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SQL Server SELECT LAST N Rows
...TITION Feature also. A great example can be found here:
I am using the Orders table of the Northwind database... Now let us retrieve the Last 5 orders placed by Employee 5:
SELECT ORDERID, CUSTOMERID, OrderDate
FROM
(
SELECT ROW_NUMBER() OVER (PARTITION BY EmployeeID ORDER BY OrderDate DESC...
How to install XNA game studio on Visual Studio 2012?
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Using LIMIT within GROUP BY to get N results per group?
...gregated function to get all years into a single column, grouped by id and ordered by rate:
SELECT id, GROUP_CONCAT(year ORDER BY rate DESC) grouped_year
FROM yourtable
GROUP BY id
Result:
-----------------------------------------------------------
| ID | GROUPED_YEAR ...
How to request a random row in SQL?
...rom that link):
Select a random row with MySQL:
SELECT column FROM table
ORDER BY RAND()
LIMIT 1
Select a random row with PostgreSQL:
SELECT column FROM table
ORDER BY RANDOM()
LIMIT 1
Select a random row with Microsoft SQL Server:
SELECT TOP 1 column FROM table
ORDER BY NEWID()
Select a r...
jQuery get mouse position within an element
...could click inside a div, then drag the mouse, then let up on the mouse in order to indicate how long they want something to be. (This is for a calendar control, so the user will be indicating the length, in time, of a certain event)
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How to store arbitrary data for some HTML tags
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Reminder: In order to retrieve the data, 1337, via jquery, be sure to remove 'data' from the variable name. For eg, use: $(this).data('internalid'); Instead of: $(this).data('data-internalid');
– Gideon Rosenthal
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Face recognition Library [closed]
...ir SDK. Their site allows you to easily get a price quote and you can also order an evaluation kit that will help you evaluate their technology.
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Python logging: use milliseconds in time format
...nstantiating a Formatter I usually set formatter.converter = gmtime. So in order for @unutbu's answer to work in this case you'll need:
class MyFormatter(logging.Formatter):
def formatTime(self, record, datefmt=None):
ct = self.converter(record.created)
if datefmt:
s...
StringFormat Localization issues in wpf
...m working on a proof-of-concept application where development speed is the order of the day, there is no time to mess around with dozens of code lines just to get a single DatePicker to do it's job, so this easy fix got me quickly back on track!
– M463
Jul 10 '...
Remove NA values from a vector
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