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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phone.
5 Answers
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What is the purpose of AsQueryable()?
...ust use AsQueryable on all enumerables to use them. This allows you to avoid writing two separate versions of very generalized helper methods.
It allows you to change the compile time type of a queryable to be an IQueryable, rather than some more derived type. In effect; you'd use it on an IQuerya...
font-style: italic vs oblique in CSS
...s... some fonts were meant not to be italicized or obliqued... but people did anyway. And as you may know, some operating systems will, upon clicking the 'italic' icon, skew the font and create an oblique on the fly. Not a pleasant sight.
It's best to specify an italic only when you're sure that fo...
Why doesn't the JVM cache JIT compiled code?
... Because it's probably not worth it. If neither SUN, IBM nor BEA considered it worthwhile for their performance JVMs, there's going to be a good reason for it. Maybe their RT optimisation is faster than Oracle's, which is why Oracle caches it.
– skaffman
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Why JSF saves the state of UI components on server?
.... Also, there is an open issue to include in JSF specs, an option to provide stateless mode for JSF.
(P.S. Consider voting for the issues this & this if this is a useful feature for you.)
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How does Bluebird's util.toFastProperties function make an object's properties “fast”?
...ination
}
Sans one or two small optimizations - all the below is still valid.
Let's first discuss what it does and why that's faster and then why it works.
What it does
The V8 engine uses two object representations:
Dictionary mode - in which object are stored as key - value maps as a hash map.
Fa...
Read text file into string array (and write)
... there is a bufio.Scanner API that can easily read lines from a file. Consider the following example from above, rewritten with Scanner:
package main
import (
"bufio"
"fmt"
"log"
"os"
)
// readLines reads a whole file into memory
// and returns a slice of its lines.
func readLine...
shared_ptr to an array : should it be used?
...a custom deleter.
template< typename T >
struct array_deleter
{
void operator ()( T const * p)
{
delete[] p;
}
};
Create the shared_ptr as follows:
std::shared_ptr<int> sp(new int[10], array_deleter<int>());
Now shared_ptr will correctly call delete[] when destroy...
JavaScript click event listener on class
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This works perfectly. Thank you. I actually didn't realise that jQuery did the looping. Great help Anudeep. Here's your working answer: jsfiddle.net/LWda3/2
– 30secondstosam
Oct 29 '13 at 10:33
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What does the exclamation mark mean in a Haskell declaration?
...nd what the exclamation mark in front of each argument means and my books didn't seem to mention it.
3 Answers
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