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问题 I want to add some hint text in a textfield, like "name" or "surname". I create the textfield like this TextField userTextField = new TextField(); , but I cannot find how to do that. Here, I just found this Clear prompt text in JavaFX TextField only when user starts typing but I cannot believe this is the only way to do it. Or I am wrong? 回答1: I do it like this: userTextField.setPromptText("name"); //to set the hint text userTextField.getParent().requestFocus(); //to not setting the focus on

问题 I am trying to include some symbols into a div using JavaScript. It should look like this: x ∈ &reals; , but all I get is: x ∈ &reals; . var div=document.getElementById("text"); var textnode = document.createTextNode("x ∈ &reals;"); div.appendChild(textnode); <div id="text"></div> I had tried document.getElementById("something").innerHTML="x ∈ &reals;" and it worked, so I have no clue why createTextNode method did not. What should I do in order to output the right thing? 回答1: You are

问题 SwiftUI has wonderful animation features, but the way it handles changes in Text View content is problematic. It animates the change of the text frame but changes the text immediately without animation. As a result, when the content of a Text View is made longer, animating the transition causes an ellipsis (…) to appear until the text frame reaches its full width. For example, in this little app, pressing the Toggle button switches between shorter and longer text: Here's the code: import

问题 SwiftUI has wonderful animation features, but the way it handles changes in Text View content is problematic. It animates the change of the text frame but changes the text immediately without animation. As a result, when the content of a Text View is made longer, animating the transition causes an ellipsis (…) to appear until the text frame reaches its full width. For example, in this little app, pressing the Toggle button switches between shorter and longer text: Here's the code: import

问题 SwiftUI has wonderful animation features, but the way it handles changes in Text View content is problematic. It animates the change of the text frame but changes the text immediately without animation. As a result, when the content of a Text View is made longer, animating the transition causes an ellipsis (…) to appear until the text frame reaches its full width. For example, in this little app, pressing the Toggle button switches between shorter and longer text: Here's the code: import

问题 I am trying to generate an UIImage from custom text in Swift3 . Using iOS Controls , It's possible to create an UIImage, below is the code: class func imageWithText(txtField: UITextField) -> UIImage { UIGraphicsBeginImageContextWithOptions(txtField.bounds.size, false, 0.0) txtField.layer.render(in: UIGraphicsGetCurrentContext()!) let img = UIGraphicsGetImageFromCurrentImageContext() UIGraphicsEndImageContext() return img! } Note: I know it's also possible to add some text to an image, but I

问题 I am trying to generate an UIImage from custom text in Swift3 . Using iOS Controls , It's possible to create an UIImage, below is the code: class func imageWithText(txtField: UITextField) -> UIImage { UIGraphicsBeginImageContextWithOptions(txtField.bounds.size, false, 0.0) txtField.layer.render(in: UIGraphicsGetCurrentContext()!) let img = UIGraphicsGetImageFromCurrentImageContext() UIGraphicsEndImageContext() return img! } Note: I know it's also possible to add some text to an image, but I

问题 I am trying to generate an UIImage from custom text in Swift3 . Using iOS Controls , It's possible to create an UIImage, below is the code: class func imageWithText(txtField: UITextField) -> UIImage { UIGraphicsBeginImageContextWithOptions(txtField.bounds.size, false, 0.0) txtField.layer.render(in: UIGraphicsGetCurrentContext()!) let img = UIGraphicsGetImageFromCurrentImageContext() UIGraphicsEndImageContext() return img! } Note: I know it's also possible to add some text to an image, but I

问题 This question already has answers here : How to create a text input box with pygame? (4 answers) Closed 25 days ago . When you click the textbox I want the user to be able to type letters by setting self.active to True. When you click off the text box I want the player to lose that ability by setting self.active to False. However when I click the text box, self.active becomes true for a split second before becoming False again. How do I fix this? from pygame import * init() screen = display

来源： https://stackoverflow.com/questions/64811705/writing-text-based-on-words-in-text-files