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Include all existing fields and add new fields to document

...ne a $project aggregation stage where I can instruct it to add a new field and include all existing fields, without having to list all the existing fields. ...
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C++ SFINAE examples?

I want to get into more template meta-programming. I know that SFINAE stands for "substitution failure is not an error." But can someone show me a good use for SFINAE? ...
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How to change UIPickerView height

... have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder. 27...
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What is the correct way to restore a deleted file from SVN?

I deleted a file from a repo and now want to put it back. The best I can figure out is to: 9 Answers ...
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Javascript add leading zeroes to date

...ers of the string. So no matter what, we can add "0" to the day or month, and just ask for the last two since those are always the two we want. So if the MyDate.getMonth() returns 9, it will be: ("0" + "9") // Giving us "09" so adding .slice(-2) on that gives us the last two characters which is...
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A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi

Eclipse is unable to open, have used eclipse before and has open before without a problem. Now I keep getting the following error message: ...
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Scatterplot with marginal histograms in ggplot2

...he sample below in ggplot2 ? In Matlab it is the scatterhist() function and there exist equivalents for R as well. However, I haven't seen it for ggplot2. ...
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1052: Column 'id' in field list is ambiguous

I have 2 tables. tbl_names and tbl_section which has both the id field in them. How do I go about selecting the id field, because I always get this error: ...
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Make copy of an array

...Let's say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like: ...
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Highlight a word with jQuery

...ipt-text-higlighting-jquery-plugin.html * * Code a little bit refactored and cleaned (in my humble opinion). * Most important changes: * - has an option to highlight only entire words (wordsOnly - false by default), * - has an option to be case sensitive (caseSensitive - false by default) * ...