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Original URL: http://www.cnblogs.com/fhefh/archive/2011/04/15/2017613.htmlThe meaning of shell variable $#,[email protected],$0,$1,$2 in Linux is explained:Variable Description:$$The PID of the shell itself (ProcessID)$!PID of the Shell's last running background process$?End code of the last Run command (return value)$-Flag at a glance using the SET command$*All parameter lists. such as "$*" in the Case of

readapples--because get we specify generally used to read a single data, If Getapple.listapples does not add s We also know is to take the Apple list (guaranteed to shorten the variable naming);2>get nouns (singular);3> a noun total that represents the sum of something. such as Expensetotal;4>found: Indicates whether a value has been found;5>uccess or OK: an operation is successful;6>done: Whether a project is completed;7>error: Whether there is a mi

is the key name, the number of occurrences is a key value, only the number of occurrences greater than 0 is listed 2-Array, ASCII value is the key name, the number of occurrences is a key value, only the number of occurrences equal to 0 is listed 3-string with all the different characters used 4-A string with all the different characters that have not been used Example 1In this example, we will use Count_chars () to check the string,

The client's dialog box was used to learn the dialog box in the jquery UI. Preparing for the jquery environmentFirst, we create a button, and when we click on the button, a dialog box pops up. 1 In order to set this button to click on the event, you need to prepare the jquery environment. 1 Set the Click event for the button in ready. 1 $ (fu

{ /*** Draw Sin Curve* @param canvas Canvas* @param period Curve cycle*/public void Drawsin (canvas canvas, double period) {char[][] chars = Canvas.getcanvas ();Ratio of x axisDouble Xratio = (2 * period * Math.PI)/(Canvas.getwidth ()-1);Magnification of y-axisint ymulti = (Canvas.getheight ()-1)/2;for (int i = 0; i

The meaning of shell variable $#,[email protected],$0,$1,$2 in Linux is explained:Variable Description:$$The PID of the shell itself (ProcessID)$!PID of the Shell's last running background process$?End code of the last Run command (return value)$-Flag at a glance using the SET command$*All parameter lists. such as "$*" in the Case of "" ", in the form of" $ $ ... $n "output all parameters.[Email protected]A

Summarize the recent development of CNN Model (i) from:https://zhuanlan.zhihu.com/p/30746099 Yu June computer vision and deep learning1. PrefaceLong time no update column, recently because of the project to contact the Pytorch, feeling opened the deep learning new world of the door. In his spare time, Pytorch trained the recent CNN model of State-of-the-art in image classification, which is summarized in the article as follows: ResNet [1,

Make vim a python development environment. The article uses pathogen + git to manage the Vim plug-in. Students who are not quite clear about this way can refer to the introduction of "3". Pathogen changed the original vim can only throw the plugin all to the. Vim directory operation mode, so that each plug-in can be a separate folder in the. Vim/bundle directory, add and remove plug-ins are very refreshing. With Git's powerful child module management capabilities, you can implement easy plug-in

sudo rpm-ivh xxx.rpm -aid--force[Email protected] oracle]$sudoRPM-IVH compat-libstdc++-7.3-2.96.118. i386.rpm compat-libstdc++-devel-7.3-2.96.118. I386.rpmwarning:compat-libstdc++-7.3-2.96.118. i386.rpm:V3 DSA Signature:nokey, key ID db42a60epreparing ... ####################################### #### [ -%] file/usr/lib/libstdc++-2-libc6.1-1-2.9.0. So fromInstallof compat-libstdc++-7.3-2.96.118 conflic

#include "stdio.h"void Main (void){int a[15][15]={0};int i,j,k,n,p=1; while (p==1)//parameter p is set to determine N input range{printf ("Please enter an odd n (1 to 15):");scanf ("%d", n);if ((n>0) (np = =;} Build the Magic Phalanx.J=N/2;A[0][j]=1; Put "

)) Bestdim = Argsort (Errinbest) [0] theta = Thetabest[bestdim] sflip = Sflipbest[bestdim] print sflipbest #!/usr/bin/env python #-*-coding:utf-8-*-"" "__title__ = ' HW 2 main.py ' __author__ = ' w1d2s ' __mtime__ = ' 2015/10/10 ' "" "From numpy Import * onedimension import * from multidimension import * Import sys import string def data_pretre Atment (path): rawdata = open (path). ReadLines () print RawData datanum = Len (rawdat

/*1+2=33+3=66+4=1010+5=1515+6=2121+7=2828+8=3636+9=4545+10=55......*/$a =1;//Results$c Number of =2;//cycleswhile ($c $b = $c; Assign the value of C to B$a = $a + $b;//implement A+b result assignment to a a=3$c ++;//variable c plus 1, the original

Init is one of the most indispensable programs in Linux system operation. Init process, which is a user-level process initiated by the kernel. The kernel will find it in several places in the past that used Init, and its correct location (for Linux systems) is/sbin/init. If the kernel cannot find Init, it will try to run/bin/sh, and if it fails, the boot of the system will fail.Linux 7 RunLevel (0: shutdown, shutdown mode,1: single-user mode,

"88 Fan" 1 Senior XI is composed of 4 pairs of wind carving (staves) and cards. Regardless of the ring wind, Men, three wind carved, touch and 2 junior Yuan and card, there are 3 pairs of white engraved. Do not count the arrow engraved 3 green color by the 23,468 and the hair of any card composed of the CIS, engraved five, will and cards. Do not count mixed color. If there is no "hair" in the form of all