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How to position text over an image in css

How do I center a text over an image in css? 7 Answers 7 ...
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How to create a backup of a single table in a postgres database?

Is there a way to create a backup of a single table within a database using postgres? And how? Does this also work with the pg_dump command? ...
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Correct way to detach from a container without stopping it

In Docker 1.1.2 (latest), what's the correct way to detach from a container without stopping it? 10 Answers ...
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?

I'd like to save an NSMutableDictionary object in NSUserDefaults . The key type in NSMutableDictionary is NSString , the value type is NSArray , which contains a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding . ...
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Insert picture/table in R Markdown [closed]

So I want to insert a table AND a picture into R Markdown. In regular word document I can just easily insert a table (5 rows by 2 columns), and for the picture just copy and paste. ...
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Does SVG support embedding of bitmap images?

Is an SVG image purely vectorial or can we combine bitmap images into an SVG image ? How about transforms applied on the bitmap images (perspective, mappings, etc.) ? ...
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What is the use of the @ symbol in PHP?

I have seen uses of @ in front of certain functions, like the following: 11 Answers ...
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What is Data Transfer Object?

...application to another. DTOs are most commonly used by the Services layer in an N-Tier application to transfer data between itself and the UI layer. The main benefit here is that it reduces the amount of data that needs to be sent across the wire in distributed applications. They also make great mo...
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Programmatically select text in a contenteditable HTML element?

In JavaScript, it's possible to programmatically select text in an input or textarea element. You can focus an input with ipt.focus() , and then select its contents with ipt.select() . You can even select a specific range with ipt.setSelectionRange(from,to) . ...
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Which Java Collection should I use?

In this question How can I efficiently select a Standard Library container in C++11? is a handy flow chart to use when choosing C++ collections. ...