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Add Bootstrap Glyphicon to Input Box

How can I add a glyphicon to a text type input box? For example I want to have 'icon-user' in a username input, something like this: ...
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Remove empty array elements

Some elements in my array are empty strings based on what the user has submitted. I need to remove those elements. I have this: ...
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Get first n characters of a string

How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed? ...
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Dictionary vs Object - which is more efficient and why?

What is more efficient in Python in terms of memory usage and CPU consumption - Dictionary or Object? 8 Answers ...
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How to determine whether a Pandas Column contains a particular value

I am trying to determine whether there is an entry in a Pandas column that has a particular value. I tried to do this with if x in df['id'] . I thought this was working, except when I fed it a value that I knew was not in the column 43 in df['id'] it still returned True . When I subset to a data...
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Get the index of the nth occurrence of a string?

Unless I am missing an obvious built-in method, what is the quickest way to get the n th occurrence of a string within a string? ...
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Get city name using geolocation

I managed to get the user's latitude and longitude using HTML-based geolocation. 11 Answers ...
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Simpler way to create dictionary of separate variables?

I would like to be able to get the name of a variable as a string but I don't know if Python has that much introspection capabilities. Something like: ...
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How to change column datatype from character to numeric in PostgreSQL 8.4

I am using following query: 3 Answers 3 ...
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How to Get a Layout Inflater Given a Context?

I am writing a custom implementation of a ListAdapter. 2 Answers 2 ...