the world is a pixel
Buzz on JavaFX and Inkscape
At November, 26, on the main page of java.sun.com at the section From The Blogosfere
Thanks for all comments, suggestions and feedback on the post Inkscape and JavaFX working together. The JavaFX guru James Weaver posted about on his blog and it also figured out on java.sun.com on the From The Blogosfere section.
Bob said that there are build binaries of Inkscape for Windows, so we can already see it 0.46-devel working without compiling yourself yours.
\o/
And hey, Project Xort won a second place prize at the MySQL and GlassFish Student Reviews Contest. A lot of guys here from Brazil were prized, congractulations guys!
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Java: invoking a method by name
29 April, 2010 - 10:29 am
Tags: Class, Java, method, programming, Reflection
Posted in english | 1 comment
import java.lang.reflect.*; public class Foo { public void bar(int param){ System.out.println(param); } public static void main(String args[]){ Object f = new Foo(); try { Method m = f.getClass().getMethod("bar", int.class); m.invoke(f, 42); } catch (Exception e){ System.err.println(e); } } } $ java Foo 42
calling commands in Java
8 April, 2010 - 1:09 pm
Tags: getruntime, Java, programming, runtime
Posted in english | No comments
I don’t like the approach of calling native shell commands in any language instead of using multi platform libraries, but here is a little prof of concept Java program to call native commands. import java.io.*; import java.util.*; public class Exec { public static void main(String args[]) throws IOException { Process proc = Runtime.getRuntime().e xec(args); BufferedReader [...]
Iterating over a HashMap
8 April, 2010 - 11:22 am
Tags: collections, enhanced loop, foreach, hashmap, iterating, Java, programming
Posted in english | No comments
Iterating over a HashMap using the enhanced loop (foreach) in Java is a good way to keep your code smaller, more legible and usually more semantically coherent. import java.util.HashMap; import java.util.Map; class Foo {} public class Main { public static void main(String args[]){ Map<Byte, Foo> mHash; mHash = new HashMap<Byte, Foo>(); [...]
Getting enviroment information on Android
16 March, 2010 - 10:18 am
Tags: Android, Eclipse, Java, programming, who am i, whoami
Posted in english | 4 comments
This is a simple program I wrote called Who Am I that shows informations about the device which it is running. Which can be useful for developers and maybe advanced users. Download: WhoAmI.tar.bz2 – Eclipse project. It’s configured for Android platform 4 (1.6) but should work without problems in newer Android platform versions. WhoAmI.apk – [...]
The Caps Lock Java Socket Server
27 February, 2010 - 9:39 pm
Tags: caps lock, Java, programming, socket, upcase
Posted in english | 1 comment
Here is a simple server for those who are starting studying sockets or just needs a simple socket server example for reuse while writing your own behavior. Features: A client should enter a string and the server would answer the same string, with each symbol in up case, when possible. Default port at 8080. One [...]
Beware the locale
22 February, 2010 - 5:16 pm
Tags: development, i18n, Java, JUnit, locale, programming, String, teste unitário, toString, unit testing
Posted in english | No comments
Today I was programming a toString method for a class widely used in a application, using the very useful String.format that provides a C’s like printf formatter. @Override public String toString() { return String.format("VO[a: %.1f, b: %.1f, c: %.1f]", a, b, a+b); } %.1f means a float with one digit precision after the dot separator. [...]
Java Font List
5 January, 2010 - 6:10 pm
Tags: AWT, fonts, Java, JVM, Larabie, Larabie Fonts, programming
Posted in english | Comments Off
Here’s a program that lists fonts available in your JVM. You can also set the environment variable JAVA_FONTS to specify the font directory. import java.awt.GraphicsEnvironment; public class ListFonts { public static void main(String args[]){ GraphicsEnvironment e = GraphicsEnvironment.getLocalGraphicsEnvironment(); for(String font:e.getAvailableFontFamilyNames()){ System.out.println(font); } } } By using pipes you can count how many fonts you [...]
Tiled TMX Map Loader for Pygame
I’m using the Tiled Map Editor for a while, I even wrote that tutorial about it. It’s a general purpose tile map editor, written in Java but now migrating to C++ with Qt, that can be easily used with my set of free pixelart tiles. A map done with Tiled is stored in a file [...]
Cabeça-de-Radar
7 December, 2009 - 6:40 pm
Tags: arte, cabeça de radar, CC-BY-SA, creative commons, homem cabeça de radar, Inkscape, SVG, vetorial
Posted in português | 3 comments
Acho que levei uma multa ontem. Eram duas da manhã, uma rua vazia. Vi um flash. Conferi hoje e vi aqui havia sim um radar lá. Fiz esse desenho pra expressar minha frustração. Código-fonte: cabeca_radar.svg
CEJUG Tech Day 2009
2 December, 2009 - 12:05 am
Tags: Caelum, cartaz, CEJUG, evento, Fanor, Fortes, poster, Sun, Sun Microsystems, Usix, Usix Technology
Posted in português | No comments
O Grupo de Usuários Java do Ceará estará realizando no próximo dia 04 de dezembro o CEJUG Tech Day na Fanor. Este ano, precisamente nos dias 8 e 9 de dezembro, a Sun Microsystems estará realizando a edição 2009-2010 do Sun Tech Days, em São Paulo. Provavelmente será o último STD realizado. Felizmente, teremos mais [...]
