learn angular 2

The main contents of this section:1: Thinking question: How to read multiple configuration files, what if the file does not exist2: Configure the database connection poolStatement:This is the important note for the Spring boot framework to learn preschool (4)-Read the external resource Profile 2 by annotating the Edith with you learning Series-Framework Learning Spring boot Framework learning. You are welco

Start from scratch to learn how to build and create a project in the Xamarin. Forms (2) Environment, xamarin. formsI. Build an environment in Windows: 1. download and install jdk, Android SDK, and NDK. Of course, you also need VS2013 update 2 (both VS2010 and VS2012) and later.. latest SDK,: http://dl.google.com/android/android-sdk_r23-windows.zip B. android plat

: Enter the CD Bin (the main demo is under the Window System) Continue input: mongod-dbpath= "D:\mongo\data" The last line of code tells us that the server port is on port 27107. Let's then reopen a command window to connect to the server: Under the corresponding root directory file: Enter MONGO: Here we can learn simple database operations: As a small white, if you do not know what commands, then you can enter help to assist you to view. MongoDB

how to design a database. So how do you design it? In fact, we can see some shadows from the above example. For example, the first need to figure out what database to design, that is, to clarify the requirements, the above example from the beginning to the back to add the number of information, add the school year semester information, etc. , and then the conceptual problem, what is the entity what is the relationship, and finally the logical design , which is close to creating the table.Learn

Every day, Bootstrap must learn the navigation bar. It further explains how to use the elements in the navigation bar and how to use them. If you are interested, refer I. basic navigation bar When creating a basic navigation bar, take the following steps: Step 1: first create a navigation list ( ) And add the class name "navbar-nav" Step 2: Add a container (p) outside the list and use the class name

Learn some of the FreeSWITCH core commands, and then learn more about FS in detail.To see if it was not previously suspected, two times when programming changes the configuration file, or Java injects some parameters into the configuration file, learn more about the following configuration file.This should be difficult, not clear.Ask Mr. Baidu.Learn a new knowled

MongoDB (2)-learn about the installation configuration and mongodb installation Configuration I introduced the general theoretical knowledge of MongoDB. This article will install and use MongoDB on windows and linux. Of course, we will install MongoDB on linux in more cases, after all, the linux server is still mainstream. Of course, for different systems, MongoDB installation and usage are basically the sa

Android reinforcement-2. Learn to crack the app before reinforcement and debug the program for modifying the memory value, [All Rights Reserved. For more information, see the source .] Because the company's project requires app reinforcement, after several months of research, I have achieved a complete set of third-party reinforcement solutions such as love encryption (third-party reinforcement is expensive

In the previous section, the hello WorldProgram, Here we will further elaborate on this program,Source codeAs follows: # Import 1. Objective-C contains the keyword import of the header file, which is mainly because of GCC support and also supports include. The main difference between import and include is that after using import, # ifdef/# define/# endif is not required in the header file to prevent repeated inclusion of header files, which is similar to C # and Java

* @authorAdministrator7 *8 */9 Public classMaintest {Ten One Public Static voidMain (string[] args) { A //1. Accept a configuration class as a parameter using the Annotationconfigapplicationcontext most spring container -Annotationconfigapplicationcontext context =NewAnnotationconfigapplicationcontext (Javaconfig.class); - //2. Get the Usefunctionservice bean for the declared configuration theUsefunctionservice Usefuncti

-rwxr--r--1 root root 07:47 test.shlinux:/home/zjk# ls-ld test DRWXR-XR-X2 root root 4096 June 2 10:50 testtestdg01:/home/sshusr/zjk# mkdir-p Test/test1 Test/test2testdg01:/home/sshusr/zjk# ls-r test TestTest1 Test2Test/test1:Test/test2:Second,CD command: Switch directory1 , switch to the specified user home directory, if you have directory permissions for the userlinux:~ # pwd/rootlinux:~ # CD~ZJK Switch to sshusr User Home Directorylinux:/home/zjk

Linux CD commands can be said to be the most basic Linux command statements, the other command statements to operate, are based on the use of the CD command. Therefore, to learn the common Linux commands, the first step is to learn How to use the CD command skills. 1. Command format:cd [ directory name ]2. Command function:Toggle current directory to DirnamE3.

username is overwritten by admin, but password uses the default guest.The third method specifies password as admin, but username uses the default guestThe four-way two parameters all use the default values.2.2) List parameter valuesdef print_array (names=[]): for name in Names: print (name) keys = [' admin ', ' guest ']print_array (keys)2.3) variable length parameter valuedef print_names (* names): For name in names: print (name) print_names (' root ') print_names (' admin '

How to Learn programming? -- Thoughts on Programming Language Learning for beginners (2) Write by nine days Yan Ling (jtianling) -- blog.csdn.net/vagrxie Discuss newsgroups and documents As a person who has been studying programming for several years and is still living in the world with C ++, I can also find the fun of programming in these simple graphics, which is the pleasure of Turtle. I think beginner

I want to learn more about Python and list (2 ). List operations Merge list List. append (x) is mentioned in the list operation in "a large list (1)", that is, an element x is appended to a known list. In addition to appending an element to the list, the two lists can also be merged, or a list can be appended to another list. Follow the previous conventions to see the description in the official document: L

Tutorials | Getting Started | Web page Related articles: 　　Learn the basics of Web Authoring Tutorial (1) Web authoring 　　Delimited labels on text 1. How to: Force break-through labels 2. Label Commentary : We are writing articles, sometimes in a specific place will be forced to break ( 3. Examples of Use : Raw code Show results This is a break-through example This is an e

JavaScript is a Class C language, and it's pretty easy for me to learn.1 outputConsole.log (* *); Equivalent to printConsole.assert (*); popup 2 variable JS is a dynamic variable similar to Python but to precede with var such as var a = 3 or 3.0 or ' name ' and so on if not add Var to the global variable is not recommended so use 3 comparison operator with ' = = ', ' = = ' Converts a variable type 4 object

table, it is better to destroy the index first, and then build the index after the data has been updated, which increases efficiency.7> index to occupy database space. When designing a database, take into account the required index space.8> try to keep the table and its index on separate disks, which can improve query speed.6. View6.1, the advantages and disadvantages of the view, mainly in the simplification of operations, custom data, merge separated data, security and so on.There are two mai

Learn to make a mobile page 2.The properties of a CSS3 are described first. Box-sizing This attribute is the border and padding of the box model are counted.Code that is not using box-sizing1 DOCTYPE HTML>2 HTMLLang= "en">3 Head>4 MetaCharSet= "UTF-8">5 title>Box-sizingtitle>6 7 style>8 Div{9 Ten width:200px; One Height:200px; A padding:10px 20px

One step to learn Silverlight 2 series (1): Create a basic Silverlight Application Http://www.silverlighter.net/thread-96-1-7.html One-step learning of Silverlight 2 series (2): basic controls Http://www.silverlighter.net/thread-97-1-7.html One-step learning of Silverlight