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Showing posts from November, 2016

Economics for Engineers

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Fixed cost A  fixed cost  is a  cost  that does not change with an increase or decrease in the amount of goods or services produced or sold.  Fixed costs  are expenses that have to be paid by a company, independent of any business activity. Examples Depreciation, Rent, Salary, Insurance, Tax etc. What is a 'Variable Cost' Variable costs  are those  costs  that vary depending on a company's production volume; they rise as production increases and fall as production decreases.  Examples  Material Consumed, Wages, Commission on Sales, Packing Expenses, etc. Difference Between Fixed Cost and Variable Cost Comparison Chart BASIS FOR COMPARISON FIXED COST VARIABLE COST Meaning The cost which remains same, regardless of the volume produced, is known as fixed cost. The cost which changes with the change in output is considered as a variable cost. Nature Time Related Volume Related Incurred when Fixed costs are definite, they are i

geany terminal at the bottom

 Geany, terminal at the base of the window. I have tried to change the terminal preferences, without success. any ideas? You need to install libvte -- but you don't need to install libvte-dev. This is only needed for compiling purpose This is because Ubuntu12 lacks  libvte.so , or at least the version Geany uses to emulate the terminal. Try this command sudo apt-get install libvte-dev

Installing Oracle JAVA JDK 8 on Ubuntu [Offline]

download jdk from here first http://www.oracle.com/technetwork/articles/javase/jdk-netbeans-jsp-142931.html Steps To Install JDK on Ubuntu or deepin os: Step 1: Copy the Downloaded Java into home directory . Step 2: Change the permission by clicking on properties . [change to Read, Write, Execute (777)]  Step 3: Now Open The Terminal and Paste this command Copy All Code tar -xvzf jdk-8u51-linux-x64.tar.gz    Press Enter.  Step 4:  Create jvm folder in /usr/lib by the following command . Copy All Code sudo mkdir /usr/lib/jvm   Step 5:  Move extracted jdk 8 folder to this location Copy All Code sudo mv jdk1.8.0 /usr/lib/jvm/jdk1.8.0   Step 6:  Install new java source in the system: Copy All Code sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.8.0/bin/javac 1 sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.8.0/bin/java 1 sudo update-alternatives --install /usr/bin/java

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JAVA questions and answers

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1. What do you mean by object oriented programming. Ans. Object -oriented programming is a programming concept where we first create an object then we define the characteristics or functions of an object in the form of data known as fields and methods. examples of OOP programming are java,c++,python,VB.net and ruby. simula was the first oop language. 2. Difference between  Abstraction  and  Encapsulation  :- Four important concepts or principles in Java are Data encapsulation Data abstraction Inheritance Polymorphism Abstraction Encapsulation 1. Abstraction solves the problem in the design level. 1. Encapsulation solves the problem in the implementation level. 2. Abstraction is used for hiding the unwanted data and giving relevant data. 2. Encapsulation means hiding the code and data into a single unit to protect the data from outside world. 3. Abstraction lets you focus on what the object does instead of how it does it 3. Encapsulati