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How do I get a distinct, ordered list of names from a DataTable using LINQ?

...tainable, you can also split it up into multiple LINQ statements. First, select your data into a new list, let's call it x1, do a projection if desired Next, create a distinct list, from x1 into x2, using whatever distinction you require Finally, create an ordered list, from x2 into x3, sorting by...
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Remove rows with all or some NAs (missing values) in data.frame

...na.omit is nicer for just removing all NA's. complete.cases allows partial selection by including only certain columns of the dataframe: > final[complete.cases(final[ , 5:6]),] gene hsap mmul mmus rnor cfam 2 ENSG00000199674 0 2 2 2 2 4 ENSG00000207604 0 NA NA ...
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How to manually include external aar package using new Gradle Android Build System

... Right click on your project and select "Open Module Settings". Click the "+" button in the top left corner of window to add a new module. Select "Import .JAR or .AAR Package" and click the "Next" button. Find the AAR file using the ellipsis b...
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Access restriction: The type 'Application' is not API (restriction on required library rt.jar)

...s restrictions. Go to the properties of your Java project, i.e. by selecting "Properties" from the context menu of the project in the "Package Explorer". Go to "Java Build Path", tab "Libraries". Expand the library entry select "Access rules", "Edit..." and "Add..." a "Resolution: Ac...
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GroupBy pandas DataFrame and select most common value

.... To clean the data I have to group by data frame by first two columns and select most common value of the third column for each combination. ...
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Using Chrome, how to find to which events are bound to an element

...e Event you need From the handler property, right click over function and select 'Show function definition' You will now see the Event binding code Click on the 'Pretty print' button for a more readable view of the code sh...
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using facebook sdk in Android studio

... what you want). Open project structure by Ctrl + Shift + Alt + S and then select dependencies tab. Click on + button and select Module Dependency. In the new window pop up select :facebook. You should be good to go. Instructions for older Android Studio and older Facebook SDK This applies to A...
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A circular reference was detected while serializing an object of type 'SubSonic.Schema .DatabaseColu

... I think maybe selecting the ones I want may work I think the circular reference is because in Event I have IQueryable<Category> which in turn will have a IQueryable<Event> – Jon Jul 20 '09...
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Max return value if empty query

...oeSize = Workers.Where(x => x.CompanyId == 8) .Select(x => x.ShoeSize) .DefaultIfEmpty(0) .Max(); The zero in DefaultIfEmpty is not necessary. ...
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How to output MySQL query results in CSV format?

...ech-recipes.com/rx/1475/save-mysql-query-results-into-a-text-or-csv-file/ SELECT order_id,product_name,qty FROM orders WHERE foo = 'bar' INTO OUTFILE '/var/lib/mysql-files/orders.csv' FIELDS TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED BY '\n'; Using this command columns names will not be e...