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Check if table exists and if it doesn't exist, create it in SQL Server 2008
...riting a Stored procedure in SQL Server 2008.
I need to check if a table exists in the database. If it doesn't then I need to create it.
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static allocation in java - heap, stack and permanent generation
...l of the points and comment on them. I came to know that memory allocation is JVM specific, so I must say beforehand, that my question is Sun specific.
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How can I get the MAC and the IP address of a connected client in PHP?
... to know the MAC and the IP address of the connect clients, how can I do this in PHP?
16 Answers
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How do I deep copy a DateTime object?
...three years from now. I'd like to create two separate datetimes, one which is parsed from a string and one with three years added to it. Currently I've hacked it up like this:
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SQL Server - where is “sys.functions”?
...andy and I use them all the time.
I'm not sure what Microsoft's rationale is for not including a sys.functions equivalent in SQL Server 2005 (or SQL Server 2008, as far as I can tell), but it's easy enough to roll your own:
CREATE VIEW my_sys_functions_equivalent
AS
SELECT *
FROM sys.objects
WHERE...
What does -> mean in Python function definitions?
... which allow you to attach a metadata string to various types of object. This is amazingly handy, so Python 3 extends the feature by allowing you to attach metadata to functions describing their parameters and return values.
There's no preconceived use case, but the PEP suggests several. One very h...
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
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Note: For MySQL 5.7+ please see answer from @Lahiru to this question. That contains more current information.
For MySQL < 5.7:
The default root password is blank (i.e. empty string) not root. So you can just login as:
mysql -u root
You should obviously change your root pas...
Git alias with positional parameters
...
The most obvious way is to use a shell function:
[alias]
files = "!f() { git diff --name-status \"$1^\" \"$1\"; }; f"
An alias without ! is treated as a Git command; e.g. commit-all = commit -a.
With the !, it's run as its own command in...
Typing Enter/Return key using Python and Selenium?
... . I need to know how to do that with the Selenium type command as there is no button to click.
29 Answers
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How do I update my bare repo?
I created a bare repo to publish my repository, but I can't figure out how to update the bare repo with the current state of the main repository.
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