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How to find the history of updated packages by apt-get or aptitude?
ByEric MaHow to find the history of updated packages by apt-get or aptitude? The history is in log files of dpkg and apt: /var/log/dpkg.log /var/log/apt/history.log /var/log/aptitude To check the recently installed packages: cat /var/log/dpkg.log | grep ” install ” To list history of recently installed packages by apt-get: cat /var/log/apt/history.log | grep ” install ” To…
Linux Kernel: fs: handle SEEK_HOLE/SEEK_DATA properly in all fs’s that define their own llseek
ByTonyThis change “fs: handle SEEK_HOLE/SEEK_DATA properly in all fs’s that define their own llseek” (commit 06222e4) in Linux kernel is authored by Josef Bacik <josef [at] redhat.com> on Mon Jul 18 13:21:38 2011 -0400. Description of “fs: handle SEEK_HOLE/SEEK_DATA properly in all fs’s that define their own llseek” The change “fs: handle SEEK_HOLE/SEEK_DATA properly in…
How to check whether a file of a given path is a block device in Python?
ByQ AHow to check and test whether a file of a given path is a block device in Python? This can be Linux specific. You can use the os.stat() function to get the stat of the path. Then use the stat.S_ISBLK() function against the stat’s .st_mode to test whether it is a block device. An example:…
How to Add “nomodeset” to Grub2 in Fedora and Ubuntu
ByEric MaI need to add nomodeset to make my GPU card work on Linux. Latest Fedora and Ubuntu and their derives use grub2. How to add nomodeset permanently to grub2 on Fedora and Ubuntu? The parameters grub2 will use are stored in its grub.cfg file. The grub.cfg file is generated from grub’s default settings file /etc/default/grub….
How to check CPU working frequency in iOS on iPhone?
ByEric MaHow to check CPU working frequency in iOS on iPhone, such as my iPhone 6? The Litum Info Lite free app (Litum Info full version app) can show you the info of CPU including its frequency. The CPU frequency: You can find the CPU info page from the menu: Read more: Printing “powernow-k8 transition frequency…
What is Double-Blind review for a paper?
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 Read more: When should the authors anonymize themselves in a paper submitted to a conference for review? How to write paper reviews? How to convert A4 paper format…