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Author: admin

  • Resources to learn COBOL

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    There are actually quite a number of courses and books to learn COBOL. Many of the courses are from overseas, because offshoring firms have been meeting the demand for COBOL for years. I bought and ran through this Udemy course, which is pretty good, and among several COBOL books on Kindle, I like Beginning COBOL for Programmers by…

  • Your first COBOL program

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    The source files are simple text files. Having a useful programming editor with language support is as convenient for COBOL as any other language, if not more so. The easiest thing for a beginner is to use Visual Studio Code, the only competitor for my affections since EMACS. There are surprisingly many VSCode extensions for COBOL.…

  • Why is COBOL still dominant?

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    Compared to common programming languages today, COBOL is different, and in some ways very limited: you can’t do dynamic memory allocation, you can’t easily access low-level features of the operating system or particular computer architecture. The most common forms of the language can’t use recursion. You’d never want to write a compiler in COBOL. A…

  • COBOL? What’s this COBOL?

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    COBOL stands for COmmon Business Oriented Language. One of the first of the high-level languages, it was put together by a group sponsored by the Department of Defense to develop a common business language. That group came to be called CODASYL—the Committee on Data Systems Languages—and defined a “common business oriented language,” drawing from Grace…

  • How can one create an alert in Bootstrap?

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    Create a wrapper <div> and add a class of .alert and one of the contextual classes to create a basic alert (e.g., .alert-success, .alert-info, .alert-warning, .alert-danger, .alert-primary, .alert-secondary, .alert-light or .alert-dark).

  • What contextual classes can be used to style the panels?

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    To make a panel more meaningful to a specific context, use contextual state classes like panel-primary, panel-success, panel-info, panel-warning, and panel-danger.

  • In Bootstrap, how do you make navigation elements?

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    The navigation elements in Bootstrap can be styled in a variety of ways. The markup and base class are the same in all of these .nav. To build tabular navigation or tabs, execute the following steps: Begin by creating an unordered list using the base class of .nav. The .nav-tabs class should be added.

  • In Bootstrap 4, what is flexbox?

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    Flexbox is a layout module for flexible boxes. Without using float or positioning, you can quickly create a flexible layout design with flexbox.

  • What is a lead?

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    Lead adds some emphasis to a paragraph. The .lead class is used to achieve this and it makes the font larger, taller, and lighter in weight.

  • In Bootstrap, what are the two codes for displaying code?

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    In Bootstrap, there are two straightforward ways to display code: