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What regular expression will match valid international phone numbers?
I need to determine whether a phone number is valid before attempting to dial it. The phone call can go anywhere in the world.
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What is Weak Head Normal Form?
What does Weak Head Normal Form (WHNF) mean? What does Head Normal form (HNF) and Normal Form (NF) mean?
6 Answers
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xpath find if node exists
Using a xpath query how do you find if a node (tag) exists at all?
6 Answers
6
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How to force vim to syntax-highlight a file as html?
How do I set vim's syntax highlighting to treat a file extension as an html file?
6 Answers
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How to replace an entire line in a text file by line number
I have a situation where I want a bash script to replace an entire line in a file.
The line number is always the same, so that can be a hard-coded variable.
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MySQL dump by query
Is it possible to do mysqldump by single SQL query ?
9 Answers
9
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Retrieve the position (X,Y) of an HTML element relative to the browser window
I want to know how to get the X and Y position of HTML elements such as img and div in JavaScript relative to the browser window.
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Find and replace in file and overwrite file doesn't work, it empties the file
I would like to run a find and replace on an HTML file through the command line.
13 Answers
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Android set height and width of Custom view programmatically
I have created a custom view named Graphview . Here is the structure for the GraphView class.
6 Answers
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How to extract one column of a csv file
If I have a csv file, is there a quick bash way to print out the contents of only any single column? It is safe to assume that each row has the same number of columns, but each column's content would have different length.
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