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How to use a variable to specify column name in ggplot

... on the value if the name is not found. This is actually what happens with select, but not with group_by ... It's possible to hack around it but not obvious. If it's important to you I think it would deserve its own question. – Moody_Mudskipper Aug 20 '19 at 23...
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Random row from Linq to Sql

...ere row.IsActive // your filter orderby ctx.Random() select row).FirstOrDefault(); Note that this is only suitable for small-to-mid-size tables; for huge tables, it will have a performance impact at the server, and it will be more efficient to find the number of rows (Count),...
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What is Scala's yield?

...in F# would be [ for a in args -> a.toUpperCase ] or from a in args select a.toUpperCase in Linq. Ruby's yield has a different effect. share | improve this answer | ...
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What's a Good Javascript Time Picker? [closed]

... resources: TimeDatePicker (jQuery Plugin) jQuery.timepickr jQuery.ptTimeSelect Time Picker Fancy Time Picker NoGray Time Picker share | improve this answer | follow ...
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The import android.support cannot be resolved

...Libraries tab. There click the Add External JARs Button on the Right pane. Select the android-support-v4.jar file, usually the path for the Jar file is : YOUR_DRIVE\android-sdks\extras\android\support\v4\android-support-v4.jar After adding android-support-v4.jar Library, navigate to the Order and E...
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Webstorm: “Cannot Resolve Directory”

...t directory as a Resource. To do this, go to Settings > Directories and select your asset root folder from the right-hand panel. Then mark it as Resource Root by clicking the button above the file browser. From the Jetbrains documentation, a Resource Root enables WebStorm to complete relative pa...
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Distinct by property of class with LINQ [duplicate]

...p: List<Car> distinct = cars .GroupBy(car => car.CarCode) .Select(g => g.First()) .ToList(); share | improve this answer | follow | ...
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Build fat static library (device + simulator) using Xcode and SDK 4+

... else OTHER_SDK_TO_BUILD=iphonesimulator${SDK_VERSION} fi echo "XCode has selected SDK: ${PLATFORM_NAME} with version: ${SDK_VERSION} (although back-targetting: ${IPHONEOS_DEPLOYMENT_TARGET})" echo "...therefore, OTHER_SDK_TO_BUILD = ${OTHER_SDK_TO_BUILD}" # #####################[ end of part 1 ]##...
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What is the difference between Left, Right, Outer and Inner Joins?

...ow you begin your query impacts the outcome of the join type. For example, SELECT * FROM students RIGHT OUTER JOIN lockers... would result in a different outcome than SELECT * FROM lockers RIGHT OUTER JOIN students.... Great answer, but would love to see it updated with complete SQL queries ...
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UltiSnips and YouCompleteMe

... " make YCM compatible with UltiSnips (using supertab) let g:ycm_key_list_select_completion = ['<C-n>', '<Down>'] let g:ycm_key_list_previous_completion = ['<C-p>', '<Up>'] let g:SuperTabDefaultCompletionType = '<C-n>' " better key bindings for UltiSnipsExpandTrigger ...