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How can I tell if a DOM element is visible in the current viewport?
Is there an efficient way to tell if a DOM element (in an HTML document) is currently visible (appears in the viewport )?
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What guarantees are there on the run-time complexity (Big-O) of LINQ methods?
I've recently started using LINQ quite a bit, and I haven't really seen any mention of run-time complexity for any of the LINQ methods. Obviously, there are many factors at play here, so let's restrict the discussion to the plain IEnumerable LINQ-to-Objects provider. Further, let's assume that any...
Grouped LIMIT in PostgreSQL: show the first N rows for each group?
I need to take the first N rows for each group, ordered by custom column.
5 Answers
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How to pass event as argument to an inline event handler in JavaScript?
There are some similar questions have been asked.
3 Answers
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Create thumbnail image
I want to display thumbnail image in a gridview from file location. How to generate that of .jpeg file?
I am using C# language with asp.net .
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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
I'm using a transaction model to keep track all the events going through the system
2 Answers
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
Is it possible for the same exact Mongo ObjectId to be generated for a document in two different collections? I realize that it's definitely very unlikely, but is it possible?
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How to quit android application programmatically
I Found some codes for quit an Android application programatically. By calling any one of the following code in onDestroy() will it quit application entirely?
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How to get the home directory in Python?
I need to get the location of the home directory of the current logged-on user. Currently, I've been using the following on Linux:
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How to get the Android device's primary e-mail address
How do you get the Android's primary e-mail address (or a list of e-mail addresses)?
12 Answers
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