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Add unique constraint to combination of two columns
I have a table and, somehow, the same person got into my Person table twice. Right now, the primary key is just an autonumber but there are two other fields that exist that I want to force to be unique.
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LEFT JOIN vs. LEFT OUTER JOIN in SQL Server
... as well as copy the relevant pieces of the documentation into the answer, my vote goes to the second answer and that is why I write my answers the way I do. That someone claims X is not good. If you can prove X, that's better (not to slight sactiw's answer). But, its your prerogative to think whate...
Get top 1 row of each group
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I just posted the results of my timing tests against all of the proposed solutions and yours came out on top. Giving you an up vote :-)
– John Fairbanks
Mar 7 '15 at 15:00
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How do you view ALL text from an ntext or nvarchar(max) in SSMS?
... you using? I just tested it (followed the same exact steps I described in my answer) with my SSMS 2012 (version 11.0.5343.0) and it works
– Eric
Jan 15 '16 at 21:22
9
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Sorting a vector of custom objects
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A simple example using std::sort
struct MyStruct
{
int key;
std::string stringValue;
MyStruct(int k, const std::string& s) : key(k), stringValue(s) {}
};
struct less_than_key
{
inline bool operator() (const MyStruct& struct1, const MyStruc...
View inside ScrollView doesn't take all place
I have a RelativeLayout inside a ScrollView.
My RelativeLayout has android:layout_height="match_parent" but the view doesn't take the entire size, it's like a wrap_content.
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PHP abstract properties
...safe" methods to have in a constructor are private and/or final ones, isnt my workaround such a case? im using privates in it
– ulkas
Apr 16 '15 at 8:46
4
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The model used to open the store is incompatible with the one used to create the store
...h a solution does the trick, but thats that.. cant help.. nywaz, here goes my up vote.. the best i can do right now to appreciate your guidelines.. thanks a lot for the help mate.!!
– Apple_iOS0304
Oct 6 '12 at 15:20
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Enterprise Library Unity vs Other IoC Containers [closed]
...ne. I should note: some use attributes to help the IoC along.
So here is my assessment of the differences:
Ninject
Code initialization only (with attributes). I hope you like lambdas. Initialization code looks like this:
IKernel kernel = new StandardKernel(
new InlineModule(
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How to round a number to significant figures in Python
... from eddygeek while I was trying to solve the very same problem in one of my code. Now I realize that my solution is, obviously, almost identical to his (I just noticed the erroneous output and didn't bother to read the code, my mistake). Probably a short comment beneath his answer would have been ...