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Find rows with multiple duplicate fields with Active Record, Rails & Postgres

... Jeremie Ges 2,4451717 silver badges3232 bronze badges answered Feb 14 '14 at 2:08 newUserNameHerenewUserNameHere ...
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How to get and set the current web page scroll position?

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how to view the contents of a .pem certificate

... 143 Use the -printcert command like this: keytool -printcert -file certificate.pem ...
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Get Context in a Service

... 794 Service is a Context ...
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Format string, integer with leading zeros

... 249 Use the format string "img_%03d.jpg" to get decimal numbers with three digits and leading zeros...
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Negation in Python

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How to verify a user's password in Devise

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Precedence and bitmask operations

... answered Feb 23 '14 at 22:13 MatthewMatthew 44k1111 gold badges8080 silver badges9292 bronze badges ...
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How to merge a list of lists with same type of items to a single list of items?

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How to add item to the beginning of List?

... 744 Use the Insert method: ti.Insert(0, initialItem); ...