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Fastest way to determine if an integer's square root is an integer
...ise-and and shifts.)
int64 y = x;
y = (y & 4294967295LL) + (y >> 32);
y = (y & 65535) + (y >> 16);
y = (y & 255) + ((y >> 8) & 255) + (y >> 16);
// At this point, y is between 0 and 511. More code can reduce it farther.
To actually check if the residue is a...
How many characters can UTF-8 encode?
...
zwippiezwippie
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...
How do I enable MSDTC on SQL Server?
...K and That's all.
Reference : https://msdn.microsoft.com/en-us/library/dd327979.aspx
Note: Sometimes the network firewall on the Local Computer or the Server could interrupt your connection so make sure you create rules to "Allow Inbound" and "Allow Outbound" connection for C:\Windows\System32\m...
What is the optimal length for user password salt? [closed]
...n the aggregate won't speed up the search much on the whole database. Even 32-bit salts are acceptable for most purposes, it will in the worst case speed an attacker's search by about 58%. The cost of increasing salts beyond 64 bits isn't high but there is no security reason to do so.
There is some...
X-UA-Compatible is set to IE=edge, but it still doesn't stop Compatibility Mode
...
KyleMit
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answered Feb 18 '12 at 5:47
Tim FranklinTim Franklin
...
Python: Get relative path from comparing two absolute paths
...u can use PurePath.relative_to:
Python 3.5.1 (default, Jan 22 2016, 08:54:32)
>>> from pathlib import Path
>>> Path('/usr/var/log').relative_to('/usr/var/log/')
PosixPath('.')
>>> Path('/usr/var/log').relative_to('/usr/var/')
PosixPath('log')
>>> Path('/usr/va...
Best way to randomize an array with .NET
...viceProvider();
string[] MyRandomArray = MyArray.OrderBy(x => GetNextInt32(rnd)).ToArray();
...
static int GetNextInt32(RNGCryptoServiceProvider rnd)
{
byte[] randomInt = new byte[4];
rnd.GetBytes(randomInt);
return Convert.ToInt32(randomInt[0]);
}
...
Include another HTML file in a HTML file
...include]');
– jbyrd
Dec 8 '16 at 19:32
not working on chrome with local files "Cross origin requests are only supporte...
Which timestamp type should I choose in a PostgreSQL database?
...-aware dates are stored internally in UTC?
– user533832
Aug 4 '11 at 21:35
2
The point of the che...
Check for internet connection availability in Swift
... return false
}
let isReachable = (flags & UInt32(kSCNetworkFlagsReachable)) != 0
let needsConnection = (flags & UInt32(kSCNetworkFlagsConnectionRequired)) != 0
return isReachable && !needsConnection
}
}
For Swift > 3.0
public clas...