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Creating Unicode character from its number
... So you need to be absolutely sure ahead of time that your value of c is smaller than 0x10000, or else this approach will break horribly.
– David Given
Mar 13 '12 at 22:29
1
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Unique Constraint in Entity Framework Code First
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CreateIndex("TableName", new string[2] { "Column1", "Column2" }, true, "IX_UniqueColumn1AndColumn2");
Something like that:
namespace Sample.Migrations
{
using System;
using System.Data.Entity.Migrations;
public partial class TableName_SetUniqueCompositeIndex : DbMigration
{
...
This app won't run unless you update Google Play Services (via Bazaar)
...
UPDATE
The Google maps API v2 is now installed on the latest Google system images (api:19 ARM or x86).
So your application should just work with the new images. There is no need to install these files.
I've been trying to run an Android Google Maps V2 application u...
Convert.ChangeType() fails on Nullable Types
...a series of blog posts including this at http://www.endswithsaurus.com/2010_07_01_archive.html (Scroll down to the Addendum, @JohnMacintyre actually spotted the bug in my original code which led me down the same path you're on now). I have a couple of small modifications since that post that includ...
set date in input type date
...swered Nov 10 '12 at 14:30
int32_tint32_t
4,51511 gold badge1919 silver badges1616 bronze badges
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Test if string is a number in Ruby on Rails
...def is_number? string
true if Float(string) rescue false
end
And then call it like this:
my_string = '12.34'
is_number?( my_string )
# => true
Extend String Class.
If you want to be able to call is_number? directly on the string instead of passing it as a param to your helper function, t...
Basic HTTP authentication with Node and Express 4
...he bare minimum you need: (you don't even need to parse the credentials at all)
function (req, res) {
//btoa('yourlogin:yourpassword') -> "eW91cmxvZ2luOnlvdXJwYXNzd29yZA=="
//btoa('otherlogin:otherpassword') -> "b3RoZXJsb2dpbjpvdGhlcnBhc3N3b3Jk"
// Verify credentials
if ( req.headers.a...
How does std::move() transfer values into RValues?
...ch I cleaned up a little bit):
template <typename T>
typename remove_reference<T>::type&& move(T&& arg)
{
return static_cast<typename remove_reference<T>::type&&>(arg);
}
Let's start with the easier part - that is, when the function is called wi...
What is digest authentication?
...es with the username, realm, password and the URI request. The client runs all of those fields through an MD5 hashing method to produce a hash key.
It sends this hash key to the server along with the username and the realm to attempt to authenticate.
Server-side the same method is used to generate...
Performance optimization strategies of last resort [closed]
...erformance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
...