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Unpivot with column name
I have a table StudentMarks with columns Name, Maths, Science, English .
Data is like
4 Answers
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How do you manage databases in development, test, and production?
...and have your CI server run those scripts on the database. Have a version table to keep track of the current database version, and only execute the scripts if they are for a newer version.
Use a migration solution. These solutions vary by language, but for .NET I use Migrator.NET. This allows you...
SQL Server 2008: how do I grant privileges to a username?
I need to be able to establish an ODBC connection through SQL Server authentication.
3 Answers
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Filter data.frame rows by a logical condition
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we can use data.table library
library(data.table)
expr <- data.table(expr)
expr[cell_type == "hesc"]
expr[cell_type %in% c("hesc","fibroblast")]
or filter using %like% operator for pattern matching
expr[cell_type %like% "hesc...
How to return only the Date from a SQL Server DateTime datatype
...PU time taken to perform all the pieces. If both queries are run against a table with millions of rows, the CPU time using DateDiff can be close to 1/3rd of the Convert CPU time!
To see execution plans for queries:
set showplan_text on
GO
Both DATEADD and DATEDIFF will execute a CONVERT_IMPLICI...
How can I horizontally align my divs?
... align just one div horizontally you could do this:
#MyDIV
{
display: table;
margin: 0 auto;
}
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Markdown `native` text alignment
...ky but if you're using GFM or some other MD syntax which supports building tables with pipes you can use the column alignment features:
|| <!-- empty table header -->
|:--:| <!-- table header/body separator with center formatting -->
| I'm centered! | <!-- cell gets column's alignmen...
How to align a div to the top of its parent but keeping its inline-block behaviour?
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Or you could just add some content to the div and use inline-table
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How to get these two divs side-by-side?
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I still think display: table-cell will get results closer to what he means (since then they will have the same height etcetera) but this way will certainly work.
– ehdv
Mar 22 '11 at 6:09
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How to resize superview to fit all subviews with autolayout?
...ork as long as your constraints are correct. If you want to use it on a UITableViewCell (to determine row height for example) then you should call it against your cell contentView and grab the height.
Further considerations exist if you have one or more UILabel's in your view that are multiline....