how to cancel headspace

1. Using the EXEC () return value It is necessary to distinguish whether the user presses "OK" or "Cancel". The dialog box can be closed by calling the accept () or reject () slot, and EXEC () returns the appropriate accepted or rejected. 1. Example 1//按下的是Cancel键if(fileDialog->exec()==QFileDialog::Rejected) { qDebug("取消"//按下的是OK键elseif(fileDialog->exec()==QFileDialog::Accepted) { qD

1.UILable content BlurOn the screen of a non-retina ipad Mini, the origin value of a uilable frame, if it has a decimal place (such as 0.5), causes the display to blur, so it is best to use the origin of the integer value.2. Cancel the keyboard responseResignfirstresponder is usually used to cancel keyboard response events, but there are three ways to cancel the

To cancel a single operation:AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];[operation cancel];Or*operation = [postManager POST:request.methodUrl parameters:parameters *operation, id responseObject) { *operation, *error){ }];[operation

Computer boot password forgot how to cancel. Believe that many people will set the power-on password, but do not know how to cancel the power-on password. Also some people set the power-on password, after a period of time even they do not remember, then how to do? Now let the small to show everyone the computer boot password forgot how to cancel the method. Comp

Use jQuery to implement a function similar to the edit, update, cancel, and delete functions of the GridView, jquerygridview Let's take a look at the following real-time effect demonstration: When you click Edit, a row is dynamically generated under the click row. Edit the button to disabled.The newly generated row contains the updated and canceled buttons. Click "cancel" to delete the newly generated row.

Cancel the default action (response) of the browser on the event (for example, the jump of tag a) and stop the event from spreading, the following is a good example. You can cancel the browser's default event behavior (response) (such as tag jump) and stop the event propagation. Implementation Code The Code is as follows: Function stopEvent (evt ){Var evt = evt | window. event;If (evt. preventDefault ){

Tags: blog OS, use the AR file Div SP art C Command Line shutdown command ---- shutdown Windows XP is controlled by the shutdown.exe program, which is located in the windows \ system32 folder. If you enter "shutdown-T 0", the system will immediately shut down. For example, to shut down your computer at, you can select start> Run and enter "at shutdown-s, at, the "system shutdown" dialog box appears. By default, there is a 30-second countdown and you are prompted to save your work. If you want

Djselectcityviewcontroller.m#pragmaMark-uisearchbar Proxy method/** Searchbar start editing*/- (void) Searchbartextdidbeginediting: (Uisearchbar *) Searchbar {//Hide Navigation bar[Self.navigationcontroller Setnavigationbarhidden:yes Animated:yes]; //Show MatteUIView *cover =[[UIView alloc] init]; Cover.backgroundcolor=[Uicolor Blackcolor]; Cover.alpha=0.2; Cover.frame=Self.cityTableView.frame; Cover.tag=Djcovertag; //since UIView is not uicontrol, there is no Addtarget method, you can use UITap

One: event bubbling means: A large container has been set up the event, if the container also contains a small container also set its own events, then because the small container is inside the large container, triggering the event of a small container is also equal to triggering the event of a large container, sometimes this is not the result we want, We can prevent events from bubbling through capability detection such as:Which I put two graphs in my dt tag, I set the DT click event:$ (' DT ').

[Oracle] supports ledba22 cancel-based recovery, cwmbasedrecovery The current time is 12: 00 noon. You want to recover the USERS tablespace From a failure that occurred at :50 a.m. You discover that The only member of an unarchived redo log group containing information From a.m. onwards is wrongly upt. With reference to this scenario, if you are not using Recovery Manager (RMAN ), Which recovery method wocould you use? A. time-based recovery B. log se

Pattern Application BackgroundIn the computer room charge system, there is a window to change the basic data:Since the data was changed in the text box. Just do not click Change button. is not updated to the database. So, the Cancel button here in the Personal edition reads the original data from the database and loads it into the window again. In this collaboration, the memo mode was added to deal with this cance