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Reading binary file and looping over each byte
...ns of Python below 2.5. To use it in v 2.5 you'll need to import it:
from __future__ import with_statement
In 2.6 this is not needed.
Python 3
In Python 3, it's a bit different. We will no longer get raw characters from the stream in byte mode but byte objects, thus we need to alter the conditi...
Random strings in Python
...
Answer to the original question:
os.urandom(n)
Quote from: http://docs.python.org/2/library/os.html
Return a string of n random bytes suitable for cryptographic use.
This function returns random bytes from an OS-specific randomness
source. The returned data should be unpre...
How do I use reflection to invoke a private method?
...ccepts BindingFlags:
MethodInfo dynMethod = this.GetType().GetMethod("Draw_" + itemType,
BindingFlags.NonPublic | BindingFlags.Instance);
dynMethod.Invoke(this, new object[] { methodParams });
Here's the BindingFlags enumeration documentation.
...
How to enter a multi-line command
...l allow line continuation directly:
$x=1..5
$x[
0,3
] | % {
"Number: $_"
}
Similar to the | a comma will also work in some contexts:
1,
2
Keep in mind, though, similar to JavaScript's Automatic Semicolon Insertion, there are some things that are similarly broken because the line break occu...
How do I get jQuery to select elements with a . (period) in their ID?
...
add a comment
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25
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Hash and salt passwords in C#
...TextWithSaltBytes[plainText.Length + i] = salt[i];
}
return algorithm.ComputeHash(plainTextWithSaltBytes);
}
The salt generation is as the example in the question. You can convert text to byte arrays using Encoding.UTF8.GetBytes(string). If you must convert a hash to its string re...
How to convert an entire MySQL database characterset and collation to UTF-8?
...
Use the ALTER DATABASE and ALTER TABLE commands.
ALTER DATABASE databasename CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
ALTER TABLE tablename CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
Or if you're still on MySQL 5.5.2 or older which di...
How to write LaTeX in IPython Notebook?
...
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288
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Create space at the beginning of a UITextField
...urrent device is and create different padding based on that. stackoverflow.com/questions/4567728/…. Probably with something like this
– Haagenti
Mar 14 '16 at 11:48
...
How to iterate a loop with index and element in Swift
...100, height: 100)
button.addTarget(self, action: #selector(iterate(_:)), for: .touchUpInside)
view.addSubview(button)
}
@objc func iterate(_ sender: UIButton) {
let tuple = generator.next()
print(String(describing: tuple))
}
}
PlaygroundPage.current.liv...