A note for myself on how to show line number in vi. Always need to edit my code in vi mode, but my vi doenst show line number by default. and i always look for the command to show line number in vi. This is very inefficient. So i decided to made this post to remind myself on how the command to show line number in vi editor.
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Being asked on how to copy a DVD in Mac OS X. FYI, Mac has a disk utility that able to copy DVD without using other DVD burning software. May be there are more steps to copy a DVD in Mac, but you dont need to pay a single cent to buy any DVD burning software!
Just find out, it’s so easy to merge pdf file in Mac OS X. With Preview, you can easily merge pdf file thru few mouse clicks. If you are looking for 3rd party software to merge the pdf files in Mac, i suggest you try this method before doing any purchase.
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