The pyenv command manages multiple Python versions.
Since accessing Python, virtualenv and virtualenvwrapper have been used to manage the dependent environments of different projects. It is a pleasure to switch the virtual environment through commands such as workon and mkvirtualenv.
However, recently I want to make the project compatible with more Python versions. For example, if I want to be compatible wi
. This way you will have a good version of the mind, there will be a clear version of the demarcation. You will not see the various versions of the burn, in fact, the version is the case. "Not just a few more features?" ”。4. Relationship of other software and JDK:You know, the JDK is the foundation of all Java software. In Tomcat, for example, it is software written in Java, meaning that its developers write code in the same Java language as you.Devel
Q: How do I troubleshoot different versions of CorelDRAW compatibility? CorelDRAW What is the usage rate for different versions?
A: CorelDRAW from the 8.0 version after the withdrawal of the Chinese market, so 9-10 have no Chinese version, we commonly used 9.0 Chinese version is a small company highly Chinese results, because the Han is not complete, it will lead to what we often say "version incompatible"
Android official Getting Started document [11] support for different platform versionsSupporting Different Platform VersionsSupport for different platform versionsThis lesson teaches1.Specify Minimum and Target API levels2.Check System Version at Runtime3.Use Platform Styles and ThemesYou should also read? Android API Levels? Android Support LibraryThis lesson teaches you1. Specify the minimum and target API levels2. Check that the system version is running3. Using the platform's styles and them
Use pyenv and pyenv-virtualenv in mac to manage multiple versions of python.0. System Version
Angel :~ $ More/System/Library/CoreServices/SystemVersion. plist
1. Install homebrew
Open the terminal and enter the following command to install homebrew.
Angel :~ $ Ruby-e "$ (curl-fsSL https://raw.githubusercontent.com/Homebrew/install/master/install )"
Test whether the installation is successful
Angel :~ $ Brew-v
Homebrew 0.9.5
Indicate
It's not easy to install different versions of Python, and it's even harder to switch between different versions of Python on the same host! We all know that multi-version will cause mutual interference, but can not not solve it??Exact answer: No, because there is a good helper to learn Python pyenv to manage different versions of Python!First, to install the pye
When you use the Homebrew installation tool under your Mac, the latest version is installed by default.Sometimes we need the old version, so what should we do?Older versions of homebrew can use the following commands:Brew versions Lists all the versions that you specify, select a version, and then use theInstall And now the latest version of the homebrew, there
java_home= $JAVA _6_home"
Alias jdk7="Export java_home= $JAVA _7_home"
Alias jdk8="Export java_home= $JAVA _8_home"
According to Apple's official instructions, Mac OS X 10.5 and later versions should use the/usr/libexec/java_home command to determine Java_home (the recommended way A is based on this principle).Cases:Java code
To view the installation path for the default JDK
/usr/libexec/java_home
To view the installation p
Sometimes, you may want to cache a page, but create different versions for the page based on the request. For example, the page may have different outputs based on the values passed in the query string.
ASP. NET allows multiple versions of the same page to be cached in the output cache. The output cache may vary depending on the following factors:
The query string in the initial request (http get.
The ht
Transferred from: http://www.cnblogs.com/zhwl/archive/2013/02/26/2933666.htmlUbuntu version is more, and based on the derivative version of Ubuntu is also a lot of people easy to confuse, but also let a lot of people do not know which one they fit, here is a simple comparison of the various versions of Ubuntu features: before you introduce the Ubuntu version, let's talk about some of the things that are relevant to Ubuntu: Ubuntu version number nami
1. PrefaceSometimes multiple versions of Python want to use pyenv isolation to avoid interference between different versions of the repository. Using pyenv can solve the problem of the development and use of python2 and Python3 very well.2.pynev Dependent library filesYum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel Libpcap-devel Xz-dev
Today, let's talk about how to gracefully switch between multiple versions of Python on a Windows system.Although Python3 has been out for a long time, although Python2 is about to become a history, but for historical reasons , there are still many company's old projects continue to use the Python2 version (switching costs too high), so most developers on the machine Python2 and Python3 are both co-existent, this article mainly explains how to conveni
In this article I'll compare the four major Linux versions--debian,mandrake,red Hat, and suse-and discuss how to develop a standard for choosing a Linux version for a particular business environment.
It is difficult to choose a version that fits a particular environment from a large number of Linux versions. Each version has its own focus, a set of its own files, installation methods and their own version o
Tags: download about different installation packages Tor business monitoring through modeling toolsDifferent versions of MySQLArticle from: http://blog.sina.com.cn/s/blog_62b37bfe0101he5t.html thanks to the author for sharing MySQL's website: http://www.mysql.com/downloads/There will be several versions of the selection in this download screen.1. MySQL Community Server Community version, open source is free
Label:Original: Anatomy of SQL Server 11th automated testing of multiple versions of SQL Server (translated)Anatomy of SQL Server article 11th automated testing of multiple versions of SQL Server (translated)http://improve.dk/automated-testing-of-orcamdf-against-multiple-sql-server-versions/Since I released Orcamdf Studio, I have realized the differences between
The technical personnel who have done the app product know that the app belongs to a C/s architecture, so it is more troublesome to deal with it in many versions, and it is not as easy as Web application. Here are some common scenarios and coping styles to analyze:minor changes or new additions.In this case, the database structure and API programs are generally compatible with multiple versions, so there is
Tags: style blog http color io os using AR forAnatomy of SQL Server article 11th automated testing of multiple versions of SQL Server (translated)http://improve.dk/automated-testing-of-orcamdf-against-multiple-sql-server-versions/Since I released Orcamdf Studio, I have realized the differences between some system tables between SQL2005 and SQL2008.These differences cause orcamdf parsing to fail because the
-inserted, but with rice transplanter that is a cool.MyEclipse is actually a plugin, it also needs to install Eclipse and then install it. But it is a charge plug-in, in fact, it includes a lot of plug-ins, very practical, more than some free to have fewer bugs, more perfect function, after all, is a charge of things. It's just that we cracked it.The difference with eclipse is that eclipse can only run Java classes, but not Web projects, and if you install a MyEclipse plugin on eclipse, Eclipse
Rbenv is used to manage multiple versions of Ruby in the user directory installation and use, and RVM two select one to use. Specific differences are documented in the rbenv, and there are also discussions in the community.System Requirements
OS X: Find a good place to download Xcode.app from the App Store, run it after installation, and install Command line Tools in the Downloads setup.
Linux: Install the development environment (compile link tools
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