nfc actions

following roles for backing up and restoring dataBackup permissionsRestore Restoration PermissionsAll-database rolesThe admin data provides the following roles, which are valid for all databases.Readanydatabase provides read access to all databasesReadwriteanydatabase provides write access to all databasesUseradminanydatabase provides administrative rights to all database usersDbadminanydatabase dbadmin permissions on all databasesSuper characterRole descriptionRoot has the highest privilegesIn

timer that triggers an event every 1 seconds, which is a stored procedure that executes the e_test defined above once per second.3. This is the simplest but also the most important, we have to manually start the timer, otherwise it can not work.ALTER EVENT event_test onCompletion PRESERVE ENABLE;Finally, to remind one point, create a stored procedure and create a timer code to separate execution, or will be error, temporarily do not know why, personally think this may be a database to create a

)Change Password: Alter user username identified by modified passwordYou can also create your own roles:Syntax: Create role name;Example: Create role testrole;Authorization role:Syntax: Grant select on the class to role name;In the following: Grant Select on class to TestRole;Note: Now, all users with the TestRole role have select query permissions on the class tableTo remove a role:Syntax: drop role name;Example: Drop role testrole;Note: Permissions associated with the TestRole role are removed

Su from the group-User-c"#命令1;"# Toggle User ExecutionRestore Password operation mode# that goes into single-user mode: After Linux appears grub, press "e"on the installed system, then the grub configuration file appears, press the keyboard to move the cursor to the second line "Ker ... ", then press "e", then at the end of the line add: space single or Space 1 return to the car, and then press "b " reboot, enter " single user mode "Special permission Actionss or S (SUID): corresponds to a val

1. Turn off the firewall or open the SSH login port (default 22) to the firewall.2, set the hostname temporary: hostname XX Permanent: Modify the corresponding hostname value in the/etc/sysconfig/network, and then restart the network card3, set the name of the native IP to modify/etc/hosts add native IP name (can be set multiple)4, view the value of SELinux if it is temporarily modified to: Setenforce name Permanent modification:/etc/selinux/config selinux=disabled default is enforcing temporari

Visual C + + learning path to the 2nd station, skipping the basic concepts such as classes and objects, directly to the dialog box layout operation, the personal think this is particularly useful knowledge points. Although said not to look at this chapter, own groping can also understand the general operation process, but the book on the operation of the small skills, you can let you develop in the future with less.1. Add controls to the dialog box. Select a control and hold down CTRL and drag t

of the small + sign:Click OK to generate the folder and refresh the list:The following is a look at the bulk copy operation, long press the ListView item, the upper right corner of the small + sign disappears, the Generate Delete button and copy button, click on item selected, change the selected item background color:Perform bulk paste, here I only ordered 5 items, so only paste 5 folders, we notice the top right corner of the icon, and restore to the time when the icon is not copied, in fact,

1.inclue instruction"url" %>2.inclue Action"url" flush="true|false" />The difference between 3.inclue instructions and actions4.forward ActionRequest JumpRequest.getrequestdispatcher ("/url"). Forward (Request,response);"url" />5.param Action"parameter name " value=" argument value " >Often used with "Javaweb" Learning note eight instructions and actions

file:///home/hezhenzhen/.cache/.fr-zzlgid/%c3%90%c3%82%c3%8a%c3%96%c2%b5%c2%bc%c2%ba%c2%bd%c2% Bf%c3%8e%c2%b3%c3%8c%c3%94%c2%b4%c2%b4%c3%ba%c3%82%c3%ab/index.htmlVarious actions of cookies in JS

The difference between--has and find for the related operation of Li tagDemo Code: Now we use have and find to traverse the output with the value of the P tag. $ ("Ul>li"). Find ("P"). each (function(index) { alert ($ (this). HTML ()) ; }) $ ("Ul>li"). Have ("P"). each (function(index) { alert ("P")..HTML () ); })Note: Please see the alert differences between the twoFront-End Learning notes (Zepto or jquery)--related

1. The menu is part of the window frame, if we want to import a custom menu, we can implement the following statementAdd the following snippet in the CMainFrame::OnCreate functionSetMenu(NULL);//将原本的菜单项去除menu;//新定义一个菜单对象menu.LoadMenu(IDR_MAINFRAME);//将ID为IDR_MAINFRAME菜单资源载入到menu对象中SetMenu(menu);//将menu对象设为框架类对象的菜单menu.Detach();//断开菜单资源与菜单对象的关联2. Generate a check mark menu item, which is implemented in the Framework classGetMenu()->GetSubMenu(0)->CheckMenuItem(0,MF_BYPOSITION | MF_CHECKED);3. Set

