I am trying to learn how to fade in and out images into another image or from another image. So, if I have 2 images, and 1 is being displayed at the moment, I want to display another image in the background and fade the first image out into the 2nd image. OR, I want to set the focus on
Tag: java
Opening CSV with UTF-8 BOM via Excel
I create csv file with data by the means of java. And I faced the following well-known issue: the letters in Portuguese were displayed by the wrong way in Excel (when opening by double click). I solved this by UTF-16LE+BOM, but excel started to recognize tabs as columns separators instead of commas. So I look…
(int) Math.sqrt(n) much slower than (int) Math.floor(Math.sqrt(n))
I was looking at my code, hoping to improve its performance and then i saw this: Oh, ok, i don’t really need the call to Math.floor, as casting the double returned from Math.sqrt(n) will be effectively flooring the number too (as sqrt will never return a negative number). So i went and dropped the call …
regex certain character can exist or not but nothing after that
I’m new to regex and I’m trying to do a search on a couple of string. I wanted to check if a certain character, in this case its “:” (without the quote) exist on the strings. If : does not exist in the string it would still match, but if : exist there should be nothing after that only …
Creating a border with System.out.println()
Is there anyway to create this sort of arrangement, without the String variable sh3 affecting the border? I’m really stumped here, my Java knowledge is pretty much limited to what you see here if that helps? Answer I know I am not providing the code for this, but I am pointing to the process of thinking…
How to create an object of subclass in java?
I am trying to create an object of subclass which is not static in the main, but not able to do. Does anyone tried the same? Answer or in your case You need the instance of the parent class to create instance of inner non-static class.
Unable to Build using MAVEN with ERROR – Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile
I have been trying to build a code using maven. But I am stuck with an error. The code is available on this github repo. google-play-crawler My system configurations as shown by maven is followning: Following is the Maven trace for the error: Here is the pom.xml. Answer Your Maven is reading Java version as 1…
Java Knight’s Tour Homework [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Questions asking for code must demonstrate a minimal understanding of the problem being solved. Include attempted solutions, why they didn’t work, and the expected results. See also: Stack Overflow ques…
Struts2 jQuery UI dynamic Menu from Action List
How can I generate dynamic menu & menu items from a list generated at Action? I tried this approach but it is generating only main menu but not sub-menus. Action class: JSP: What can i do to get Menu with menu items? Example classes structure: How to configure this in JSP page with sj:menu tag? Answer The…
How to resize page to fit drawing contents in Open office/Libre Office Draw
I am programmatically drawing a flowchart in open office draw by means of Java UNO Runtime Reference api.After I have drawn the flowchart I want to resize the page according to the area aquired by the contents drawn.I have noticed that Microsoft Visio has a property called “size to fit drawing contents&…