script format

1 using QCOW2 format disk file when hard disk KVM installed (clone system occupies very small space)Cd/var/lib/libvirt/images (disk file storage area)Qemu-img create-f qcow2 haha.img 80G (disk Instant creation complete, potential size 80G, actual size by current actual consumption size)Virt-manager installed, hard drive Select/var/lib/libvirt/images/haha.imgQcow2 Cloning (quick creation of new disk files) qemu-img create-b haha.img-f qcow2 haha01.img2

Python connects to the database there are several methods, but for the data retrieved from the database format is somewhat different, back to the tuple format of data processing is more troublesome, next introduced a back to the list format of the connection method, list format data processing and use is more convenien

Script content:#!/usr/bin/python#coding =utf-8#根据给定的年月日以数字形式打印出日期Months =["January","February","March","April","May","June","July","August","September","October","November","December"]#以1-31 Number as the end of the listEnding =["st", "nd", ' rd ']+17 * [' th '] \+["St", "nd", "rd"]+7 * [' th '] \+[' St 'Year =raw_input ("Year:")Month =raw_input (' Month (1-12): ')Day =raw_input (' Day (1-31): ')Month_number =int (month)Day_number =int (Day)#记得要将月份和天数

When you see the comments, it is said that adding a line number will affect the copied code. Some netizens also suggested using UL/LI. In fact, I have also tried this, and the effect is not ideal. On the one hand, even if UL/LI is used, the copied code will still contain leading characters (in Firefox ); in addition, LI does not seem to fully maintain the indent format of the original code like PRE (it seems that there is a problem when there are more

When debugging the mapred program, you will often encounter the following error code: Java. io. ioexception: cannot run program "/data3/hadoop/mapred/mrlocal/tasktracker/test/jobcache/job_201203021500_101813/attempt_201203021500_101813_m_000000_0/work /. /fptreemap. PY ": Java. io. ioexception: Error = 2, no such file or directory The above error is usually caused by incorrect script format (encoding on W

). Replace (/mm| Mm/g, Tydic.string.addPre (Pre, Time.getmonth () + 1, 2)). Replace (/m| M/g, Time.getmonth () + 1). Replace (/dd| Dd/g, Tydic.string.addPre (Pre, Time.getdate (), 2)). Replace (/d| D/g, Time.getdate ()). Replace (/hh| Hh/g, Tydic.string.addPre (Pre, Time.gethours (), 2)). Replace (/h| H/g, Time.gethours ()). Replace (/ii|ii/g, Tydic.string.addPre (Pre, Time.getminutes (), 2)). Replace (/I | I/g, Time.getminutes ()). Replace (/ss| Ss/g, Tydic.string.addPre (Pre, Time.getseconds (

Get the current date format in source python: https://www.cnblogs.com/wenBlog/p/6023742.html#!/usr/bin/python# -*- coding: utf-8 -*-import timeprint (time.strftime("%H:%M:%S"))## 12 hour format ##print (time.strftime("%I:%M:%S"))import timeprint (time.strftime("%d/%m/%Y"))import timeprint (time.strftime("%Y%m%d"))import timeprint (time.strftime("%Y%m%d %H:%M:%S"))Output Result:14:09:4302:09:4303/07/20182018

outstream. Charset = Outcode OutStream. Open ' Write to output file OutStream. WRITETEXT content OutStream. SaveToFile outFile, 2 ' adsavecreateoverwrite outstream.flush ' Close output file OutStream. Close Set OutStream = Nothing End Function ' ******************************************************************* ' Function: Getdirectory get current directory ' parameter meaning: ' ******************************************************************* function Getdirectory () Dim WshShell set Wshsh

SQL Server converts query results to script sharing in Json format, serverjson Script source code: Copy codeThe Code is as follows:SET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOCreate procedure [dbo]. [SerializeJSON] (@ ParameterSQL as varchar (MAX))ASBEGINDECLARE @ SQL NVARCHAR (MAX)DECLARE @ XMLString VARCHAR (MAX)DECLARE @ XMLDECLARE @ Paramlist NVARCHAR (1000)

This article mainly introduced the shell script to check the IP format and MySQL operation instance, this article directly gives the script code, needs the friend may refer to under Or part of the cronjob, which is the background interaction running in the Rails timing task ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 This is the

Shell script (strict terminal format control, beautiful output font color)[Cpp] view plaincopy #! /Bin/bash # # The following figure shows the font output color and terminal format control. # Font color 30-37 Echo-e "\ 033 [30 m black character \ 033 [0 m" Echo-e "\ 033 [31 m red \ 033 [0 m" Echo-e "\ 033 [32 m green word \ 033 [0 m" Echo-e "\ 033 [33 m

According to comments from netizens, the script code has been updated. View http://www.cnblogs.com/Kellin/archive/2007/09/20/900668.html for details. The examples in this article are also updated accordingly. I often encounter a problem when I write articles on my blog and how to format and paste code. It is good to use the formatting tools provided by the blog Park, but it is more troublesome to make some

The directory contains the directory a.logand B .txt. the source a.logsource file B .txt is written in php, And the content in the source file is output to. log content: 1.1 ^ A1452773009204 ^ B14670348 ^ cm_2000071003_21540... assume that the directory contains. log and B .txt A. log source file B .txt target file The script is written in php to split the content in the source file into ^ A ^ B ^ C and output it to the target file. The content in A.

I often encounter a problem when I write articles on my blog and how to format and paste code. It is also convenient to use the formatting tools provided by the blog Park, but it is troublesome to make some changes. What's more, I prefer to directly edit HTML, rather than using these tools. To use these tools, you must change to the visual editing status. When I change back to the HTML state, the originally formatted HTML may be messed up by the edito

In general, live nodes is 0 because the Clusterid number in Namenode and Datanode is different because of repeated formatting. If you do not need to save the data, just redo it, you need the following steps.SSH hd1 rm/home/hadoop/namenode/*-RFSSH hd1 rm/home/hadoop/hdfs/*-RFSSH hd2 rm/home/hadoop/hdfs/*-rfSSH HD3 rm/home/hadoop/hdfs/*-RFSSH hd4 rm/home/hadoop/hdfs/*-RFSSH hd1 rm/home/hadoop/tmp/*-RFSSH hd2 rm/home/hadoop/tmp/*-rfSSH HD3 rm/home/hadoop/tmp/*-RFSSH hd4 rm/home/hadoop/tmp/*-RFSSH h

Shell script programming (strict terminal format control, beautiful output font color) #! /Bin/bash # font output color and terminal format control # font color 30-37echo-e "\ 033 [30 m black character \ 033 [0 m" echo-e "\ 033 [31 m red word \ 033 [0 m "echo-e" \ 033 [32 m green word \ 033 [0 m "echo-e" \ 033 [33m yellow word \ 033 [0 m "echo-e" \ 033 [34m Blue

Gets the list of specified suffix files in the Python environment.SOURCE StackOverflowHere is a simple example of *.txt. Using Glob (recommended)1 Import glob, Os 2 os.chdir ("/mydir")3 for in Glob.glob ( " *.txt " ):4 print(file) Simple and practical os.listdir1 Import OS 2 for in Os.listdir ("/mydir"):3 if File.endswith (". txt"):4 print(file)View Code If you need to traverse the directory, use Os.walk 1 import OS 2 for root, dirs, files in os.walk ( /mydir "