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PostgreSQL create table if not exists
... @Boundless: I saw that your edit was rejected as "too minor". I applied it, because it won't hurt. However, you should execute the CREATE FUNCTION only once. It's SELECT create_mytable(); that you may want to call many times.
– Erwin Brandstetter
May...
Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?
...ment machine and not for your .net 4.0 users.
So if you are developing an application "targeting .net 4.0" and you have .net 4.5 installed then you are at risk. If you accidentally use a fixed bug, it will not break for you while debugging.
When you deploy your app to a machine running only .ne...
In .NET, which loop runs faster, 'for' or 'foreach'?
...insignificant? That kind of a performance difference might matter for your application, and it might not, but I wouldn't just dismiss it out of hand.
– Robert Harvey
Dec 23 '09 at 0:04
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What's the difference between Invoke() and BeginInvoke()
... mostly geared towards Delegate.BeginInvoke, I suspect.
For Windows Forms apps, I would suggest that you should usually use BeginInvoke. That way you don't need to worry about deadlock, for example - but you need to understand that the UI may not have been updated by the time you next look at it! I...
Where does git config --global get written to?
... said it's at %USERPROFILE%. On my computer HOMEDRIVE and HOMEPATH are remapped to a network drive. Searches on my local drive were coming up with nothing. So this helped a lot.
– Mike M. Lin
Aug 9 '11 at 18:11
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How to use multiple AWS Accounts from the command line?
I've got two different apps that I am hosting (well the second one is about to go up) on Amazon EC2.
7 Answers
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What is tail recursion?
... stack frame any more. This allows for some optimization. In fact, with an appropriately written compiler, you should never have a stack overflow snicker with a tail recursive call. Simply reuse the current stack frame for the next recursive step. I'm pretty sure Lisp does this.
...
What is global::?
...
What would happen if I has an auto-generated class with a class prefixed with the global namespace and the class was called Foo I had a class I had created which also was called Foo also with no namespace?
– Sachin ...
How to design a database for User Defined Fields?
...
referential
integrity is rarely out-performed by
trigger-based or application level
constraint enforcement.
Cons:
This could create a lot of tables.
Enforcing schema separation and/or a
naming convention would alleviate
this.
There is more application code
needed to operate the UDF ...
In STL maps, is it better to use map::insert than []?
...y << " with value " << value << endl;
}
For most of my apps, I usually don't care if I'm creating or replacing, so I use the easier to read map[key] = value.
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