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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]all parameter lists. such as "[email protected]" with "" "in the case, with" $ "" $ "...All parameters are output in the form "$n". $#number of arguments added to the

#!/usr/bin/env Python#-*-Coding:encoding-*-# Prompt for user name and password# Verify user name and password# If an error occurs, the output user name or password is incorrect# If successful, the output is welcome, xxx!Import GetpassName = input (' Please enter user name: ')PWD =getpass.getpass (' Input your password ')Print (PWD)If name = = "Alex" and pwd = = "cmd": Print ("Welcome, alex! ")Else Print (' User name or password output error! ‘)Python Basics

Author: Jannock Affected Version: Discuz! NT 2.x-3.5.2Http://www.discuz.net Vulnerability Type: SQL InjectionVulnerability Description: Discuz! NT is a powerful community software under Comsenz. It is based on the ASP. NET platform.Vulnerability Analysis: ajaxtopicinfo. ascx poster SQL Injection VulnerabilityArbitrary User Control calling vulnerability combined with ajax. aspxIn the admin/UserControls/ajaxtopicinfo. ascx File Go to the GetCondition fu

Installation Requirements:The BIOS of your computer must be enabled Vt-x or amd-v virtualizationInstalling hypervisorMacos:virtualbox or VMware Fusion, or Hyperkit.Linux:virtualbox or KVM.Note:The Minikube also supports the--vm-driver=none option, which can be run directly on the host instead of on the VM. With this option, Docker is required, not hypervisor.Installing KubectlRefer to the installation documentation for 0-1Installing MinikubeInstall ac

This condition 1 and (0 OR condition 2) logical operation how to understand?

When using Caffe run FCN test, the following error is prompted:Check Failed:error = = cudasuccess (2 vs. 0) out of memoryis the memory overflow, and is the Cuda, then the GPU cache overflow.In this case, the first thing to see is the training and testing of the batch_size, and the training process is no problem, indicating that the training batch_size no problem;This problem with the test process, see the F

Tags: deviation chinese data cts You multitasking performance GPO ESCLearning Goals Understand what multi-task learning and transfer learning is Recognize bias, variance and data-mismatch by looking in the performances of your algorithm on train/dev/test sets "Chinese Translation"Learning GoalsLearn what multi-tasking learning and migration learning identify deviations, variances, and data mismatches by viewing the performance of the algorithm on the training/dev/test setCourse three