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Regular expression for letters, numbers and - _
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The pattern you want is something like (see it on rubular.com):
^[a-zA-Z0-9_.-]*$
Explanation:
^ is the beginning of the line anchor
$ is the end of the line anchor
[...] is a character class definition
* is "zero-or-more" repetition
Note that ...
How to get sp_executesql result into a variable?
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If you have OUTPUT parameters you can do
DECLARE @retval int
DECLARE @sSQL nvarchar(500);
DECLARE @ParmDefinition nvarchar(500);
DECLARE @tablename nvarchar(50)
SELECT @tablename = N'products'
SELECT @sSQL = N'SELECT @retvalOUT = MAX(ID) ...
How to make a element expand or contract to its parent container?
The goal is to have the <svg> element expand to the size of its parent container, in this case a <div> , no matter how big or small that container may be.
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Deserialize JSON to ArrayList using Jackson
... JSON. I have configured a special MixIn class, MyPojoDeMixIn , to assist me with the deserialization. MyPojo has only int and String instance variables combined with proper getters and setters. MyPojoDeMixIn looks something like this:
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Notepad++ Multi editing
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@Wouter: It's still there for me in v6.2... if it isn't present in v5.2 then something else may be wrong, but I can't comment further.
– BoltClock♦
Feb 19 '13 at 9:21
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How to add number of days to today's date? [duplicate]
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You can use JavaScript, no jQuery required:
var someDate = new Date();
var numberOfDaysToAdd = 6;
someDate.setDate(someDate.getDate() + numberOfDaysToAdd);
Formatting to dd/mm/yyyy :
var dd = someDate.getDate();
var mm = someDate.getMonth() + 1;
var y = someDate.getFullY...
Getting the application's directory from a WPF application
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One method:
System.AppDomain.CurrentDomain.BaseDirectory
Another way to do it would be:
System.IO.Path.GetDirectoryName(System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName)
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Get day of week in SQL Server 2005/2008
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Use DATENAME or DATEPART:
SELECT DATENAME(dw,GETDATE()) -- Friday
SELECT DATEPART(dw,GETDATE()) -- 6
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SQL Server: SELECT only the rows with MAX(DATE)
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Thanks Mikael Eriksson, this is an awesome query!
– GEMI
Aug 19 '11 at 10:10
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MySQL: determine which database is selected?
...ysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected").
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