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StringIO in Python3
I am using Python 3.2.1 and I can't import the StringIO module. I use
io.StringIO and it works, but I can't use it with numpy 's genfromtxt like this:
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SQL Server: Query fast, but slow from procedure
...outPS(@CustID varchar(20))
AS
BEGIN
DECLARE @LocCustID varchar(20)
SET @LocCustID = @CustID
SELECT *
FROM orders
WHERE customerid = @LocCustID
END
Hope this helps somebody else, doing this reduced my execution time from 5+ minutes to about 6-7 seconds.
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Check if two linked lists merge. If so, where?
... |
V
1-->2-->3-->4-->5
1) Go through the first list setting each next pointer to NULL.
Now you have:
A B C
1-->2-->3 4 5
2) Now go through the second list and wait until you see a NULL, that is your merge point.
If you can't be sure that they merge you can ...
How to read integer value from the standard input in Java
What class can I use for reading an integer variable in Java?
7 Answers
7
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How can I use optional parameters in a T-SQL stored procedure?
...trade-off between effort and results. In practice, there might be a common set of parameter combinations that can be targeted with bespoke queries, then a generic query (as per the other answers) for all other combinations.
CREATE PROCEDURE spDoSearch
@FirstName varchar(25) = null,
@LastNa...
Tracking CPU and Memory usage per process
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Right click Data Collector Sets->User Defined. Select New->Data Collector Set. Give it a name and select Create manually. Click Next. Select Performance counter. Click Next. Add the performance counters and enter the sample interval. Then under D...
What's the reason I can't create generic array types in Java?
What's the reason why Java doesn't allow us to do
17 Answers
17
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How come an array's address is equal to its value in C?
In the following bit of code, pointer values and pointer addresses differ as expected.
6 Answers
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Remove items from one list in another
... Just be careful when using Except as this actually performs a set operation, which distincts the resulting list. I was not expecting this behaviour as I am using a List, not a HashSet. Related.
– logan
Mar 2 '16 at 20:27
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Keyboard shortcuts in WPF
...his way to add keyboard shortcut to an existing event: RoutedCommand cmndSettings = new RoutedCommand(); cmndSettings.InputGestures.Add(new KeyGesture(Key.S, ModifierKeys.Control)); CommandBindings.Add(new CommandBinding(cmndSettings, mnuSettings_Click));
– itsho
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