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What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
...is states1:
You don’t have to qualify the namespace for functions if one or more argument types are defined in the namespace of the function.
A simple code example:
namespace MyNamespace
{
class MyClass {};
void doSomething(MyClass);
}
MyNamespace::MyClass obj; // global obje...
What is the point of the diamond operator () in Java 7?
...e treated the same as generic types. When you declare a raw type, you get none of the benefits and type checking of generics. You also have to keep in mind that generics are a general purpose part of the Java language... they don't just apply to the no-arg constructors of Collections!
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Can I add extension methods to an existing static class?
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@tap - it's only an example, and the first one that came to mind. The single responsibility principle comes into play, though. Should the "container" actually be responsible for interpreting itself from the configuration file? Normally I simply have ConfigurationSec...
Delete duplicate records in SQL Server?
... functions. It will order the dupes by empId, and delete all but the first one.
delete x from (
select *, rn=row_number() over (partition by EmployeeName order by empId)
from Employee
) x
where rn > 1;
Run it as a select to see what would be deleted:
select *
from (
select *, rn=row_nu...
How can I debug javascript on Android?
...lves Raphaeljs. Turns out, it doesn't work on Android. It does on the iPhone.
18 Answers
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How to parse a string into a nullable int
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one less line: return Int32.TryParse(s, out i) ? i : null;
– Chris Shouts
Oct 23 '09 at 13:31
2
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How to install a private NPM module without my own registry?
I've taken some shared code and put it in an NPM module, one I don't want to upload to the central registry. The question is, how do I install it from other projects?
...
Performance of FOR vs FOREACH in PHP
...he array, that's where you'll start seeing differences between them (since one will need to copy the entire array, and the reference can just modify inline)...
As for the iterators, foreach is equivalent to:
$it->rewind();
while ($it->valid()) {
$key = $it->key(); // If using the ...
How do I lowercase a string in Python?
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I have one note that doesn't necessarily apply to the OP's question, but which is important with portability (internationalization) when doing case insensitive matching. With case-insensitive matching, diacritics (accent marks) may ...
How to convert JSON to XML or XML to JSON?
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@StaxMan: I think everyone can agree that there's no standardized way to represent an XML document in JSON format. Your answer was probably downvoted because it didn't actually answer the question. The OP wasn't asking if he should do the conversio...