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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)

(2) Learn Ardupilot source code--shetch Examplemy own Tip : In Understanding the Ardupilot the basic information and architecture of the source code, following the beginning of the actual combat, the following began to learn the first example. Your first step in exploring the code yourself is to use the libraries routines. According to the Arduino tradition, most

One: Development toolsOn the web to see the use of development tools Aptana Studio, I downloaded the aptana_studio_3_setup_3.6.1.exe, in the process of installation Ah, there are various problems, and then after the installation has also appeared to open the problem. First of all, talk about the installation time problem.(1) At the time of installation, there is a download of some plug-ins can not download the reason, this I Baidu said is due to network problems so that the delay can not downloa

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

, the error will beNotoginsengusefunctionservice.setfunctionservice (functionservice) + * * * *Description(1) [email protected] The note indicates that the current class is a configuration class, which means that the class might have 0 or more @bean annotations immediately, and that the @componentscan annotation scan package is not used here because all beans are defined in this class(2). Use @bean annotations to declare the current method, such

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

provides two of the parameters. Overrides the default of two values.Another way to provide one, so username is covered by admin. However, password uses the default guest.The third Way specifies the password as admin. But username uses the default guestThe default value is used for all two of the four-way parameters.2.2) List Number of referencesdef print_array (

Learn about the basics of Android from 0 (2)-Explanation of the AndroidMainfest. xml fileAndroidMainfest. xml file details 1. About AndroidManifest. xml AndroidManifest. xml is a required file in every android program. It is located in the root directory of the entire project, describing components exposed in the package (activities, services, and so on), their respective implementation classes, various dat

");}} Thread deadlock problem: , Package cn.galc.test; /* This applet simulates the problem of thread deadlock * * * public class Testdeadlock implements Runnable {public int flag = 1; static Object O1 = new Object (), O2 = new Object (); public void Run () {System.out.println (Thread.CurrentThread (). GetName () + "flag=" + flag); * * Run the program after the implementation of the program to print out here after the flag will no longer execute the following if stateme

#可变类型 Immutable typesStus = [' aaa ', ' BBB ', ' CCC ', ' ddd ', ' eee ']Words = ' aha haha '# take out every element of the list Print (i)# remove every character in a stringFor j in Words: Print (j)# slices, a way to take a list of valuesPrint (Stus[1:3]) #顾头不顾尾, takes only the element with the subscript 1-2, does not remove the element labeled 3, in list formPrint (Stus[:3]) #开头下标写0和不写一样Print (st

Learn extjs5 with me (24 -- custom design of the module Form [2]), extjs524 --Learn extjs5 (24 -- custom design of the module Form [2]) with me. In this section, we will add various types of fields, when a field is added, multiple fields can be added to one row. Therefore, a layer of fieldcontainer is added to the hier

application's namespace to "Com.sample.HelloWorld" in the Packager.json package configuration file, when I asserted that the namespace should be the package name for the Android app, where we can "PM List Packages "This is specifically a command to list all the installation packages to verify:From the fact that we can verify that all of the previous package names and namespaces are the same thing. Author Autonomous blog csdn Heaven Zhuhai Sub-

iOS Development How to learn the front end (2)The previous results are as follows.The effect is as follows. Implemented a horizontal , also both iOS UITableView. The background color of the LI tag becomes black when the mouse moves to one of the list, and also to the UITableViewCell in iOS. The page is simple. But there is still a small problem. Sharp-eyed's classmates can find out. When

contain the following three kinds of files: HTML: Contains the content and structure of the page. CSS: Controls how the page looks and behaves. JavaScript: Controls the behavior of the page. 1, There are two very important range tags in HTML: and .They are used to divide the content into semantic (semantic) blocks.2. Class and IDIn HTML, the content is separated into these meaningful blocks. Still need to identify fragments of c

here, without further analysis.anyway, as long as there is a button pressed, will execute simplebletest_processevent this function, in fact, the press release when also have a button message sent up, convenient for us to make a judgment on the key state. and simplebletest_processevent This function is in our application layer. At this point, the key process analysis is complete.Application LayerApplication layer similar to Key1, registration + event handling (see above)not finished ~ Follow my