Old boy Education Daily-May 2, 2017-linux system, the chmod command does not have Execute permissions (x permission) or chmod command file permissions of 000, how to solve? There are two ways to resolve this:[email protected] bin]# CP cp/oldboy/chmod.new(At this point the Copy CP command file is named Chmod.new, at this time the Chmod.new file has permissions on X, but Chmod.new does not have the chmod command of the common function)[[email protected]
an old boy's education daily -2017-04-18: Command storm: How to quickly delete large amounts of small files in Linux? today is the day that the old boy educates the day to accompany everyone . For questions and answers, please leave a comment in the blog comments section.Index of the topic of the previous periodhttp://lidao.blog.51cto.com/3388056/1914205This article is from the "Lee blog" blog, make sure to keep this source http://lidao.blog.51cto.com
problem description A year outside parents time
Spring Festival Home Can you do a few days good boy?
Try to do the following things in winter vacation
Spend time with mom on the vegetable
Quietly buy a little gift for dad
Take the initiative to ask for a bowl wash once and for all
One day get up early and give mom and dad a heart for breakfast.
You can talk to Mom and dad if you want.
Let's play a little game. ACM Cla
Title Link: http://acm.hdu.edu.cn/showproblem.php?pid=1850Problem description A year outside parents timeSpring Festival Home Can you do a few days good boy?Try to do the following things in winter vacationSpend time with mom on the vegetableQuietly buy a little gift for dadTake the initiative to ask for a bowl wash once and for allOne day get up early and give mom and dad a heart for breakfast.You can talk to Mom and dad if you want.Let's play a litt
Old boy Education 2016 Linux full program outlineLinux operations all courses online course address (live plus recording)Http://edu.51cto.com/px/train/41Linux operational Employment Class Online course address (live plus recording)Http://edu.51cto.com/px/train/40Course Details:This course covers the entire contents of the Old Boys Education Linux OPS and senior architect classes, as well as the basic Python automation course.Linux operation and Emp
Old boy new book Shell programming Real-time scheduled to start (scan the QR code to purchase the regular package of mail), dear friends, keep you waiting. Computer User Poke Computer Purchase linksNote: Package parcel post 3 months (after 2017 Chinese New Year) Q Group book content answer questions, is equal to white send book, also inverted answer service.If you feel the power, please help Friends Circle, QQ Group, Space reprint!650) this.width=650;
"A few days ago, the computer panda incense, just the ' national treasure ' away from a few days, today on the Internet to download a gadget, the machine began to slow down, there are several program icon into ' handsome ' head, eyes more prominent like the appearance of the light bulb, estimated again in the virus, really depressed! The user, Mr. Chen reluctantly said.
Jinshan Poison Bully Anti-Virus expert Dai Guangjin pointed out that this is a "Magic Bo
Being a good boy in Spring Festival
Time limit:1000/1000 MS (java/others) Memory limit:32768/32768 K (java/others)Total submission (s): 5069 Accepted Submission (s): 3034
Problem Description a year outside parents time
Spring Festival Home Can you do a few days good boy?
