Author Archives: Ray

How do you go about writing an app? In fact, what do you need before you being app development? Well, that’s where this article will help. I’ll provide you with 7 things you need before you start writing your Apple app. Even if you’ve never developed content for a mobile device, or if you’re new to software development, you should know that learning iPhone development can be a fun and rewarding experience.

A quick guide to using the Access database with your python scraps. The python language allows far more sophisticated data manipulation then VBA, but does not offer a built in Database. By combing Access and python enables you to quickly produce powerful data manipulation tools.

Do you think that Interfaces in Java inherit the members of the Object class? If NOT then how do you call many Object class methods on a reference of an interface type? Shouldn’t it be a compile-time error? Let’s try to understand what actually helps the compiler to know the signature of these Object class methods. And if you think your answer to the question is YES then how do you justify the fact that interfaces in Java don’t contain code, but only the signature. Does the rule changes in this case? Okay, so we have plenty of questions coming up irrespective of whether your answer is YES or NO. Let’s try to understand what internally happens.

It is quite cumbersome to create a web application and make it popular. But, there is yet another dimension that plays an important role in its success. Let’s check it out.

JAAS delivers a framework for providing a mechanism to verify the client and to ensure that the client has the permissions required to approach a secured resource for all the Java applications. The Security agency on the Server side uses the same authentication information to accomplish a JAAS login in to the server side.

Freezing the columns in excel is a fantastic utility, when working on wider spreadsheets. When you need to compare values across the columns, freezing will be very handy. Freezing the header will always be helpful if you are working in a large data set GridView is the best control to display a spreadsheet / tabular [...]

Working with a bit of code last week I stumbled into something unusual. I was working on something quite basic so kind of surprised when I came across a compilation error. GCC was telling me that I couldn’t access a protected member.

Sadly, Systems Analysts are still perceived as nothing more than glorified programmers, a misconception that hasn’t changed in many years. This means people still have trouble differentiating between systems and software, the two are certainly not synonymous, yet one is often used to implement the other.

Java 6.0 introduces many Application Programming Interfaces and there are many enhancements in existing classes especially in collection APIs. The summary of changes in collection framework is listed below.