print 1 2 3

Turn around and save it for future viewing."Turn from:" Http://hi.baidu.com/autoitcn/blog/item/5f41973294b5fc4fac4b5f77.htmlPython 2.4 vs. Python 3.0One, the print from the statement into a functionOriginal: Print 1, 2+3Instead: Print (1, 2+3)Two,

1. View TCP connection StatusNetstat-nat |awk ' {print $6} ' |sort|uniq-c|sort-rnNetstat-n | awk '/^tcp/{++s[$NF]}; END {for (a in S) print A, s[a]} ' orNetstat-n | awk '/^tcp/{++state[$NF]}; END {for (key in) print key, "\ T", State[key]}

Ancient PrinterTime limit:2000/1000 MS (java/others) Memory limit:131072/65536 K (java/others)Total submission (s): 1511 Accepted Submission (s): 748Problem DescriptionThe Contest is beginning! While preparing the contest, ISea wanted to print the

Set is very useful in Oi and induces several common functions qwq#include #include#includeSet>//common usage of Set containersusing namespacestd; //custom collation can be done using the functor functionclassr{ Public: BOOL operator()(Const

List is ordered, starting from 0 to Length-1What the list can do: index, slice, add, multiply, check members.1. Create a list1 list = ['google'roob', 1997, +] # can contain different data types2. Access the values in the listUse subscript index or

awk accepts data from stdin by default, printing text to stdout.Default input and output delimiters for awk:FS: Enter field delimiter, default space.RS: Enter line delimiter, default \ n.OFS: Output field delimiter, default space.ORS: Output line

Argv command line meta ArrayFilename current input file nameNumber of records in the current FNR FileThe input field delimiter of FS. The default Delimiter is a space.RS input record delimiterNumber of domains in the current NF recordNo. of NR

awk commandTo intercept a segment in a document#awk-F ': ' {print$1} 1.txt prints the first paragraph#awk-F ': ' ofs= ' # ' {print$1,$2,$3,$4} 1.txt specifies the delimiter to display the result as #, or you can use a custom character to concatenate

[Copyright statement: reprinted. Please retain the Source: blog.csdn.net/gentleliu. Mail: shallnew at 163 dot com] Awk has many built-in variables used to set environment information. These variables can be changed. The following are the built-in

Awk usage 1. Knowledge Point 1. Domain segmentation-F determines the delimiter. If-F is not added, CAT/etc/passwd is separated by spaces by default. | awk-F: '{print $1, $2, $3}' 2. Extraction domain CAT/etc/passwd | awk-F: '{print $1}' 3. $0

Author: le4f Http://le4f.net/post/post/build-social-engineer-evildata-search-engineHow to design and build a social engineering database From the design of a social engineering database at the beginning to the present beta, it took a whole month

Reproduced from: http://bbs.chinaunix.net/viewthread.php? Tid = 691456 Awk usage: awk 'pattern' {action }' Awk Environment Variables Variable Description $ N The Nth field of the current record. The fields are

The 20 good habits to be used in Unix are: 1) create a directory tree in a single command. 2) change the path. Do not move the archive. 3) combine commands with control operators. 4) exercise caution when referencing variables. 5) Use escape

Js advancedI. Data type,1. Five Basic Data TypesUndefined \ Null \ Boolean \ Number \ StringNull is a previous js bug, and our current js has inherited it. Therefore, null is also a value type.One complex basic type: Object is essentially an

View the installation content of software xxxDpkg-l xxx Search softwareApt-cache search Regular ExpressionFind the package of the fileDpkg-s filename apt-file search filenameQueries which packages the software XXX depends onApt-Cache depends

Package com. Java; public class printfangzhen {/*** prints a two-dimensional array of the same length. The natural numbers starting from 1 must be arranged in an ascending order by the outermost ring of the square matrix. For example, if n = 4,

C ++ 11 introduced many new syntaxes that simplify programming. For now, we can call it "syntax dessert ". The following is a one-to-one introduction.Syntax dessert 1: sequence for LoopA sequence for loop is a simplified for loop that can be used to

Shell processes a function as a small script and can pass parameters to it like a normal script. By default, all variables defined in the script are global variables. Local variable: Local temp. Passing arrays to funeter. The art of passing an

Because of the popularity of search engines, web crawlers have become a popular network technology. In addition to Google, Yahoo, Microsoft, and Baidu, almost every large portal website has its own search engine, which can be named dozens, and

This article is edited from http://developer.hi.baidu.com/#/detail/65330911?simple awk '/101/'file. The file contains 101 matching rows. Awk '/101/,/105/' file: The file contains rows of 101 or 105. Awk '$1 = 5' file displays the 1st rows with 5