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Convert Decimal to Double
...'t necessary:
double trans = (double) trackBar1.Value / 5000.0;
Identifying the constant as 5000.0 (or as 5000d) is sufficient:
double trans = trackBar1.Value / 5000.0;
double trans = trackBar1.Value / 5000d;
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How do you use bcrypt for hashing passwords in PHP?
Every now and then I hear the advice "Use bcrypt for storing passwords in PHP, bcrypt rules".
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How do I grep for all non-ASCII characters?
I have several very large XML files and I'm trying to find the lines that contain non-ASCII characters. I've tried the following:
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Disable firefox same origin policy
I'm developing a local research tool that requires me to turn off Firefox's same origin policy (in terms of script access, I don't really care about cross domain requests).
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How to call erase with a reverse iterator
I am trying to do something like this:
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Difference between `data` and `newtype` in Haskell
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While data declares a brand new data structure at runtime.
So the key point here is that the construct for the newtype is guaranteed to be erased at compile time.
Examples:
data Book = Book Int Int
newtype Book = Book (Int, Int)
Note how it has exactly the same representation as a (I...
How to use php serialize() and unserialize()
...ructure cannot be transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you need to serialize it. That just means to put the structure into a "lower common denominator" that can be handled by thi...
Inherit from a generic base class, apply a constraint, and implement an interface in C#
This is a syntax question. I have a generic class which is inheriting from a generic base class and is applying a constraint to one of the type parameters. I also want the derived class to implement an interface. For the life of me, I cannot seem to figure out the correct syntax.
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Autocompletion in Vim
In a nutshell, I'm searching for a working autocompletion feature for the Vim editor. I've argued before that Vim completely replaces an IDE under Linux and while that's certainly true, it lacks one important feature: autocompletion.
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Generate a random letter in Python
Is there a way to generate random letters in Python (like random.randint but for letters)? The range functionality of random.randint would be nice but having a generator that just outputs a random letter would be better than nothing.
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