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How to get distinct values from an array of objects in JavaScript?

Assuming I have the following: 46 Answers 46 ...
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what is Promotional and Feature graphic in Android Market/Play Store?

What does it mean and need whether we are uploading our app into the market? Please Explain or give me a related links. 7 A...
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Set transparent background using ImageMagick and commandline prompt

Suppose you have any image (PNG or JPG). This image has a white background and I need to make this background transparent. ...
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How to save an HTML5 Canvas as an image on a server?

I'm working on a generative art project where I would like to allow users to save the resulting images from an algorithm. The general idea is: ...
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Presenting a UIAlertController properly on an iPad using iOS 8

With iOS 8.0, Apple introduced UIAlertController to replace UIActionSheet . Unfortunately, Apple didn't add any information on how to present it. I found an entry about it on hayaGeek's blog, however, it doesn't seem to work on iPad. The view is totally misplaced: ...
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Creating an array of objects in Java

I am new to Java and for the time created an array of objects in Java. 8 Answers 8 ...
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SQL Server IIF vs CASE

I recently came to know about the availability of IIF function in SQL Server 2012. I always use nested CASE in my queries. I want to know the exact purpose of the IIF statement and when should we prefer using IIF over CASE Statement in the query. I mostly use nested CASE in my queries. ...
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Gitignore not working

My .gitignore file isn't working for some reason, and no amount of Googling has been able to fix it. Here is what I have: ...
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Database Design for Tagging

How would you design a database to support the following tagging features: 12 Answers ...
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Postgres: INSERT if does not exist already

I'm using Python to write to a postgres database: 17 Answers 17 ...