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Check that Field Exists with MongoDB
So I'm attempting to find all records who have a field set and isn't null.
4 Answers
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How to use GNU Make on Windows?
I installed MinGW and MSYS, added C:\MinGW\bin to PATH but I still can't run Makefile on Windows' cmd . I would like to run cmd.exe and there type, for example, make all but my cmd says that there is no such command.
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How do I stop Notepad++ from showing autocomplete for all words in the file
I'm trying to use Notepad++ with the Progress programming language.
2 Answers
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jQuery equivalent of getting the context of a Canvas
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Try:
$("#canvas")[0].getContext('2d');
jQuery exposes the actual DOM element in numeric indexes, where you can perform normal JavaScript/DOM functions.
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Set default CRAN mirror permanent in R
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You can set repos in your .Rprofile to restore your choice every time you start R
Edit: to be more precise:
Add
options(repos=structure(c(CRAN="YOUR FAVORITE MIRROR")))
to your .Rprofile
Alternatively, you can set the ...
Google access token expiration time
...in an access_token from the Google API, it comes with an expires_in value. According to the documentation, this value indicates "The remaining lifetime of the access token".
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AngularJS ng-include does not include view unless passed in $scope
Is it wrong to assume that ngInclude can take a raw path? I keep trying to set my ngInclude as follows:
2 Answers
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Set markers for individual points on a line in Matplotlib
I have used Matplotlib to plot lines on a figure. Now I would now like to set the style, specifically the marker, for individual points on the line. How do I do this?
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How to trigger the onclick event of a marker on a Google Maps V3?
How do I trigger the onclick event of a marker on a Google Maps from outside the map?
2 Answers
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GROUP_CONCAT ORDER BY
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You can use ORDER BY inside the GROUP_CONCAT function in this way:
SELECT li.client_id, group_concat(li.percentage ORDER BY li.views ASC) AS views,
group_concat(li.percentage ORDER BY li.percentage ASC)
FROM li GROUP BY cli...