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    • Doubly Linked List

      Doubly Linked List

      In a doubly linked list, also called a two-way list, each node is divided into three parts: The first part, called the previous pointer field, contains the address of the preceding element in the list. The second part contains the information of the list. The third part, called the next pointer field, contains the address

    • Disassembler

      Disassembler

      A disassembler is a software that is able to convert an executable language into an assembly language, allowing users to view the individual commands that make a program work. A disassembler is ideal for programming applications because it can be useful when a programmer is attempting to create a similar program to one he/she already

    • Deleting an Element from a Heap

      Deleting an Element from a Heap

      Deleting an Element from the Heap Deletion always occurs at the root of the heap. If we delete the root element it creates a hole or vacant space at the root position. Because the heap must be complete, we fill the hole with the last element of the heap. Although the heap becomes complete, i.e.

    • cannot resolve symbol

      cannot resolve symbol

      “cannot resolve symbol” means that the Java compiler cannot locate a symbol referenced in your Java source code. The causes for this common error include: A missing class file A faulty CLASSPATH A symbol name is mispelled or miscapitalized A data type is incorrect, misspelled, or miscapitalized A method is called with the wrong number

    • What is PLC Programming?

      What is PLC Programming?

      PLC (Programmable Logic Controller) programming allows a computer to automate mechanical or electrical processes for machinery, lighting, or assembly line control actions. Over the past two decades, PLC programming has been used in a number of industries. The PLC’s design allows it to take multiple inputs and provide various outputs. A PLC device is also

    • Type Conversion – Class to Basic Type

      Type Conversion – Class to Basic Type

      The constructor handles the task of converting basic types to class types very well. But you cannot use constructors for converting class types to basic data types. Instead, you can define an overloaded casting operator that can be used to convert a class data type into a basic data type. The general form of an

    • Change TextBox Width with JQuery on Focus and Blur

      Let’s see how can we change the width of any HTML TextBox using JQuery on occurrence of following 2 actions: Focus and Blur. Focus is when you click anywhere inside a TextBox and Blur is when a TextBox isn’t active or focused. Prerequisite: JQuery Library should already be included in the page. Consider we have

    • JNI (Java Native Interface)

      JNI (Java Native Interface)

      The JNI (Java Native Interface) is a layer of Java that permits code executing or running in the JVM (Java Virtual Machine) to invoke and to be called by native libraries and applications written in other languages. The JNI is most commonly used with the C++, C, and Assembly programming languages. Typically, code developers will

    • Java Decompiler

      Java Decompiler

      A Java decompiler is a special type of decompiler which takes a class file as input and produces Java source code as output. De-compilation is exactly the reverse process of compilation. However, decompilation will never produce an exact replica of the source code but does give back a major percentage. This is because quite a bit

    • Traversing and Searching a Linear Linked List

      Traversing and Searching a Linear Linked List

      Traversing a list A linear list can be traversed in two ways In order traversal Reverse order traversal In order Traversal To traverse the linear linked list, we walk the list using the pointers, and process each element until we reach the last element. .cf { font-family: Lucida Console; font-size: 9pt; color: black; background: white;

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