Inspired by the Japanese art of kirigami, an MIT team has designed a technique that could transform flat panels into medical devices, habitats, and other objects without the use of tools.

Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way to convert from a long to a String in Java is to add the long to an empty set of ...

As far as scientists at NASA's Jet Propulsion Laboratory (JPL) know, there are not yet yarn factories on Mars. So, the image of what looks like a small Martian tumbleweed had some social media users ...

HessianProtocolException: expected map/object at java.lang.String #3934 Closed keji94 opened on Apr 25, 2019 ...

In this little article, we will see how to get the string representation(tostring) of an object cautiously, that means avoiding NullPointerException. Getting the ...

According to the JSON specification, a JSON value may be null. However, JSONObject.put(String, Object) doesn't store this. It is therefore not possible to make a distinction between the object not ...

If you are fortunate enough to be using JDK 7, the newly available Objects class is the obvious (at least to me) choice for implementing the “common” Java object ...