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Disclaimer: The recent installation of the kilo version of OpenStack found that there were very few existing web tutorials and that most of the tutorials did not install successfully, So write this tutorial. The installation of OpenStack is complex, and this tutorial does not guarantee that it will be installed successfully in different environments. Personal installation tutorials are also prone to errors. At the same time, the installation is in the virtual machine environment, the real ins

The article is also published in the [Ceph China community], named Thomas, the other is not very clear, the need for readers, can leave a message to ask, thank you! Creating a cloud host in OpenStack first has to be mirrored, while the Glance module provides mirroring service capabilities, including: Image discovery, retrieval, and storage, including: Glance-api and

separators. source; Current directory/directory Separators? Single characterEnter command execution* Wildcard characters: any characterWildcard characters: any characterOne of the [ABC] list items[^ABC] can also use the range [A-z] for the list to represent the aabbcc...,[0-9] for the 012345 ...{} Loop List[Email protected] @server-leader]# Touch {1..3}{a. D}.txt[[email protected] @server-leader]# ls1a.txt 1b.txt 1c.txt 1d.txt 2a.txt 2b.txt 2c.txt 2d.txt 3a.txt 3b.txt 3c.txt 3d.txtRange of cont

machine learning algorithms, build machine learning applications from scratch using the Scikit-learn library Magnus Lie HetlandTranslator: Ching The prestigious Python Primer Classic Chinese version of cumulative sales 240,000 copies New upgrade for Python 3 Get started with other programming language Basics Python First book Jake VanderplasTranslator: Tao Junjie, Chen Xiaoli Master the efficient storage, processing and analysis of data with Scikit-learn,

); } } functionChild (FirstName) { This. parent=Parent; This. Parent (FirstName); Delete This. Parent; This. saysomething=function() {Console.log ( This. fname); This. Sayage (); } } varMychild=NewChild ("Lee"); Mychild.saysomething (); Using the call method to change the function context implementation inheritancefunctionParent (firstname) { This. fname=FirstName; This. age=40; This. sayage=function() {Console.log ( This. Age); } } functionChild (FirstName) { This. saysomething=func

the filename to the line following the cursorShell Command Command:! Shell command runs shell commands in vimMultiple file editing instructionsVim filename1 filename2 ... Open multiple files at the same time in vim: Files lists all open files: N View Next file: N View Previous fileMulti-window editing instructions: SP filename also opens multiple vim windows to browse the file, and if you omit filename, the same file is browsedCtrl+w+j (down arrow) cursor moves to the next windowCtrl+w+k (up AR

more concise and readable.Java 8 has made improvements to some libraries, such as the new Java.time package and the optional class, and the optional class makes the code written in spring simpler and clearer.Finally, compiling Java 8 code with the –parameters option preserves the parameter names of the methods at compile time, allowing developers to write more compact spring MVC methods and spring data query methods.If you're ready to use Java 8 in your project, you'll find that Spring 4 is a g

case the Css3pie or HTC or conditional comment methods are not used. You might have to let ie8-'s exclusive hack.While using hack is good for consistency in page performance, excessive abuse can cause HTML documents to become cluttered, adding to the burden of management and maintenance. I believe that as long as we work together, less use, cautious use of hack, the future will certainly promote the standards of browser manufacturers increasingly unified, smooth transition to the mainstream of

of the system for installation, select Yes:Then is the long wait, if the download fails, do not be afraid, continue to try several times can:3.DAX Studio FeaturesDAX Studio can be used as a plug-in in Excel 2010/2013 and is a standalone program that provides some features:1. Elegant user interface: Flexible layout, Support tab, imitation Office Raibbon control,2. Integrated tracking, query plan tracking, server timing tracking3. Function metadata, smart hints, Meta data panel, model meta-data4.

are a consumption of profits, increase the cost of the department, so has been unable to get attention.Only change oneself, however, change need to sacrifice some things, can get reborn.Can talk about programming without experience, at most only a "Hello World", left the school has been more than 10 years, the C,VB has forgotten all the time, the technology can be changed every day, the old generation of technology has been unable to adapt to the development of the Times.Into the Python trainin

Linux boot process at a glanceOverall process:1.BIOS: Load BIOS hardware information and self-test, get the first bootable device according to the setup2.MBR: Read and execute the first boot loader3.grub: Read/boot/grub recognition System file4.kernel: Load core file, start/sbin/init when loading is complete5.init: Start init program and wait for user login after completion6.bash: User LoginOverall flowchartInit Step Detail DiagramLinux boot process at a gla