$ git push error: The requested URL returned error: 403 Forbidden while accessing https://github.com/HarryWei/hummer.git/info/refs fatal: HTTP request failed Replace (or add) url=ssh://git@github.com/HarryWei/hummer.git with url=https://git@github.com/HarryWei/hummer.git under “[remote “origin”]” section in ~/.gitconfig file. Reference:http://stackoverflow.com/questions/7438313/pushing-to-git-returning-error-code-403-fatal-http-request-failed
How to merge upstream into local fork repo with git? Merging an upstream repository into your fork: https://help.github.com/articles/merging-an-upstream-repository-into-your-fork/ Merging an upstream repository into your fork: https://help.github.com/articles/merging-an-upstream-repository-into-your-fork/
When we compile some project, it needs older version gcc/g++ version. So how to insall older ones in ubuntu 16? Install older gcc/g++ version sudo apt-get install gcc-4.4 g++-4.4 g++-4.4-multilib gcc-4.4-multilib Set gcc/g++ version to be used automatically sudo update-alternatives –install /usr/bin/gcc gcc /usr/bin/gcc-4.4 50 sudo update-alternatives –install /usr/bin/g++ gcc /usr/bin/g++-4.4 50 You may need…
After I installed XEN hypervisor, the tty0 (CTRL+ALT+F1) prints “powernow-k8 transition frequency failed” to STDOUT continously, how to solve it? sudo rmmod powernow_k8 From https://lists.debian.org/debian-user/2013/01/msg00754.html How to make the settings persistent (take effect after reboot)? 1, Create script file ‘/etc/init.d/stop_pwoerk8.sh’ as follows. harry2vera@node1:/etc/init.d$ cat stop_pwoerk8.sh #! /bin/sh rmmod powernow_k8 2, Add the full PATH of…
When you replace dynamic IP to static IP, you may need to restart your netwrok on Debian as follows. $sudo /etc/init.d/networking restart … …. reconfiguring network interfaces…rtnetlink answers file exists … However, error happens here “rtnetlink answers file exists”. How to solve it??? Run following commands could solve this problem # ip addr flush dev…
I cannot login desktop in Ubuntu Precise. It told me following errors: Could not write bytes: Broken Pipe… Check Battery Satte Actually, I tried many ways to solve this problem. It seems that something wrong with my lightdm software so, at last, I use gdm software to replace lightdm to kill this problem. Just install…
I want to submit my paper to NAS 2015 but I am confused about its double-blind review 盲审又包括单盲审（Single-Blind Peer Review, SBPR）和双盲审（Double-Blind Peer Review, DBPR）。双盲审是审者与作者之间互相都不知道彼此身份的匿名评审。在双盲审的过程中，中间组织者的规范和保密工作很重要。单盲审一般是审者知道作者的身份，而作者不知道审者是谁。 计算机有不少会议实行双盲评审。 Reference: http://emuch.net/html/201104/3022021.html
Currently, I need to integrate MySQL client into SQLE as SQLE’s client. And then, we just need design/implement a translation layer to transfer MySQL protocol into SQLE engine part (KV+ internal exactly). Mysql-Proxy could solve this problem but it is complex to be only a MySQL server. Therefore, I remoduled MySQL-proxy to be more simple…
Suppose I have following branches harryxiyou@common_vm ~/forest/sqle/sqle/scripts $ git branch * dev-harry master rc After I did some changes on dev-harry branch, I wanted to merge dev-harry into rc branch. 1, git checkout rc 2, git merge dev-harry References:http://stackoverflow.com/questions/24147169/merge-two-remote-branches-in-githttps://www.atlassian.com/git/tutorials/using-brancheshttp://git-scm.com/book/en/v2/Git-Branching-Basic-Branching-and-Merging I usually add –no-ff during git merge to force git to add a commit for the…
Differences beween DDL (Data Definition Language) and DML (Data Manipulation Language) Data Definition Language (DDL) statements are used to define the database structure or schema. Data Manipulation Language (DML) statements are used for managing data within schema objects. References:http://www.orafaq.com/faq/what_are_the_difference_between_ddl_dml_and_dcl_commands
