object is an instance of a class. Consider a class animal.Then its object could be dog,cat, etc. You canNOT tell an animal to BARK, but you can tell a Dog to bark.Similarly, in java, you cannot call a method(here,bark is a method) without creating an object(This can be done wit...
For instance, an application written in Java can easily send JSON data to a Python application. Or a mobile app written in JavaScript can use JSON to communicate with a back-end server written in PHP. Why? Because both systems can parse and generate JSON. Beyond web development, JSON is ...
1. You cannot usethiskeyword inside a static method in Java. Sincethisis associated with the current instance, it's not allowed in static context because no instance exist that time. Trying to usethisvariable inside static context e.g. static block or method is compile time error in Java....
you need to be very clear as there are different ways to represent a date (for instance, in Europe, a date is typically represented as day, month, and then year, but in North America, the order is month, day, year). Not being explicit can result in data quality issues and/or APIs...
in the same line, the Python interpreter creates a new object, then references the second variable at the same time. If you do it on separate lines, it doesn't "know" that there's already "wtf!" as an object (because "wtf!" is not implicitly interned as per the facts mentioned abov...
Marital status: Knowing a user is married can offer unique promotional opportunities. For instance, during the holiday season, you can send them a series of emails suggesting "recommended gifts for your spouse." Location data: Geo-specific promotions or events can be incredibly compelling. A user...
Greater than operators are used in many programming languages such as C, C++, Java, JavaScript, PHP, Python, and Visual Basic. For instance, in the Java language, a greater than sign is used to compare numeric values (e.g., 8 > 5), while in the JavaScript language, it is used to ...
Running code that is written on the JVM (in Java or Scala) is one of the cases where this sort of issue is particularly frequent and can get extremely hairy. Fortunately, there’s a very convenient tool which handles this problem in an amazingly flexible manner for Scala code:the SBT ...
Researchers conduct their study by interviewing the samples. Once this is done, data is collected and analyzed. As noted above, cluster sampling can save time and money. But, there are certain disadvantages to using this type of sampling. For instance, researchers may be biased when they choose...
Monetization seems to go hand-in-hand with contemporarycapitalism. The process of monetizing is very important to a business or other entity's growth as it is key to its strategic planning. Indeed, finding novel ways to turn otherwise neutral or costly business operations into profit centers is ...