wic packages

problem: Module ' pip ' has no attribute the ' main 'Before learning the Python crawler video by chance to see a lecturer directly in the Pycharm to install the package, for small white and only know that the PIP install command under CMD installation is very novel to me.Also, the benefits of installing packages directly in Pycharm have two:01, when writing a Python program under Pycharm, it is convenient to install the required

Apt-cache Search PackageApt-cache Show package for information about packages, such as description, size, version, etc.sudo apt-get install packagesudo apt-get Install package--Reinstall reinstall packagessudo apt-get-f install fix "-F =--fix-missing"sudo apt-get Remove Packagesudo apt-get Remove Package--purge delete packages, including deletion of configuration files, etc.sudo apt-get update sourcesudo ap

first, the RPM package installation method steps: 1, find the appropriate software packages, such as soft.version.rpm, download to a directory of this machine; 2, open a terminal, Su-as root user; 3, CD soft.version.rpm in the directory; 4, input RPM-IVH soft.version.rpm 　Second, the Deb package installation method steps: 1, find the appropriate software packages, such as Soft.version.deb, download to

Modules Packages (* * * * * *) module (modue) Concept:In the development of computer programs, as the program code more and more, in a file code will be more and more long, more and more difficult to maintain.In order to write maintainable code, we grouped many functions into separate files so that each file contained relatively few code, and many programming languages used this way of organizing code. In Python, a. py file is called a module.What ar

Import special jar settings In general development may look at the source code of the API, you can sometimes imitate the code in the API to do some research, but some special jar packages in the class report can not import errors: The import Sun.misc.ProxyGenerator is never used-Access restriction:the type ' proxygenerator ' isn't API (restriction on required library ' C:\program Files\java\jdk1.7.0_75\jre\lib\rt.jar '. For example, the Proxygenerator

We are generally accustomed to using MAVEN to manage and compile projects and rarely build a MAVEN environment on the server when deployed. When you deploy a project, you need to add a lot of dependencies and hundreds of jar packages to the project's library. In general, we will think of adding the jar package to the Classpath directory, as follows: 1, go to the directory of the configuration file: cd etc [Root@db etc]# VI Profile 2. If you have al

This article describes how to maintain the software packages on the IBM SmartCloud Enterprise, using an example to capture a new private image with a preinstalled package and use it on a Linux virtual machine. You should have a basic understanding of cloud computing concepts. To try the steps in this article, you need an IBM smartcloud Enterprise user account. In IBM SmartCloud Enterprise Management, part 1th: Using ICCT to create

Recently the company internal system to do data docking, so use jersey to do restful WebService interface design. Since spring Boot has integrated jersey, it is expected to import Spring-boot-starter-jersey directly.In the test, in addition to encountering Chinese garbled spent a relatively long time, the rest of the temporary did not encounter big problems. However, a pit was found when it was released. Public classJerseyconfigextendsResourceConfig { PublicJerseyconfig () {//registerclasses (Fi

Previous: Mac OS Platform Application installation package making tool packages use introductionAdditional InformationThe previous article described how to use packages to create an installation package under a Mac. However, the installation package can only be installed in the file path of the system. However, in some scenarios, we need to install some files into the current user's home directory, which ca

not visible. So here the in Web1 content is output.3, import the module in the WEB.WEB2Import Web.web2.helloweb.web2.hello.hi ()Run results650) this.width=650; "title=" Selection _020.png "alt=" 58637c8bc7622470b0275a05a5e34ef4.png-wh_ "src=" https://s3.51cto.com/ Oss/201711/10/58637c8bc7622470b0275a05a5e34ef4.png-wh_500x0-wm_3-wmp_4-s_5243767.png "/>This is because the import of WEB.WEB2 two packets, so appear in the web1 in web2 content, can you see the role of __init__.py?Test, so you can de

Jar Package UseAxis.jar SOAP Engine PackageCommons-discovery-0.2.jar is used to discover, find, and implement pluggable interfaces, and provides some common methods for general class instantiation and single-piece life cycle management.Jaxrpc.jar required component packages for axis operationSaaj.jar methods for creating point-to-points connections to endpoints, methods for creating and handling SOAP messages and attachments, and methods for receiving

Programming What is a package Java package (Package) actually refers to the directory, which is to better manage Java classes (class) and Interfaces (Interface). The Java language package can be used by another Java development package. If we want to refer to a class in a package, use the Import keyword to mark it. For example: Import java.util.date=new date hint: Import Java.util. means that all public classes and interfaces in Java.util are introduced into the current package.　　The  ma

Introduction to the production of RPM packagesAccording to the format of its package, the common Linux distribution can be divided into two categories, class Readhat series and class Debian series , which provide their own software package management system and corresponding tools.The suffix of the package in the class Redhat system is RPM, which provides the RPM command with the same name to install, uninstall, and upgrade the RPM package, and the suffix of the Debian system is Deb, which also

July 23 software Distribution management artifact Secure Delivery Center Free Technology Exchange application, MyEclipse original manufacturers3. Delivery PackageYou can use SDC to manage two types of packages. First, on-demand delivery packages allow you to deliver secure marketplace directories or enforce security policies on existing eclipse-based IDE devices, eclipse-based IDE is externally acquired and

One of the recurring problems in test-priority programming (Test-first programming) is that it seems impossible to automate many parts of a program. Especially when the program is to a large extent to take advantage of external resources and libraries, it seems difficult to test it, because there is no good way to simulate the program and the external resources of the connection. However, although it is difficult to test such a program with only Java code, there is one type of program

Java open-source jar packages Turn: http://blog.csdn.net/kevingao/article/details/8125683 Activation ~ Jar packages related to javaMail should be added to lib together with mail. jar (mail. jar and activation. jar) When javaMail is used. The jar package is responsible for the data source and type of mail. ApacheActiveMQ ~ Apache is the most popular open-source message bus with powerful capabilities. ActiveM

Install, update, and delete Spacewalk software packages. Link: http://blog.csdn.net/kongxx/article/details/44003721 After the operations in the previous two blogs, we can use Spacewalk to install the system. However, in actual scenarios, we often need to use Spacewalk to manage software packages. For example: install, upgrade, and delete the software package. Let's take a look at how to implement these func

The most important thing for system security problems is to install patches, install security tools, and uninstall problematic software in a timely manner. In a Windows operating system, you can install or uninstall the software through "Control Panel → Add/delete programs", and the patches can also be automatically updated, however, in the Solaris system, all of this must be done manually by the Administrator. The following describes how to install patches and software

Here are two scenarios: Binary package and source code package.First, Linux BinaryInstallation and uninstallation of distribution packagesBinary distribution of Linux software refers to the release form of a pre-compiled binary form of the package, the advantage is that the installation is easy to use, the disadvantage is the lack of flexibility, if the package is compiled for a specific hardware/operating system platform, then he can not be in another platform or environment to execute correctl

FreeBSD provides precompiled and packaged binary application packages on the size of G bytes that can be installed for immediate use. In the software package, not only the contents of binary software are recorded, but also include the installation location of these software, the description information of the package, and the dependencies between packages, the mechanism of this kind of management software i