SEARCH KEYWORD -- XML
XML Abuse
It’s everywhere. XML Abuse. From Domain Specific Languages to Data Serialization, XML is the most commonly abused data format I’ve ever encountered. XML is perfectly fine for (because it was designed for this): First of all: XML was designed to be written by humans and read by humans. Nearly all generated XML I’ve seen sucks badly. I think this is because XML cannot efficiently represent common data structures found in programming languages.XML is good...
XML,Abuse,Alternative,Serialization,Data storage 2011-12-14 07:12:10
How to draw pentagram in HTML5 canvas
I wrote simple function to this magical symbol I like so much: 123456789101112131415161718192021222324252627282930<!doctype html><html><body> <canvas id="c" width="500" height="500"></canvas> <script> var ctx = (document.getElementById("c")).getContext("2d"); // draws rotated pentagram with or without cirlefunction pentagram( ctx, x, y, radius, rotate, circle ){ ctx.beginPath();&nbs...
Create animated refresh button in Android
In Android, we can have drawings on a button, also we can put animated drawings on a button as well. Today we will show how to create an animated refresh button with an animated spinner on it. We need to create an animated drawing first. Here we name it as progress.xml and put it in the res/drawable folder: <?xml version="1.0" encoding="utf-8"?><animation-list xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/spin_refresh" android:oneshot="fal...
Animation,Spinner,Refresh button,Android 2012-11-02 11:51:41
Canonicalize XML in Java
XML canonicalization is often used when there is need to create digital signature to be sent to peers for verification. Since digital signature is created based on XML data, the XML data has to be canonicalized before its signature value can be calculated. Even an extra space may affect the signature value calculated, hence it must follow some rules to canonicalize the XML data so that it has a standard format. This is why W3C created specification Canonical XML Version 1.1. This specificat...
JAVA,XML,JAVA SECURITY 2016-01-20 01:39:45
A Hello, World Servlet
Servlets are the pure Java solution to handle web requests. Many application will use servlets instead of JSP and others will use servlets in conjunction with JSP. Experienced JSP programmers use servlets in conjunction with JSP to create clearer and simpler applications. The servlets handle Java processing: form handing, calculation and database queries. JSP formats the results. Servlets belong in WEB-INF/classes. On this machine, the source is in Java source in /var/www/hosts/www.caucho.com/we...
Execute PHP from a .html File
How can I execute PHP code on my existing myfile.html page?:When a web page is accessed, the server checks the extension to know how to handle the page. Generally speaking if it sees a .htm or .html file, it sends it right to the browser because it doesn't have anything to process on the server. If it sees a .php extension (or .shtml, or .asp, etc), it knows that it needs to execute the appropriate code before passing it along to the browser. Here is the problem: You find the perfect ...
PHP,HTML,PHP in HTML,AddType 2011-12-26 14:01:20
Differences among Enter,F5 and Ctrl+F5 in webpage refresh
When we press Enter, F5 or Ctrl+F5 to refresh a webpage, is there any difference among them? Actually it's yes, we can find the difference from the request header and response header information. There are two cases about pressing Enter in the address bar. First if the page requested is cached and not expired in the browser, we can find the header information sent by the browser is : Host 192.168.3.174:8080 User-Agent Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Accept ...
Android create button tutorial
This tutorial assumes that you already have an activity and are using an XML layout. Open the layout XML and add the button element. Assign an ID with the “@+id” operator. The + tells Android to generate an ID for this element so that you can reference it in your Java files. This is an example. Your layout and text elements will probably be very different. In this example case, the ID of the button is “close”. <Button android:id="@+id/close" android:lay...
Are frameworks making developers dumb?
Last week I got to take interviews to hire senior java developers with around 5 years of experience. But after the interview process is over I felt like the frameworks makes developers life easier but at the same time making them dumb.Everyone puts almost all the new frameworks on their resume claiming they have "Strong, working experience on Spring, Hibernate, Web Services etc".Here is how the interviews went on.Me: You have used Spring in your latest project. What are the advant...
Framework,Importance,Disadvantage,Easy 2011-09-06 08:10:08
Add compiler argument to build Maven project
Maven is a software project to manage a project's build, reporting and documentation from a central piece of information. It's now widely used t build and deploy projects. It can help automatically maintain the dependencies of projects. There is a central project configuration file named pom.xml. Here you can configure the project you want to build. In this post, we will show you how to add compiler argument when using javac to compile Java source code. Sometimes we need to pass compi...
Maven,compiler argument, compiler option, Java 8 2015-04-10 21:59:00
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