous storage, long-running service and rolling upgrade supportI am pleased to announce that the Apache Hadoop community has released the Apache 2.6.0:http://markmail.org/message/gv75qf3orlimn6kt!In particular, we are pleased with the three major films in this release: heterogeneous storage using SSDs and memory tiers in HDFs, support for long running in yarn services and rolling upgrades, upgrade your cluster software, and then restart upgraded nodes without
, when merging branches, if possible, Git uses fast forward mode, but in this mode, the branch information is discarded after the branch is deleted. If you want to force the fast forward mode to be disabled, GIT will generate a new commit at merge, so you can see the branching information from the branch history. ) 20. Delete Branch $ git branch-d de v Forcibly delete a branch: $ git branch-d dev 21. View Branch consolidation $ git Log--graph--pretty=oneline--abbrev-com
called, realloc () allocates a new block).The second parameter is the new length of the block, assuming the length is smaller than the original, the block will not need to be copied. Simply tell the heap manager that the rest of the space is spare. Assuming the length is larger than the original, there is not enough space in the heap. So you want to allocate new blocks and copy the memory. ASSERT () Check to make sure that the operation was successful.(Assuming that the heap is exhausted, mallo
file under/etc/init.d/
Content:#!/bin/bash# CHKCONFIG:35 95 1# Description:script to Start/stop SmsafeCase is inStartsh/opt/startsms.sh;;Stopsh/opt/stopsms.sh;;*)echo "Usage: $ (start|stop)";;EsacChange permissions# chmod 775 Smsafe
Join Auto Start# Chkconfig–add Smsafe
View automatic startup settings# chkconfig–list Smsafe
Smsafe 0:off 1:off 2:off 3:on 4:off 5:on 6:off
You can start and stop scripts later with the following command# service Smsafe Start
# Service Smsafe Stop
==================
Related code:1.#include 2.#include 3.#include 4./* constructor with multiple parameters */#include 5.#ifndef nested_h_#define nested_h_class stack//This nested struct is called link, which includes a pointer to the next link in the table and a pointer to the data stored in the link, if the next pointer is zero, means the end of the table. {struct link/* note that although the stack has constructors and destructors, the nested class link does not, which is not to say it does not need. When
When using git pull code, you often encounter conflicting situations, prompting the following information:
Error:your local changes to ' C/ENVIRON.C ' would is overwritten by merge. Aborting.Please, commit your changes or stash them before you can merge.This means that there is a conflict between the updated content and the locally modified content, either by committing your changes or by temporarily storing the local changes first.
The process is
greater the responsibility. When executing git rebase, you may encounter merge conflicts. Merge conflicts indicate that the two submitted and modified the same row of the same file, and Git does not know which modification of the application. This will cause the following error message:
Now, the working directory is clean:
$ git status# On branch featurenothing to commit, working directory clean
In this case, you can switch the branch securely to do other things. But don't worry, the temporary
What should I do if the gitpull file conflicts with the local file? When using git pull code, conflicts often occur and the following information is prompted:
Error: Your local changes to 'C/environ. c' wocould be overwritten by merge. Aborting.Please, commit your changes or stash them before you can merge.This means that the updated content conflicts with the locally modified content. submit your changes or temporarily store the local changes.
Th
the branch, and then delete the temporary branch.
git stash: The current work site "storage", and so on after the resumption of the site to continue to workgit stash list: View the job site just now git stash apply : Reply to work sitegit stash drop: Delete Stash Conte
to be disabled, Fast forward git will generate a new commit at merge, so that branching information can be seen from the branch history
git merge --no-ff -m "merge with with no-ff" devPrepare to merge the Dev branch, note that the --no-ff parameter means disable Fast forward, because this merge creates a new commit, so with the-m parameter, write the commit description in
Bug BranchGit also provides a stash function that can "store" the
checkout: readme.txtplease, commit Your change s or stash them before you can switch branches.
The solution to this problem is the git stash command.
The command can get the middle state of the working directory-that is, the modified tracked file and the staged change-and save it to a stack of unfinished changes that can be re-applied at any time.
After running the "git
After mastering the basics of Git use, you may encounter some common problems. The following are some of the problems that cat Brother screening summary, share to friends, master the points in these questions, Git advanced also completed, it contains the following sections:
How to modify Origin warehouse information
How to configure Git ssh keys
How to undo Changes
How to solve the conflict
Git stash/alias/submodule usage issu
Restore"Git checkout--Create SSH Key$ ssh-keygen-t rsa-c "[Email protected]"Associate a remote warehouse Xx.git remote Warehouse AddressGit remote add Origin xx.gitThe first time you push all the contents of the master branchGit push-u Origin MasterTo clone a warehouse, you must first know the address of the warehouse and then clone it using the git clone command. GIT supports multiple protocols, including HTTPS, but the native GIT protocol supported by SSH is the fastest.git clone xx.gitView B
file to the previous version: git reset -- hard HEAD ^
View Command records: git reflog
Branch Operations
Create branch: git branch dev
Create and switch to the branch: git checkout-B dev
Switch branch: git checkout master
Delete branch: git branch-d dev
Merge with current branch: git merge dev
View branch: git branch
Remote warehouse operations
Create an SSH Key: ssh-keygen-t rsa-C "youremail@example.com"
Cl
When working with Git pull code, colleagues often encounter conflicting situations, prompting the following information:
Error:your local changes to ' C/ENVIRON.C ' would is overwritten by merge. Aborting.
Please, commit your changes or stash them before you can merge.
This means that there is a conflict between the updated content and the locally modified content, either by committing your changes or by temporarily storing the local changes first.
publish, or after the dev branch code is stable, it can be merged to the master branch.
7. Bug Branch:
During development, bugs are often encountered, so Bugs need to be fixed. In git, the branches are very powerful, and each bug can be fixed through a temporary branch, after the repair is completed, merge the branches and delete the temporary branches.
For example, when I receive a 404 bug during development, we can create a 404 branch to fix it. However, the work on the current Dev branch has
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