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mongodb group values by multiple fields

...urse the ability to interpolate the variable through $expr using $match to select the matching items in the "join", but the general premise is a "pipeline within a pipeline" where the inner content can be filtered by matches from the parent. Since they are both "pipelines" themselves we can $limit e...
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Call method in directive controller from other controller

...ad of calling success(msg) in the html you would call sucess(name, msg) to select the directive with the correct name. – lanoxx Dec 8 '14 at 14:42 5 ...
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What is the easiest way to ignore a JPA field during persistence?

...uted properties, so you annotate them with @Transient to exclude them from SELECT, INSERT, UPDATE, and DELETE SQL statements. So, for basic attributes, you need to use @Transient in order to exclude a given property from being persisted. For more details about computed entity attributes, ch...
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What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?

...var command = connection.CreateCommand()) { command.CommandText = "SELECT MyColumn1, MyColumn2 FROM MyTable"; using (var reader = command.ExecuteReader()) { while (reader.Read()) { ProcessData(reader.GetString(2)); // Throws! } } }...
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Cmake vs make sample codes?

... on your system configuration. Second, you perform the actual build in the selected build system. Sources and build instructions are available at https://github.com/rhoelzel/make_cmake. share | im...
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How can Xml Documentation for Web Api include documentation from beyond the main project?

...c. Add the following method below the constructor: private XPathNavigator SelectSingleNode(string selectExpression) { foreach (var navigator in _documentNavigators) { var propertyNode = navigator.SelectSingleNode(selectExpression); if (propertyNode != null) retur...
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Error in finding last used cell in Excel with VBA

...ad data? You will end up reaching the last row in the worksheet! It's like selecting cell A1 and then pressing End key and then pressing Down Arrow key. This will also give you unreliable results if there are blank cells in a range. CountA is also unreliable because it will give you incorrect resul...
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Unix tail equivalent command in Windows Powershell

...Wait only shows me new lines when I access a log file in some way (such as selecting it in Windows Explorer). Tail provides updates as new lines are written to my file. With -Wait, I can leave a PowerShell window open happily showing no new lines while the file is being written to. If I then pop ove...
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How to change fontFamily of TextView in Android

...ily in Android but I don't see any pre-defined fonts in Android. How do I select one of the pre-defined ones? I don't really need to define my own TypeFace but all I need is something different from what it shows right now. ...
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Eclipse ctrl+right does nothing

...sing Ctrl + Right to move to the next word and Ctrl + Shift + Right to select the next word. But on eclipse nothing happens, the cursor stays in the same place. ...