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Shortcut to Apply a Formula to an Entire Column in Excel [closed]

If I select a cell containing a formula, I know I can drag the little box in the right-hand corner downwards to apply the formula to more cells of the column. Unfortunately, I need to do this for 300,000 rows! ...
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Set selected index of an Android RadioGroup

Is there a way to set the selected index of a RadioGroup in android, other than looping through the child radiobuttons and selecting checking the radio button at the selected index? ...
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How do I select elements of an array given condition?

... x = [5, 2, 3, 1, 4, 5] , y = ['f', 'o', 'o', 'b', 'a', 'r'] . I want to select the elements in y corresponding to elements in x that are greater than 1 and less than 5. ...
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How to get number of rows using SqlDataReader in C#

...reading all rows (and then you might as well store them) run a specialized SELECT COUNT(*) query beforehand. Going twice through the DataReader loop is really expensive, you would have to re-execute the query. And (thanks to Pete OHanlon) the second option is only concurrency-safe when you use a ...
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How to see indexes for a database or table in MySQL?

...pecific schema you can use the STATISTICS table from INFORMATION_SCHEMA: SELECT DISTINCT TABLE_NAME, INDEX_NAME FROM INFORMATION_SCHEMA.STATISTICS WHERE TABLE_SCHEMA = 'your_schema'; Removing the where clause will show you all indexes in all schemas. ...
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How to get Last record from Sqlite?

... Try this: SELECT * FROM TABLE WHERE ID = (SELECT MAX(ID) FROM TABLE); OR you can also used following solution: SELECT * FROM tablename ORDER BY column DESC LIMIT 1; ...
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How can I find non-ASCII characters in MySQL?

...ng as "ASCII", but I would suggest trying a variant of a query like this: SELECT * FROM tableName WHERE columnToCheck NOT REGEXP '[A-Za-z0-9]'; That query will return all rows where columnToCheck contains any non-alphanumeric characters. If you have other characters that are acceptable, add them ...
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jQuery to serialize only elements within a div

... Wouldn't $("#divId").find("select, textarea, input").serialize(); yeild better performance? I imagine the above could get slow if the div had lots of elements, like a table with several rows/columns. – David Murdoch ...
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What is causing this ActiveRecord::ReadOnlyRecord error?

...s automatically inferred only if :joins was specified without an explicit :select nor an explicit (or finder-scope-inherited) :readonly option (see the implementation of set_readonly_option! in active_record/base.rb for Rails 2.3.4, or the implementation of to_a in active_record/relation.rb and of c...
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“Unresolved inclusion” error with Eclipse CDT for C standard library headers

...lipse, you open the Properties of your project, expand "C/C++ General" and select "Paths and Symbols". Make sure you have added the include dir for each language you are using. (In my case, I needed to just add it to GNU C++.) ...