HOW (AND HOW NOT) TO WRITE A GOOD SYSTEMS PAPER [This article first appeared in ACM SIGOPS Operating Systems Review, Vol. 17, No. 3 (July, 1983), pages 35-40. Every effort has been made to keep the text in this document identical to that of th
Step 1: 配置安装库 [root@iZbp1ehco2fi1l7bj6hhphZ ~]# vi /etc/yum.repos.d/mongodb-org-4.2.repo Step 2: 将需要更新的package更新到源中的最新版。（yum update和yum upgrade的功能都是一样的，都是将需要更新的package更新到源中的最新版。唯一不同的是，yum upgrade会删除旧版
https://careerfoundry.com/en/blog/data-analytics/data-analysis-techniques/ Data analytics is the process of analyzing raw data to draw out meaningful insights. These insights are then used to determine the best course of action. When is the best time to r
How to reset a commit You could follow these steps to revert the incorrect commit(s) or to reset your remote branch back to correct HEAD/state. 1.checkout the remote branch to local repo. git checkout your_branch_name 2.copy the commit hash (i.e. id of t
下次给一个 vector 搞 unique 之前，一定要记得给它排序！！1（少点自以为是） 对一个 set “同时”删除两个数时，一定要注意特判两个数是否重复/重叠。 有两个序列，一个长度为 $n$，一个长度为 $cnt$，给我看清楚 $cnt$ 有没有写成 $n$ （特别是草稿纸上推公式用的是 $n$ 的时候）
前言 传送门 : 思路 状态表示 ; f [ n ] [ h ] f[
How to search for just a specific file type in Visual Studio code? Click the ellipses on the bottom right to display the "files to include" field. You can specify a particular type with "*.filetype". E.g.
Testing for Weak Password Policy Summary The most prevalent and most easily administered authentication mechanism is a static password. The password represents the keys to the kingdom, but is often subverted by users in the name of usability. In each of t
游戏黑客圣经（Game Hacking Bible1） 我在这里记录我所有课程的学习笔记，包括一些小技巧以及源码，俗话说好记性不如烂笔头，写在这里，用于温故而知新。 前言 学习游戏黑客的必备条件 智力努力与决心自我学习大量的时间和大量的阅读 如果不满足以上的要求，你可以到此为止了！ 学习进度时
How does changing your password every 90 days increase security? 回答1 The reason password expiration policies exist, is to mitigate the problems that would occur if an attacker acquired the password hashes of your system and were to break them. These poli
拥抱敏捷开发，学习敏捷的方法论，按照理论的实施，去实现整个团队到个人的真敏捷。 工作不是很久的我，表示不懂啥是敏捷。 不过没关系，学习一下他吧。 从3个维度，思考敏捷。 who: 是谁这么厉害，提出了敏捷开发思想？是一位名叫 Martin Fowler 的美国大叔。 大叔不但是敏捷开发的创始人之
并集： # 实现1 df_union = pandas.concat([df1, df2]) # 实现2 df_union = pandas.merge(df1, df2, on=df1.columns.to_list(), how="outer") 差集： # 实现1 df_diff = df_union.append(df1).drop_duplicates(subset=df_union.columns.to_list(), keep=False) # 实现2 df_diff =
Represents a collection of keys each mapped to one or more values. namespace ConsoleApp1 { class Program { static void Main(string[] args) { Student stu = new Student(); //start ILookup<string
How To Configure S4HANA BP and CVI In 7 Easy Steps In this post We will Configure SAP S4HANA BP (Business Partner) and CVI (Customer-Vendor integration) in 7 Easy Steps. Also we will configure the system in a way so that S4HANA Business Partner–Custome
First of all, dart equipment is the key. Tungsten alloy darts is the only choice in the end. You can choose the entry-level with 80% tungsten content, or you can choose the more expensive 90% or more. Tungsten alloy has high density. Tungsten alloy darts
Senario: 1) one to one send message 2) sent/deleveried/read 3) user online status , online/last seen 5min 4) send image, video,file 5) group chat DAU: 10 million active users/Day Service: 1)
https://www.amazon.co.uk/Collins-Advanced-Learners-Dictionary-Dictionaries/dp/0008444900/ Publisher : Collins Cobuild; Tenth edition (6 Oct. 2022) Language : English Paperback : 1920 pages ISBN-10 : 0008444900 ISBN-13 : 978
The post outlines the steps to resize an OCFS2 filesystem on Linux. The procedure should first be tested in test before being performed against a production environment. 1. Backup all data on the filesystem Repartitioning a disk/device is a destructive pr
This post provides the steps to resize the Undo tablespace.ie, to add space or shrink the current Undo tablespace. Shrinking Undo Tablespace Size Undo space once allocated will be available for reuse but will not be deallocated to the OS. The best way to
1. How to Install Postgresql? In Debian Linux, we can install postgresql easily with a line. But be sure your package manager is using a local mirror, otherwise you will wait very long time for downloading. $ sudo apt install postgresql 2. Check After I
Writing for Impact: How to Prepare a Journal Article Andrew M. Ibrahim, Institute for Healthcare Policy and Innovation, University of Michigan 英文原文 中文翻译
1 pd.concat实现数据合并 pd.concat([data1, data2], axis=1) 按照行或列进行合并,axis=0为列索引，axis=1为行索引 # 按照行索引进行 pd.concat([data, dummies], axis=1) 2 pd.merge合并 pd.merge(left, right, how='inner', on=None) 按照两组数据的共同键值对合并或者左右各
If you live in a place where most people speak the language you are learning, you may use the language for several hours each day. So, it may become part of your “inner speech.” In other words, you start thinking in that language. Your mind stops trying t
How to check if TLS 1.2 is enabled? If the registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client\DisabledByDefault is present, the value should be 0. If the registry key HKEY_LOCAL_M
How to identify the source of backpressure? 07 Jul 2021 Piotr Nowojski (@PiotrNowojski) What is backpressure? Why should I care about backpressure? Why shouldn’t I care about backpressure? How to detect and track down the source of backpressure? W
