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How to Reset or Revert File to Specific Commit in Git

Sometimes you may need to reset or revert file to specific commit in Git. Here are the steps to do so.

Sometimes you may need to find & restore deleted file in Git repository. Here are the steps to do it.

Sometimes you may need to set default editor for Git. Here is how to set vim default editor for Git.

Sometimes you may need to use variable as key in JavaScript object. Here is how to do it.

Often you may need to format number as currency string on websites. Here is how to do it using JavaScript.

Sometimes you may need to access iframe content on your web page. Here are the steps to access iframe content with JavaScript.

Sometimes you may need to convert form data to JSON. Here are the steps to do it in HTML5 pages using JavaScript.

Sometimes you may need to check if a DOM element is visible after scrolling in JavaScript. Here are the steps to do it.

Sometimes you may need to use variable in regex in JavaScript. Here are the steps to do it in JavaScript.

Sometimes you may need to use variable in regex. Here are the steps to do it in Python using string concatenation.