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How to Checkout Specific Commit in Git

Sometimes you may need to checkout specific commit in Git. Here are the steps to do it.

Sometimes you may need to take screenshot of div in HTML. Here is how to take screenshot of div in JavaScript.

System administrators want to make Ubuntu faster & improve overall performance. Here is how to improve Ubuntu speed & performance.

Sometimes you may need to display PDF in HTML. Here are the steps to embed PDF in HTML.

Sometimes you may need to combine multiple PDF files into single file. Here is is how to merge PDF files using Python.

Sometimes you may want to automate SSH login, or provide SSH password in shell script. Here are the steps to pass SSH password in shell script.

MySQL supports InnoDB and MyISAM. Here is how to change table engine from InnoDB to MyISAM.

Sometimes you may need to install multiple fonts in Ubuntu, install otf or ttf fonts. Here is how to install fonts in Ubuntu.

Often you may need to increment or decrement variables in shell script. Here is how to increment and decrement variables in shell script.

Sometimes you may need to get current directory of bash script in Linux. Here are the steps to do it.