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How to select an element with 2 classes [duplicate]
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You can chain class selectors without a space between them:
.a.b {
color: #666;
}
Note that, if it matters to you, IE6 treats .a.b as .b, so in that browser both div.a.b and div.b will have gray text. See this answer for a comparison bet...
Split string, convert ToList() in one line
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var numbers = sNumbers.Split(',').Select(Int32.Parse).ToList();
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Cannot open database “test” requested by the login. The login failed. Login failed for user 'xyz\ASP
..., rather than not set up as a login.
To test if it's set up as a login
SELECT SUSER_ID('xyz\ASPNET') -- (**not** SUSER_SID)
If NULL
CREATE LOGIN [xyz\ASPNET] FROM WINDOWS
If not NULL
USE test
GO
SELECT USER_ID('xyz\ASPNET')
If NULL
USE test
GO
CREATE USER [xyz\ASPNET] FROM LOGIN [xyz\AS...
How to modify a pull request on GitHub to change target branch to merge into?
...e new pull request in their dashboard the next time they sign in.
If you select as a base branch the one that the original maintainer (the owner) wants, your PR should merge from your branch (unchanged) to the new base branch.
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How to join int[] to a character separated string in .NET?
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var ints = new int[] {1, 2, 3, 4, 5};
var result = string.Join(",", ints.Select(x => x.ToString()).ToArray());
Console.WriteLine(result); // prints "1,2,3,4,5"
EDIT: As of (at least) .NET 4.5,
var result = string.Join(",", ints.Select(x => x.ToString()).ToArray());
is equivalent to:
v...
Add 2 hours to current time in MySQL?
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SELECT *
FROM courses
WHERE DATE_ADD(NOW(), INTERVAL 2 HOUR) > start_time
See Date and Time Functions for other date/time manipulation.
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How to create a sequence of integers in C#?
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Linq projection with the rarely used indexer overload (i):
(new int[11]).Select((o,i) => i)
I prefer this method for its flexibilty.
For example, if I want evens:
(new int[11]).Select((item,i) => i*2)
Or if I want 5 minute increments of an hour:
(new int[12]).Select((item,i) => i*5...
Manually map column names with class properties
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This works fine:
var sql = @"select top 1 person_id PersonId, first_name FirstName, last_name LastName from Person";
using (var conn = ConnectionFactory.GetConnection())
{
var person = conn.Query<Person>(sql).ToList();
return person;
}
Da...
Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-cr
...ck Options, expand
Designers, and then click Table and Database Designers.
Select or clear the Prevent saving changes that require the table to be
re-created check box.
See Also
Colt Kwong Blog Entry:
Saving changes is not permitted in SQL 2008 Management Studio
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Python: Tuples/dictionaries as keys, select, sort
...d like to organize them in a data structure in Python that allows for easy selection and sorting. My idea was to put them into a dictionary with tuples as keys, e.g.,
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