commands like this, such as Echo "hello", CD... and so on. From this point of view, it is a command line that implements the original command line function. But is powershell an enhanced version of the command line, or is it a superset of the command line? This is really not the case. I will discuss this issue in the future.
Just like running an application in the command line, you can run the application in the powershell interaction window as follows:
PS c: \ Users \ v-lukez> notepadps c:
In Linux bash shell, semicolons in statements are generally used as code block identifiers.
1. A single-line statement generally uses semicolons to distinguish code blocks. For example:
Weblogic @ pmtest:/$ if ["$ PS1"]; then echo test is OK; fiTest is OK
In this script or command line, two semicolons are required for the correct statement. The first Semicolon is the semicolon before then, used to identify the end Of the condition block, and the secon
Simple sha1 encryption function example implemented by PHP and phpsha1 encryption example
This example describes the sha1 encryption function implemented by PHP. We will share this with you for your reference. The details are as follows:
function encryptTokey($data){ $apikey = 'testapikey111'; $ps1 = sha1($apikey . strtolower($data)); $ps1 = strtoupper($ps1
script file for execution. The content of the Hello. ps1 script file is as follows:
$a = "Hello"
$a
echo $a > a.txt
dir a.txt
The execution results of the Hello. ps1 script file are as follows:
PS E:\> D:\Projects\Practise\PowerShell\Hello.ps1
Hello
Directory: E:\
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a--- 1/30/2013 4:56 PM 16 a.txt
You may find that the PowerShell scr
content with rowcount---------------------------[Email protected]:~$ cat-n. BASHRC1 # ~/.bashrc:executed by Bash (1) for non-login shells.2 # See/usr/share/doc/bash/examples/startup-files (in the package bash-doc)3 # for examples4More . BASHRC : Show file content in separate page.----------------[Email protected]:~$ more. BASHRC# ~/.bashrc:executed by Bash (1) for non-login shells.# See/usr/share/doc/bash/examples/startup-files (in the package bash-doc)# for exampleshead-n 5. BASHRC : Show firs
"]; then #如果shell环境存在且不为sh, read/ETC/BASH.BASHRC if ["$BASH"] ["$BASH"! = "/bin/sh"]; then # the file BASH.BASHRC already sets the default PS1. # ps1= ' \h:\w\$ ' if [-F/ETC/BASH.BASHRC]; then ./etc/bash.bashrc fi Else if ["' Id-u '"-eq 0]; t Hen ps1= ' # ' else ps1= ' $ ' fi fi
1. load the configuration file sequence during the Linux login process:/etc/profile→/etc/profile.d/*.sh→~/.bash_profile →~/. BASHRC →[/ETC/BASHRC]You can view the default ~/.BASHRC file as follows:[Root@~/wade/codereview/redis-2.8.17Cat ~#. BASHRC # User specific aliases and functions c10># Source Global Definitions/etc/bashrcfi 2. shell command prompt and color is configured by PS1:[Root@/etc/init.d$PS 1[\[\e[32;40m\]\u@\w] The parameters com
Due to the frequent use of the end (Zhuang) side (BI), each opening is the sauce of the drop:or after entering a few levels of directory, it becomes Jiangzi:True XX ugly! And just lose a few orders. What do we do? Very simple, in two steps:STEP1: Modify Computer nameAs above, "@" and ":" Between the host name, that is, chris-laptop-thinkpad-x240, for example, can be changed to X240(1) Modify/etc/hostname sudo vim/etc/hostname , the file in a host name, instead of X240:(2) Modify/ect/hosts sud
also stop programs: taskkill/f/im Java.exeWith this command, when we are going to end the java.exe running in Cmd.exe, we only end java.exe, and this time the CMD will be ended.4. Call PS1 or batch file (invoke-expression) using dot (.)Grammar:.Description: You can call an existing PS1 file in the PowerShell interactive environment and in the PS1 file, using the
off flashing
27 Turn off the reverse image
30 setting Black foreground
31 Setting the red foreground
32 Setting Green foreground
33 Setting Brown foreground
34 Setting Blue Foreground
35 Setting Purple foreground
36 Setting Cyan Foreground
37 Setting White foreground
38 underline on the default foreground color
39 Close the underline on the default foreground color
40 Setting black background
41 Setting Red background
42 Setting Green Background
43 Setting Brown background
44 Setting Blue backg
you can also stop programs: taskkill/f/im Java.exe
With this command, when we want to end the Java.exe running in Cmd.exe, we only end the Java.exe, this time CMD will also be ended.
4, use Point (.) Call PS1 or batch file (invoke-expression)syntax:.Note: You can invoke an existing PS1 file in the PowerShell interaction environment and PS1 file, using dots (.)
variable is changed, it will take effect the next time the user logs on, and if you want to take effect immediately, execute the following statement:
Source/etc/profile
It should be noted that it is best not to put the current path "./" Into the path, which may be subject to unexpected attacks.
Other files are modified in the same way, it should be noted that/etc/environment does not need to use export to set environment variables, other profile files need.
A more detailed description can be
CF Avengers Federation Field ...Water Problem A-hulk (Hulk)Output Love hate ...#include Game + Play table to find the Law B-spider Man (Spiderman)Notice that each time more than one lap, the previous or initial state, the groups are independent, so to play a table or analysis can find the law.#include Construction C-thor (Thor)Test instructions: A mobile phone has n applications, there are three kinds of operations:1. The first X application has an un
A balance between RUP and XP
Author: Spiderman (Shenzhen)From: http://blog.csdn.net/testwinEmail: testwin@sohu.com
People have experience and fear, and they will form a methodology to avoid such things. People studying heavy methodologies may have a long history of organizing thousands of development teams for development, such as the development of large-scale telecommunications systems and the development of military and aerospace systems ......
framework can index everything.
Gecco-an easy-to-use, lightweight web crawler.
Webcollector-Simple Crawl page interface, you can deploy a multi-threaded web crawler in less than 5 minutes.
Webmagic-an extensible crawler framework.
Spiderman-A scalable, multi-threaded web crawler.
Spiderman2-A distributed web crawler framework that supports JavaScript rendering.
HERITRIX3-scalable, large-scale web crawler project.
function name function parameters, preferably wrapped in parentheses, if only one parameter is passed in parentheses, the parameter must be appended with a comma, if you do not hit a comma, An error will occur. For example Schedule.enter (delay, priority, action, (argument1,)) run () has been blocked until all tasks have been executed at the end. Each task runs in the same thread, so if one task executes longer than the other, then the other tasks postpone the execution of the task so that no t
The tutorial is to teach you to use Photoshop to create a stylish audio player interface, but also a new scoop network specially recommended to you a tutorial, the tutorial is the highlight of the focus, but also some commonly used software interface to make processing methods. Hope to help you.
Final effect:
Tutorials Need Material:
Spiderman Pattern
Step 1
Create a 600x400 px layer.
Step 2
Fills the background with a radial gradient
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