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Check if a table exists in Rails

... 304 In Rails 5 the API became explicit regarding tables/views, collectively data sources. # Table...
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What's the difference between io.sockets.emit and broadcast?

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.NET HttpClient. How to POST string value?

... 437 using System; using System.Collections.Generic; using System.Net.Http; class Program { sta...
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How can I have two fixed width columns with one flexible column in the center?

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View inside ScrollView doesn't take all place

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How do I convert a string to a lower case representation?

... answered May 2 '12 at 10:03 AurAAurA 11.2k77 gold badges4545 silver badges6161 bronze badges ...
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Do I need a content-type header for HTTP GET requests?

... According to the RFC 7231 section 3.1.5.5: A sender that generates a message containing a payload body SHOULD generate a Content-Type header field in that message unless the intended media type of the enclosed representation is unknown to the s...
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How to find out which view is focused?

... 113 Call getCurrentFocus() on the Activity. ...
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How to select an element inside “this” in jQuery?

... $( this ).find( 'li.target' ).css("border", "3px double red"); or $( this ).children( 'li.target' ).css("border", "3px double red"); Use children for immediate descendants, or find for deeper elements. ...
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Convert NSURL to local file path

... 223 Use the -[NSURL path] method: NSLog(@"%@", myUrl.path); From the documentation: The path ...