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Add a column to existing table and uniquely number them on MS SQL Server
...ey.
UPDATE MyTable
SET MyTable.MyNewColumn = AutoTable.AutoNum
FROM
(
SELECT MyPrimaryKey,
ROW_NUMBER() OVER (ORDER BY SomeColumn, SomeOtherColumn) AS AutoNum
FROM MyTable
) AutoTable
WHERE MyTable.MyPrimaryKey = AutoTable.MyPrimaryKey
This works in SQL Sever 2005 and later, i.e. ...
Multiline Comment Workarounds?
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You can do this easily in RStudio:
select the code and click CTR+SHIFT+C
to comment/uncomment code.
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Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 wit
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This should be the selected answer.
– El Guapo
Oct 2 '16 at 23:38
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Ignore mapping one property with Automapper
...estination> map,
Expression<Func<TDestination, object>> selector)
{
map.ForMember(selector, config => config.Ignore());
return map;
}
It can be used like so:
Mapper.CreateMap<JsonRecord, DatabaseRecord>()
.Ignore(record => record.Field)
.Igno...
Adding command line options to CMake
...building a large library using CMake, and I would like users to be able to selectively enable/disable certain parts of my build process.
...
How to use pull to refresh in Swift?
...ring(string: "Pull to refresh")
refreshControl.addTarget(self, action: #selector(self.refresh(_:)), for: .valueChanged)
tableView.addSubview(refreshControl) // not required when using UITableViewController
}
@objc func refresh(_ sender: AnyObject) {
// Code to refresh table view
}
At s...
Extreme wait-time when taking a SQL Server database offline
...s statistic update)
To find connections, use sys.sysprocesses
USE master
SELECT * FROM sys.sysprocesses WHERE dbid = DB_ID('MyDB')
To force disconnections, use ROLLBACK IMMEDIATE
USE master
ALTER DATABASE MyDB SET SINGLE_USER WITH ROLLBACK IMMEDIATE
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How to get names of enum entries?
...erated as follows:
var color: colors = colors.red;
console.log("The color selected is " + colors[color]);
It also creates a nice way to convert a string to an enumerated value.
var colorName: string = "green";
var color: colors = colors.red;
if (colorName in colors) color = colors[colorName];
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Find document with array that contains a specific value
...
This should be the selected answer. If you are dealing with querying an array of nested documents in MongoDB, this is how you do it. Not sure if it is the most efficient but if that's all you're trying to do, this is all you need.
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How can I scroll a web page using selenium webdriver in python?
...break
last_height = new_height
another method (thanks to Juanse) is, select an object and
label.sendKeys(Keys.PAGE_DOWN);
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