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Most efficient T-SQL way to pad a varchar on the left to a certain length?
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I know this was originally asked back in 2008, but there are some new functions that were introduced with SQL Server 2012. The FORMAT function simplifies padding left with zeros nicely. It will also perform the conversion for you:
declare @n as int = 2
select FOR...
Java Class.cast() vs. cast operator
Having being taught during my C++ days about evils of the C-style cast operator I was pleased at first to find that in Java 5 java.lang.Class had acquired a cast method.
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Why does flowing off the end of a non-void function without returning a value not produce a compiler
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C99 and C++ standards don't require functions to return a value. The missing return statement in a value-returning function will be defined (to return 0) only in the main function.
The rationale includes that checking if every code ...
How to present popover properly in iOS 8
... super.viewDidLoad()
self.preferredContentSize = CGSizeMake(200, 200)
self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .Done, target: self, action: "dismiss:")
}
func dismiss(sender: AnyObject) {
self.dismissViewControlle...
Virtual functions and performance - C++
... functions (and more) is Member Function Pointers and the Fastest Possible C++ Delegates.
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DirectX SDK (June 2010) Installation Problems: Error Code S1023
...ers\\AppData\Local\Temp) for the most recent file named
Microsoft Visual C++ 2010 x64 Redistributable Setup_20110608_xxx.html ##
and check if you have the following error
Installation Blockers:
A newer version of Microsoft Visual C++ 2010 Redistributable has been detected on the machine...
Polymorphism in C++
...int and double), finding and executing distinct type-appropriate code.
C++ mechanisms for polymorphism
Explicit programmer-specified polymorphism
You can write f() such that it can operate on multiple types in any of the following ways:
Preprocessing:
#define f(X) ((X) += 2)
// (note: in re...
Remove non-ascii character in string
... -------- ------- ------- -------------------
"%E2%80%8B" EC 80 8B U 200B ​ zero-width-space
"%E2%80%8E" EC 80 8E U 200E ‎ left-to-right-mark
"%E2%80%8F" EC 80 8F U 200F ‏ right-to-left-mark
Some references on those:
http://www.fileformat.info/info...
Why do you use typedef when declaring an enum in C++?
I haven't written any C++ in years and now I'm trying to get back into it. I then ran across this and thought about giving up:
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Setting an int to Infinity in C++
... That depends ont the implementation. There's no "Int64" in C++ (unless you count the stuff in C++11's cstdint).
– Etienne de Martel
Dec 31 '11 at 21:19
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