No, we are not talking about delicious double-chocolate cookies. Although I’ve really missed the fabulous Incus Data cookies during lockdown. As you know, cookies are small text files. They are usually created by the web server, but are saved and managed by your browser. Cookies can be harmless or incredibly
Occasionally during development, your program may crash with an OutOfMemoryError. What happened and how do you prevent it?
The Java compiler can warn you of potential problems. Should you suppress warnings? Some useful information on types of warnings and using the @SuppressWarnings annotation.
I believe in code re-use. You believe in code re-use. No-one wants to re-invent the wheel, especially not if there is a really great, aero-dynamic, ultra-fast wheel available. That’s why we use libraries and components. But those libraries and components are not written by super-humans. They are written by people
Higher-order functions are functions that either accept other functions as arguments, or return a function as a result. Let’s look at how Java 8 supports higher-order functions.
I hope that you already know that users hate meaningless error messages. (Actually they hate all error messages – don’t we all!) So that’s one reason to not allow default messages to display in your web application. But there is another important reason: security!
I mentioned before that I am writing an online course on ethics for software engineers (which is now open for pre-enrolment!) During my research for this course, I found an interesting – and scary – statistic.
The standard functional interfaces in Java can look daunting. There are 43 of them! And they have complex and confusing names. This article will help you interpret the names and purpose of these standard functional interfaces.
In a previous post, I told you about the importance of using HTTPS instead of HTTP. Today I will look at some of the functionality that HTTPS adds in the form of security headers.
Is it easy to learn to program? If you google this, the results will be very confusing. The truth is that it is not easy – but you should still do it. You just need to be prepared.
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