We may need to maintain a dev-name branch on git remote server to share your codes. How to create the branch? 1, git checkout -b your_branch_name 2, Do your changes, add commit 3, git push origin your_branch_name References:http://stackoverflow.com/questions/1519006/how-do-you-create-a-remote-git-branch
How to remove .svn directories under hlfs dir recursively as follows. weiwei@weiwei-HP-Compaq-dx6128-MT-PX478AV:~/workshop1/hlfs > find ./ -name “.svn” ./test/build/.svn ./test/.svn ./output/conf/.svn ./output/lib32/.svn ./patches/.svn ./src/include/.svn ./src/include/api/.svn ./src/snapshot/.svn ./src/snapshot/unittest/build/.svn ./src/snapshot/unittest/.svn ./src/utils/.svn ./src/clean/Mapreducer/build/.svn ./src/clean/Mapreducer/.svn ./src/clean/.svn ./src/clean/unittest/.svn ./src/icache/.svn ./src/icache/unittest/.svn ./src/backend/.svn ./src/storage/.svn ./src/cache/.svn ./src/cache/unittest/.svn ./src/clone/.svn ./src/tools/.svn ./src/tools/unittest/.svn ./src/logger/.svn weiwei@weiwei-HP-Compaq-dx6128-MT-PX478AV:~/workshop1/hlfs > find ./ -name “.svn” | xargs rm -rf
The host os is connected into network by wireless one so how to let its guest os connect network. Take [1] as a reference. I run it successfully with following steps. 1, create /etc/qemu-ifup script and chmod it. 2, start a qemu guest os with command sudo ./qemu/qemu-system-x86_64 -enable-kvm -m 1024 -drive file=marss_dram.qcow2 -vnc 127.0.0.1:0…
Some important concepts in distributed system like Hadoop distributed file system, Google file system and so on. Answer from http://www.quora.com/Whats-the-difference-between-Reliability-Durability-and-Availability-for-data-storage-system The difference between durability and availability is fairly simple. Durability is about what happens when all power goes out everywhere. Has all data been written to stable storage that doesn’t require power (e.g. disk/flash), in…
I wanna migrate leveldb (code.google.com/p/leveldb) to my github repository. Create a new repo on github.com with this link https://help.github.com/articles/creating-a-new-repository git clone https://code.google.com/p/ project-name.git Set the remote origin url as follows: git remote set-url origin https://github.com/ username/ repo-name.git git pull to pull the latest. git push origin master after making local changes. This is the original…
How to the number of files in a directory ls | wc -l works well for me. http://stackoverflow.com/questions/3702104/find-the-number-of-files-in-a-directory
Sometimes, we need to write paper reviews after read many papers which belong to a specific area (like information retrieval). I have found some useful links which are as follows. http://www.uwlax.edu/biology/communication/ReviewPapers.htmlhttps://users.ece.utexas.edu/~miryung/teaching/EE382V-Fall2009/review.html
Should I buy a Kindle paperwhite or regular Kindle? Actually, you can click the following link to get the answers :-)http://www.reddit.com/r/kindle/comments/16in81/should_i_get_a_paperwhite_or_regular_kindle/
Introduction In general, if we want to debug Linux Kernel, there are lots of tools such as Linux Perf, Kprobe, BCC, Ktap, etc, and we can also write kernel modules, proc subsystems or system calls for some specific debugging aims. However, if we have to instrument kernel to achieve our goals, usually we would not…
Introduction As we know, network subsystems are important in computer systems since they are I/O systems and need to be optimized with many algorithms and skills. This article will introduce how QEMU/KVM [2] network part works. In order to put everything simple and easy to understand, we will begin with several examples and then understand…