nordvpn based

/**** Check if mobile phone number is available* @param $cellphone Mobile phone number*/Public Function Checkphone ($cellphone) {$cellphone = Trim ($cellphone);if (Inputcheck::checkcellphone ($cellphone) = = False)throw new Apiexception (4001023);$member = Member::findfirstbycellphone ($cellphone);Todo by WangtaoThe return method here is not uniform, can register or can not register the return of a text, so that the caller is difficult to judge, once the text changes will make the caller code be

Create a verification code based on PHP and a verification code based on PHP The registration code is required to verify the validity of the current operator. In order to prevent the website from being maliciously registered by machines. There are only a few steps to generate a verification code. First, we need to obtain a random string, create a canvas, and write the generated string to the canvas. We can

Django-based Model operation: django-based model operationI. Database Operations1. Create a model table Basic Structure: 1 # coding: Utf82 from django. db import models3 4 class userinfo (models. model): 5 # If no models. autoField. By default, an id auto-incrementing column 6 name = models is created. charField (max_length = 30) 7 email = models. emailField () 8 memo = models. textField () Field explanatio

Demonstration of Web-based permission management operations based on the underlying architecture of jiriga-organization management and permission management operations Software is the system of the service organization, and any organization will involve permissions. Therefore, permission control is the core foundation of a system. No matter what system you do, you cannot escape: some people have rivers and

Python-based login interface and python-based interface 1. Enter the user name and password; 2. After successful authentication, the welcome information is displayed; 3. After three errors, the account is locked. Account file: user.txt Lock file: locked.txt The flowchart is as follows: #-*-Coding: UTF-8-*-# Author Caoxlimport sysaccount_file = 'e: \ user.txt 'locked _ file = 'e: \ locked.txt 'def deny_acc

Python age-based game, python age-based game Guess the age of the game: Game rules: 1 age = 18 2 count = True 3 while count: 4 5 for I in range (3): 6 guess_age = int (input ('Guess how old I am: ') 7 if guess_age View Code

Cookie-based and session-based logon verification and cookiesession Verification Settings. py MIDDLEWARE = [ 'django.middleware.security.SecurityMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.common.CommonMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.messages.midd

Python-based simple guess digital game, python-based guess digital This example describes a simple guess digital game implemented by python. Share it with you for your reference. The details are as follows: Given a number between 1 and 99, the user can guess the number. When the user guesses the error, the user will be prompted to guess whether the number is too large or too small, until the user guesses

Source code of Java-based typing exercises and java-based typing exercises The Code is as follows: Import java. applet. applet; import java. applet. audioClip; import java. awt. dimension; import java. awt. font; import java. awt. toolkit; import javax. swing. JFrame; import javax. swing. JPanel; import java. awt. rectangle; import javax. swing. borderFactory; import javax. swing. JButton; import javax. swi

. NET-based custom generics and. net-based custom generics In. NET is frequently used in generics. In the console application, System is introduced by default. collection. generics namespace, which provides the generic types that we often use: List System. Nullable

Python-based decorator and python-based Decoration Decorator 1. Common functions # Simple functions and calls def a1 (): print ("I am zhangsan") def a2 (): print ("I am lisi") a1 () a2 () 2. Add features before and after the Function Def inner (func): print ("Add 1") func () print ("add 2") return funcdef a1 (): print ("I am zhangsan ") def a2 (): print ("I am zhangsan") a1 = inner (a1) a1 () a2 = inner (a2

Remote implementation of the CMD function:ImportSocketImportSubprocessphone=Socket.socket (Socket.af_inet,socket. Sock_stream) Phone.bind (("127.0.0.1", 8080)) Phone.listen (5)Print("starting ....") whiletrue:conn,addr=phone.accept () whileTrue:Try: Date=CONN.RECV (1024) s=date.decode ("UTF8") Res=subprocess. Popen ("%s"% (s), shell=true,stdout=subprocess. Pipe,stderr=subprocess. PIPE,)ifRes.stdout:re1=Res.stdout.read () conn.send (Re1)ifRes.stderr:re2=Res.stderr.read () conn.send (Re2)exceptExc

operating interfaces.Next look at how to build an object instanceUrlprotocol Ff_tcp_protocol = {. Name = "TCP",. Url_open = Tcp_open,. Url_read = Tcp_read,. Url_write = Tcp_write,. Url_close = Tcp_close,. Url_get_file_handle = Tcp_get_file_handle,. Url_shutdown = Tcp_shutdown,. priv_data_size = sizeof (Tcpcontext),. Priv_data_class = tcp_context_class,. Flags = Url_protocol_flag_network,};Here TCP is a concrete example of abstract urlprotocol.The operation functions are implemented as follows:i

Similar to the Apache virtual Host configuration under Windows platform, the only difference here is that the apache2 (installed through Apt-get) in Debian is in/etc/apache2 This article a space to teach you to implement multiple IP based on 127.0.0.* (Common network IP) to control the local virtual host, B space to teach you to implement a virtual host based on multiple domain names The advantage of a is n

An index was created in Oralce for the constructor, and the result was unsuccessful. Source:create Index idx_t_sp_twotypestat_0_f on T_sp_twotypestat_0 (F_dateadd (yearmonth,12,2)); The Err:the function is not deterministic. Let's take a look at this why? A random test can reproduce the problem, and we create a function (this example function is used to make a 16 to 10 conversion): At this point, create the index and get the following error message: More Wonderful content: http://www.b

Tags: users sql less and single quotes AST share URI Union This is similar to LESS26, the space or with%a0 instead, 26 after this is simple ;%0 0 can take the place of comments, try ORDER BY 3 http://192.168.136.128/sqli-labs-master/Less-26a/?id=1 ')%a0oorrder%a0by%a03;%0 0 ORDER BY 4 Http://192.168.136.128/sqli-labs-master/Less-26a/?id=1')%a0oorrder%a0by%a04;%0 0 Although the error is not shown, we still know the number of fields is 3 http://192.168.136.128/sqli-labs-master/Less-26a/?id=0 ')%

Add single quotation marksOrder by a bitHttp://localhost/sqli-labs-master/Less-25/?id=1 ' ORDER by 1%23Order by becomes Der byThe following hint also shows the filtered string, in fact, the direct reading of the wrong can be seen, although the title is blocked or and and, the result order has been accidentally injuredBecause filtering simply replaces or and uses an empty string, the construction oorrder by should be able to pass.Http://localhost/sqli-labs-master/Less-25/?id=1 ' Oorrder by 1%23Un

Tags: free ASE technology constructor font technology share delay length 1' or 1=1# and fail 1 "or 1=1# 1=1#-- fail 11=1 # --> Success Judging by double-quote deformation injectionUsing the Sleep function to determine the database name length1 or if (Length (database())=7,1, Sleep (5)) #Time delay does appear, but not 5sExecute it in the database+There are 13 data in the Users table, where a condition match occurs becau

Rest-based webservice and rest-based webservice To learn about the app, I learned webservice by myself today. rest should be one of the other types, namely soap. Now let's take a rest demo first. Prepare ws jar and spring jar. If you want to connect the data, you have to prepare the data here. Download jar: http://download.csdn.net/detail/taopeng_100/7827035 After downloading the jar file, put it in lib to

PHP implements the method of generating thumbnails based on the original proportion. PHP: how to generate a thumbnail based on the original proportion. the example in this article describes how to generate a thumbnail based on the original proportion in php. Share it with you for your reference. The details are as follows: how to use PHP to generate a thumbnail