Rounding progress bar corners
I’m creating an app for Windows Universal, I’m trying to create a progress bar that looks like this: With this XAML: <Grid Width="100" Margin="1011,510,255,248"> <Border BorderThickness="3"...
View ArticleDoes HashMap.keySet() always get recomputed?
I’m trying to understand the performance characteristics of a method which makes several calls to keySet() in a loop (this is a single threaded application/no concurrency issues to worry about): for (...
View ArticleControl Visible Proprety not changing to set value
i can’t get the control visible property to change accordingly to my set value in code, and it looks ugly: htmlLabel1.Visible = false; htmlLabel1.Update(); htmlLabel2.Visible = true;...
View ArticleStackOverFlow Error on classes
I am trying to make two classes with each classes has an instantiation of another class, but havaing a java.lang.StackOverFlowError. The first class looks like below public class ReverseGPA {...
View ArticleDislplaying HTML/CSS/Javascript in Java GUI
I’m coding a UI project with HTML/CSS and Javascript. It’s actually redesigned version of apple music. I just made it for fun but I want to know is anyway out there to Implement the project to a Java...
View ArticleDeserialization from String in Java
this is my first post here, but I’m really needing help on this one because I’m just starting to learn about Serialization/Deserialization in Java: I have a String that looks something like this:...
View ArticleChanging background of TextBox when not in focus
I have a TextBox in a XAML file that I want to change the background color of since the default color is grey when the box is not in focus. Changing the Background-property doesn’t seem to work and I...
View ArticleJTable only String columns are transparent
I have a JTable which is transparent only for String columns. It looks like on this screenshot. What is the problem? Is it possible to make any object columns transparent? The post JTable only String...
View ArticleFiles.newDirectoryStream vs. Files.list
I am aware that Files.list(Path) uses Files.newDirectoryStream(Path) internally and basically just wraps the DirectoryStream. However I don’t understand, when I want to use the first or the latter one....
View ArticleHow to get Value from ArrayList
My Java list looks like below: ArrayList<String> al = new ArrayList<String>(); City: Berlin, Document guid: 08c14773-db81-4c43-8b66-51e5d39a4b2d, Content: null City: Amsterdam, Document...
View ArticleRxJava – Where did AbstractOnSubscribe go in 1.1.0?
Version 1.1.0 just came out and it looks like they dropped rx.observables.AbstractOnSubscribe Removals from Public API Observable.onBackpressureBlock rx.observables.AbstractOnSubscribe Removal of...
View ArticleJFrame losing its structure and looks on resizing after button click
I have the following code to run a simple number guessing program on the click of a button: public class test3 implements ActionListener { public void create() { Dimension s=new Dimension(400,400);...
View ArticleEclipse System Error
So pretty much I was just working on a new eclipse project for school and I don’t really remember what happened but I do recall pressing something. After I pressed it, everything went crazy and pretty...
View ArticleAcces a TreeView Form inside GridView to populate ComboBox collection
I have a following problem with Windows Form Application. I have two forms: CategoryTree.cs form with TreeView inside and a ProjectForm.cs with DataGridView inside. I would like to populate...
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