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mongodb group values by multiple fields
For example, I have these documents:
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What are the “must have” jQuery plugins? [closed]
I'd like to know what are the most useful JQuery plugins. I'm particularly interested in those which are likely to be useful in general UI development, such as Tablesorter , rather than those which serve uncommon needs.
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WPF Command Line
I am trying to create a WPF application that takes command line arguments. If no arguments are given, the main window should pop up. In cases of some specific command line arguments, code should be run with no GUI and exit when finished. Any suggestions on how this should properly be done would be a...
Does Internet Explorer support pushState and replaceState?
Does anybody know if Internet Explorer supports the history.pushState() and history.replaceState() methods for manipulating browser history ? Considering these are just being implemented in Firefox 4, I'm not holding my breath, but does anybody know if they're coming in IE9?
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Call to getLayoutInflater() in places not in activity
What does need to be imported or how can I call the Layout inflater in places other than activity?
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View's SELECT contains a subquery in the FROM clause
I have two tables and I need to create a view. The tables are:
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Git: Ignore tracked files
I have some tracked files in a repository which are automatically modified when building the code. I don't want to untrack them, I just don't want them to appear as modified and I don't want them to be staged when I git add.
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RuntimeWarning: invalid value encountered in divide
I have to make a program using Euler's method for the "ball in a spring" model
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How do I undo “Scope to this” in Visual Studio 2012?
In the Solution Explorer, I clicked on "Scope to this" to display only a part of the solution. Now I can't find how to get back to normal view.
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What is the difference between a WCF Service Application and a WCF Service Library?
I am developing a WCF web service and I used the WCF Service Application template to do that.
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