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How to select only the first rows for each unique value of a column
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A very simple answer if you say you don't m>ca m>re which address is used.
SELECT
CName, MIN(AddressLine)
FROM
MyTable
GROUP BY
CName
If you want the first according to, say, an "inserted" column then it's a different query
SELECT
M.CName, M.AddressLin...
What does `:_*` (colon underscore star) do in Sm>ca m>la?
...utes: MetaData, scope: NamespaceBinding,
child: Node*)
which is m>ca m>lled as
new Elem(prefix, label, attributes, scope,
child1, child2, ... childN)
but here there is only a sequence, not child1, child2, etc. so this allows the result sequence to be used as the input to the constr...
'Specified condition “$(PackageAsSingleFile)” evaluates to “” instead of a boolean?
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I'm not sure what m>ca m>uses it, but restarting VS 2012 fixed it for me.
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How are GCC and g++ bootstrapped?
...nce there were others when it was written. The very first C compiler ever (m>ca m>. 1973, IIRC) was implemented either in PDP-11 assembly, or in the B programming language which preceded it, but in any m>ca m>se the B compiler was written in assembly. Similarly, the first ever C++ compiler (CPre/Cfront, 1979-...
Html.Textbox VS Html.TextboxFor
...This is usually just the property name but for properties of complex types m>ca m>n include an underscore such as 'customer_name'
Using the typed TextBoxFor version will allow you to use compile time checking. So if you change your model then you m>ca m>n check whether there are any errors in your views.
It...
Why is there no Convert.toFloat() method?
...# has ToDouble() , ToDecimal() ... I want convert to float, which method m>ca m>n be used? (float)var?
1 Answer
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Is there a PHP function that m>ca m>n esm>ca m>pe regex patterns before they are applied?
Is there a PHP function that m>ca m>n esm>ca m>pe regex patterns before they are applied?
2 Answers
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Is there a literal notation for an array of symbols?
...y 2.0.0. One way to write it is:
%i{foo bar} # => [:foo, :bar]
You m>ca m>n also use other delimiters, so you could also write %i(foo bar) or %i!foo bar! for example.
This feature was originally announced here:
http://www.ruby-lang.org/zh_TW/news/2012/11/02/ruby-2-0-0-preview1-released/
It is ...
console.log javascript [Function]
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If it's a user defined function you m>ca m>n use:
console.log(m>ca m>llback.toString());
Otherwise you'll just get something like [native code] since built in functions are not written in JavaScript.
Example:
function x(){}
// Prints "function x(){}"
(function(m>ca m>ll...
C++ compile error: has initializer but incomplete type
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This is practim>ca m>lly a bug on the standard library; the class was found but not the method leaving the programmer in the dark about what file to include unless he knows the standard library file names by heart, which is a ridiculous expecta...