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Finding the source code for built-in Python functions?
...t file a particular module or function is implemented in you can usually print the __file__ attribute. Alternatively, you may use the inspect module, see the section Retrieving Source Code in the documentation of inspect.
For built-in classes and methods this is not so straightforward since inspect...
Load a WPF BitmapImage from a System.Drawing.Bitmap
....NET 3.0+) that do the conversion. :)
/// <summary>
/// Converts a <see cref="System.Drawing.Image"/> into a WPF <see cref="BitmapSource"/>.
/// </summary>
/// <param name="source">The source image.</param>
/// <returns>A BitmapSourc...
How to remove all leading zeroes in a string
... @NabeelKhan That would not answer the question, which does not ask to convert the string to an integer. See the comments on Svisstack's answer for why this is not such a great solution.
– lonesomeday
Apr 18 '16 at 8:15
...
Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ummary: Dell R710, 2 x Xeon E5520 2.27GHz, 23.5GB / 24GB 1333MHz
System: Dell PowerEdge R710 (Dell 0VWN1R)
Processors: 2 x Xeon E5520 2.27GHz 5860MHz FSB (16 cores)
Memory: 23.5GB / 24GB 1333MHz == 6 x 4GB, 12 x empty
Disk-Control: megaraid_sas0: Dell/LSILogi...
ASP.NET Identity's default Password Hasher - How does it work and is it secure?
...t, 1, 0x10);
Buffer.BlockCopy(buffer2, 0, dst, 0x11, 0x20);
return Convert.ToBase64String(dst);
}
Verifying:
public static bool VerifyHashedPassword(string hashedPassword, string password)
{
byte[] buffer4;
if (hashedPassword == null)
{
return false;
}
if (pass...
What do Clustered and Non clustered index actually mean?
...tered index.
With a non clustered index there is a second list that has pointers to the physical rows. You can have many non clustered indices, although each new index will increase the time it takes to write new records.
It is generally faster to read from a clustered index if you want to get ba...
Spring MVC: How to return image in @ResponseBody?
...ing annotation. Example below works for me out of box. No need of register converter or anything else if you have web mvc enabled (@EnableWebMvc).
@ResponseBody
@RequestMapping(value = "/photo2", method = RequestMethod.GET, produces = MediaType.IMAGE_JPEG_VALUE)
public byte[] testphoto() throws IOE...
What is compiler, linker, loader?
...statements.
Conditional statements.
Macros
The purpose of the unit is to convert the C source file into Pure C code file.
C compilation :
There are Six steps in the unit :
1) Lexical Analyzer:
It combines characters in the source file, to form a "TOKEN". A
token is a set of characters that do...
How can I generate random alphanumeric strings?
...r (int i = 0; i < size; i++)
{
var rnd = BitConverter.ToUInt32(data, i * 4);
var idx = rnd % chars.Length;
result.Append(chars[idx]);
}
return result.ToString();
}
public static string GetUnique...
Find region from within an EC2 instance
...
ec2-metadata --availability-zone | sed 's/.$//'
For debian based systems, the command is without dash.
ec2metadata --availability-zone | sed 's/.$//'
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