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class
...). Usually, this is used to define class/module ("static") methods:
class String
class << self
def value_of obj
obj.to_s
end
end
end
String.value_of 42 # => "42"
This can also be written as a shorthand:
class String
def self.value_of obj
obj.to_s
end
end
O...
Can I store images in MySQL [duplicate]
...@AnthonyRutledge Yes. The overhead of database storage doesn't provide any extra options with regard to security. Access control is easily handled by the web server, file system permissions, placing files outside the web server path, etc.
– George Cummins
Apr 1...
Detect if a page has a vertical scrollbar?
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lol yeah I was debating whether or not to make the extra effort to write it because in many cases it's not needed.
– Andy E
Jan 27 '10 at 13:08
1
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C# List to string with delimiter
Is there a function in C# to quickly convert some collection to string and separate values with delimiter?
2 Answers
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What is a Python equivalent of PHP's var_dump()? [duplicate]
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what about showing the type of var? like Null/None, String, Object..
– holms
Apr 25 '12 at 12:42
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What is the difference between const int*, const int * const, and int const *?
... but not the value that you point to. Most often this is seen with C-style strings where you have a pointer to a const char. You may change which string you point to but you can't change the content of these strings. This is important when the string itself is in the data segment of a program and sh...
Picking a random element from a set
...0% boost in speed, but YMMV. (Also, this compiles without having to add an extra return statement.)
Note that this code (and most other answers) can be applied to any Collection, not just Set. In generic method form:
public static <E> E choice(Collection<? extends E> coll, Random rand)...
Difference between margin and padding?
...
Remember these 3 points:
The Margin is the extra space around the control.
The Padding is extra space inside the control.
The Padding of an outer control is the Margin of an inner control.
Demo Image:(where red box is desire control)
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urlencode vs rawurlencode?
...f I want to create a URL using a variable I have two choices to encode the string. urlencode() and rawurlencode() .
11 A...
AES Encryption for an NSString on the iPhone
Can anybody point me in the right direction to be able to encrypt a string, returning another string with the encrypted data? (I've been trying with AES256 encryption.) I want to write a method which takes two NSString instances, one being the message to encrypt and the other being a 'passcode' to e...