Try to do the following things in winter vacation
Spend time with mom on the vegetable
Quietly buy a little gift for dad
Take the in
650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M02/9D/25/wKiom1l6snvyciT7AAgfXQN8LD0827.jpg "title=" The old boy educates the Linux high-end operation MySQL Course teaching part of the timetable. jpg "alt=" wkiom1l6snvycit7aagfxqn8ld0827.jpg "/>The Old Boys Professional DBA curriculum is as follows:http://oldboy.blog.51cto.com/2561410/1951684Please pay attention to the book "Learning Linux operations with older boys: MySQL database Combat"in
Old boy Education Daily-May 4, 2017-there is a oldboy.txt file that converts all the letters inside into uppercase file contents as follows:[email protected] oldboy]# cat Oldboy.txt oldboy.blog.51cto.comwww.oldboyedu.comMethod One: SED[[Email protected] oldboy]# sed ' s#[a-z]#\u #g ' oldboy.txt oldboy.blog.51cto.comwww.oldboyedu.comMethod Two: awk(ToUpper is the built-in function of awk, the function is to convert lowercase letters to uppercase, the c
September 20, 2015, I will never forget the days, I am determined to resign four years of work to the Royal Park Beijing, learning to change my destiny skills, want to use this skills to change their life later, is to give yourself a complete period before half.In my life, sports are accompanied by my longest time of a sport, my project is middle-distance, from my junior high school life began, which makes me have a spirit of perseverance, I believe that as long as they want to achieve the desir
Just one command, parted.Normal hard disk is more than 2T timeYou can't use Fdisk partitioning.This is the time to use tool parted to partition the rows.Hard disk larger than 2T to use GPT format cannot use MBR#parted/DEV/SDC mklable GPT#parted/DEV/SDC Mkpart Primary 0 200#parted/DEV/SDC Mkpart Primary 201 400#parted/DEV/SDC Mkpart Primary 401 1000#parted/DEV/SDC P ViewFormatting after partitioning is complete#mkfs. Ext3-b 4096/DEV/SDC1#mkfs. Ext3-b 4096/DEV/SDC2#mkfs. Ext3-b 4096/DEV/SDC3Mount
Considering the process of proving the Bouton theorem, the Nim with n number and (XOR) is X, the highest bit of 1 in the K-bit, then the n number must have a Y in the K is also a 1.To change the number of Y to x xor y, then the number of N Nim and 0, will be converted to the initiator will be defeated situation.So how many kinds of the initiator, just see the number of N in how many y, to meet the binary K is a 1.1#include 2 3 Const intMaxh = -;4 Const intMAXN = -+Ten;5 intA[MAXN];6 7 intMain ()
Interpreter path#!/usr/bin/env pythonPython2 need, Python3 no longer needed.The usage of input, waits forever until the user enters a value, assigns the input value to a thingVariable name-Alphabet-Digital-UnderlinePs:Number cannot startcannot be a keywordIt's best not to repeat the python built-in stuff.Conditional statementsIndent with 4 spacesPass generation means empty code, meaningless, just to represent a block of codePython old boy day09
')Print (v)Test = "ALEXALEXR"v = test.count (' ex ', 5,6)5,6 represents the start and end coordinates of a stringPrint (v)# What's the end of what?# Start with what?Test = "Alex"v = test.endswith (' ex ')v = test.startswith (' ex ')Print (v)#从开始往后找, after finding the first one, get its position> or >=Test = "Alexalex"# Not found-1v = test.find (' ex ')Print (v)# Index not found, error ignoredTest = "Alexalex"v = test.index (' 8 ')Print (v)# formatting, replacing placeholders in a string with th
The training course on Linux has been waiting for two years. From 2010 to formally contact the server, mainly or hardware, their own more and more interested in Linux, now work a lot of time. Learned, oneself also many way out. While you are not old, but also learn to move, the brain still works, self-improvement, so today is wide out. I will be less online shopping, save some flowers, should be no problem. I wish I had learned something,This article from "Pcjazz" blog, declined reprint!Today I
This time to bring is an advertising poster design more commonly used methods. The main object of the expression is magnified and exaggerated to make it stand out. In fact, in the early stage of processing, you can easily get through the shooting technique. This will also be more convenient to deal with later.
Anyway, we still find the material, to the degree of Niang and their own. Baidu Some of the photos can be done after the material, we started it. Here to explain, because of the resolutio
Photoshop turns small boy photos into low saturated HDR effects
The author is very experienced in the production of HDR, the processing time is roughly divided into three major steps: To increase the details of the dark, increase the character and background contrast, increase the overall details; every step of the way there are many, you can try more.
Original
Final effect
First, show the details of the dark
Select the im
It's mainly about rsync.On-Machine experimentand write some scripts.Here is the script for automatic backup#bak Site and logscd/var/html tar zcf/backup/www_$ (date +%f). tar.gz./wwwCd/app tar zcf/backup/logs_$ (date +%f). tar.gz./logs#bak SYS confCD/ tar zcf/backup/etc_$ (date +%f). tar.gz./scripts/bin/cp/var/spool/cron/root/backup/#rsync data to BakserverRsync-avzp/backup/rsync [Email protected]::backup/--password-file=/etc/Rsync.password#del data 7 days agoFind/backup-type f-name "*.tar.gz"-
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