I can be honest initially matrix, or any form of 2d problems seems very complicated for me usually. Trust me this question seems like ROCK CLIMB to me at first. After getting through explanation of how to tackle this question,IT SEEMS WAYYYYYYY easier than it actually looks. Leetcode Question explanation [`Write a program to solve a Sudoku puzzle by filling the empty cells. A sudoku solution mus..

Few days ago I spent almost 30min figuring out what on earth was wrong this event toggleClass,hasClass ,$(this). As the code seem to be fine. $(".s_nav_menu").on('click', ()=> { if( $(this).parent().next('div').hasClass('p_t_tap_inner')){ $(this).parent().toggleClass( "on" ); } }); after checking the debug tools, I realized the if statement returns false. This is not beca..

Suppose we create a table tbl_fas CREATE TABLE tbl_fas ( article INT UNSIGNED DEFAULT '0000' NOT NULL, dealer CHAR(20) DEFAULT '' NOT NULL, price DECIMAL(16,2) DEFAULT '0.00' NOT NULL, PRIMARY KEY(article, dealer));and we insert some data INSERT INTO tbl_fas VALUES (1,'A',3.45),(1,'B',3.99),(2,'A',10.99),(3,'B',1.45), (3,'C',1.69),(..

102-Binary-Tree-Level-Order-Traversal binary-tree-level-order-traversal A breakdown to my understanding of how to traverse a binary search tree level orderly. What is Call Stack? In most ubiquitous way of solving binary trees it is either traversing Inorder(Left Root, Right) preOrderly ((Root, Left, Right) ) and PostOrderly((Left, Right, Root). In this case we want to traverse in the level order..

Apache POI - the Java API for Microsoft Documents Read and write MS Excel files using Java read and write MS Word MS PowerPoint files using Java The Apache POI Project's mission is to create and maintain Java APIs for manipulating various file formats based upon the Office Open XML standards (OOXML) and Microsoft's OLE 2 Compound Document format (OLE2). Office Open XML standards (OOXML) Microsof..

Jquery Fancy Tree Jquery FancyTree is a Javascript tree view/tree grid plugin to display JSON objects in a folder structure representing parent and child entities in a form of folders(file structure). An example of data that can be present in this form can be shown as [ {"title": "Books", "expanded": true, "folder": true, "children": [ {"title": "Art of War", "type": "book", "author": "Sun Tzu",..

This is a continuation from docker processes and docker volumes Build own images This allows us to build our own images. The most common commands used in Dockerfiles is shown in the image below All single command to build a Dockerfile can be found on this page Docker file reference We month volume into the container.We are able to view the website before. When we build custom image we dont need ..

From previous post we ended at Naming Containers Using docker assigns a random name when we do not specify a name. example is when we created nginx  The way we give docker a name is by using --name [customName] >docker run -p 8088:80 -p 8888:80 --name customNginx -d nginx:latest ![](https://raw.githubuserconten..

You can download the docker engine for your specific OS from the dockerDocs Also, you can download a docker image from the dockerhub.Search for an image you want to use. Select the appropriate tag for your image(default of images is latest). https://hub.docker.com/ An example of an image could be nginx. the command docker pull nginx gets you the image with the latest tag. The output of this imag..

This arguement is the same as the largest Rectangle in a histogram. " Benjamin Franklin Young Man’s Best Companion, in which Franklin wrote, "Remember that time is money."[1]" This questions is simple requesting us to find the largest area in histogram with continues heights. arr = [8, 2, 6, 9, 7, 2] consider his arrays as the heights of the histogram: > if we traverse from left to right ->>> in..