What is Electron and why use Electron? Electron is a framework for creating native applications with web technologies like JavaScript, HTML, and CSS. It takes care of the hard parts so you can focus on the core of your application. If you can build a website, you can build a desktop app. Electron is an … [Read more…]
Download and install- Visual Studio Code from https://code.visualstudio.com/ this is a much lighter version of Visual Studio. You will need this tool as your code editor. Download nodejs from https://nodejs.org/en/ then install it. Create a folder and then write cd at the command prompt and drag and drop the folder after cd and then press … [Read more…]
I have tried numerous times to install Ubuntu and Windows Server, both 64 bit OS in my Oracle VM VirtualBox however I always had, “This 64-bit application couldn’t load because your PC doesn’t have a 64-bit processor” or “this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot” errors though … [Read more…]
1- Close SQL Server Management Studio. 2- Search for the SQL Server Configuration Manager program. 3-from the options on the left choose, SQL Server Services. 4- From the services on the right check if the SQL server Agent state is running or stopped, if it is stopped, right click and click Start. 5- If you … [Read more…]
I found this videos on YouTube and I found them worth posting on my site. 1- How to Read More; 2- How to Read Faster;
Problem-1 Given a string, return a string where for every char in the original, there are two chars. Example doubleChar(“The”) → “TThhee” doubleChar(“AAbb”) → “AAAAbbbb” doubleChar(“Hi-There”) → “HHii–TThheerree” Solution public String doubleChar(String str) { String result=””; for (int i=0;i<str.length();i++){ result+=str.substring(i,i+1)+str.substring(i,i+1); } return result; } Problem-2 Return the number of times that the string “hi” appears … [Read more…]
Problem-1 We want to make a row of bricks that is goal inches long. We have a number of small bricks (1 inch each) and big bricks (5 inches each). Return true if it is possible to make the goal by choosing from the given bricks. Example makeBricks(3, 1, 8) → true makeBricks(3, 1, 9) … [Read more…]
Problem-1 When squirrels get together for a party, they like to have cigars. A squirrel party is successful when the number of cigars is between 40 and 60, inclusive. Unless it is the weekend, in which case there is no upper bound on the number of cigars. Return true if the party with the given … [Read more…]
Problem-1 Given an array of ints, return true if 6 appears as either the first or last element in the array. The array will be length 1 or more. Example firstLast6({1, 2, 6}) → true firstLast6({6, 1, 2, 3}) → true firstLast6({13, 6, 1, 2, 3}) → false Solution public boolean firstLast6(int[] nums) { return(nums[0]==6 … [Read more…]
Problem-1 Given a string name, e.g. “Bob”, return a greeting of the form “Hello Bob!”. Example: helloName(“Bob”) → “Hello Bob!” helloName(“Alice”) → “Hello Alice!” helloName(“X”) → “Hello X!” Solution public String helloName(String name) { return “Hello”+” “+ name+”!”; } Problem-2 Given two strings, a and b, return the result of putting them together in the … [Read more…]