First, open the Multi-child windowInstantiate the form you want to open in the control, and then adjust the method showExample: Open the F2 form in a buttonForm2 f2=new Form2 ()F2.show ()Second, the value of the constructor function1, add parameters in the instantiation, display the information type, open the form type2. To open the form in the constructor acceptThird, open the window only1. Instantiate to open the window and place it in the type collection2, determine whether the window is in t

1Open another form with one form buttonForm F2 = new Form2 ();F2. Show ();Open the second page through this to show only one page can only hide the first pageIf the first page closes, the second page is closed.2 Passing values between formsPassing values between forms requires two or more formsForm F2 = new Form2 (the value to be passed);F2. Show ();And then another form that needs this valueUsers z = null;//is instantiated based on the type of the valuePublic FORM4 (Users a)//method here also w

written, because it is click on the first form to open the second form, so instantiate the second form: Form2 F2=NewForm2 ( This); F2. Show (); This. Visible =false; Because you want to display the second form of XXX welcome, you need to pass in the constructor the parameters of the Users class U, and, not U. UserName, but a nickname, pay attention to using Label1. Text Receive Form1 F1=NULL; PublicForm2 (Form1 F1, Users u) {initializecomponent (); F1=F1; Label1. Text= U.nickna

The operation of the file in Python uses open (filename, "w"), where filename is the file name, w refers to the write operation, it automatically overwrites all the contents of the file, as well as R read operations and a append operation.Note that: Only one operation can be done at the same time, such as writing the time can not be read, even if you use the w+ parameter, but also just read out the blank content, but will not error, all completed an operation using the new parameters to continue

, transparency 0-255var fadeto = new CC. FadeTo (1, 200);Sprite1.runaction (Fadeto);Fadeinvar Fadein = new CC. FadeIn (3, 255);sprite1.opacity = 0;Sprite1.runaction (Fadein);Fadeoutvar fadeout = new CC. FadeOut (1, 1);Sprite1.runaction (fadeout);Bezierto, PARABOLICvar Bézier = [CC.P (CC.P), CC.P (600, 200)];var Bezierto = new CC. Bezierto (2, Bézier);Sprite1.runaction (Bezierto);Rotateto, swivelvar rotateto = new CC. Rotateto (2, 90);Sprite1.runaction (Rotateto);Rotatebyvar rotateby = new CC. Ro

layer, we actually have 0, 1, 2 in the sub-view array. The allocation order also changes synchronously, this is known when using Exchangesubviewatindex, because it is directly the order of the array of exchanges, you can check Nsarray by the following methods: Subview2=self.view.subviewS UIView *view11=[subview2 Objectatindex:5]; View11.backgroundcolor=[uicolor Purplecolor]; [Super Viewdidload]; Do any additional setup after loading the view, typically from a nib.} We want to change th

If your site collection was created using the publishing template, then you can use this fix to hide the new page option from the site actions menu: Go to site settings-master pages and page layouts Open the editing menu folder Edit customsiteaction. xml Paste the following XML into the customsiteaction. xml file XML Version = " 1.0 " Encoding = " UTF-8 " ?> Console > References > Reference Tagprefix = "

can be determined by the app debugging to create a symbolic link: "/private/var/tmp/install_staging.eP7ZzJ/foo_extracted" ---> "/var/"The suffix varies with each installation. Sample Code: def fire_race_condition(lockdown, file_name): mci = lockdown.startService("com.apple.mobile.installation_proxy") sock = get_sock() print "----->PING" sock.send("PING") msg = sock.recv(4) if msg == "PONG": print "After installing three payloads, pangu will upload the file to the pan

1. This instance mainly tells us how to use JSP actions in JSP code, for example, 2. This instance requires four files: login.jsp,test.jsp, OK .htm,no.htm 3. First, let's take a look at login. jsp. Username Password 4. The test. JSP code is as follows: String username = request. getparameter ("username "); If (username. Trim (). Equals ("ABC ")) {%> Else {%> %> 5. OK .htmand no.htm are very simple and can be written at will: