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Override devise registrations controller
...hem first and devise will check your views folder before loading the views from the gem. In Rails 3 it's: rails generate devise:views and in Rails 2 (i think) it's: script/generate devise:views
– theTRON
Nov 11 '10 at 22:19
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What's the main difference between int.Parse() and Convert.ToInt32
...er in string format), you'd use Int32.Parse().
If you're collecting input from a user, you'd generally use Int32.TryParse(), since it allows you more fine-grained control over the situation when the user enters invalid input.
Convert.ToInt32() takes an object as its argument. (See Chris S's answe...
ApartmentState for dummies
...led Apartment threading, their interface methods can only safely be called from the same thread that created the instance. In other words, they announce "I don't support threading whatsoever, please take care of never calling me from the wrong thread". Even if the client code actually does call it...
static function in C
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Making a function static hides it from other translation units, which helps provide encapsulation.
helper_file.c
int f1(int); /* prototype */
static int f2(int); /* prototype */
int f1(int foo) {
return f2(foo); /* ok, f2 is in the same translat...
How to access command line parameters?
The Rust tutorial does not explain how to take parameters from the command line. fn main() is only shown with an empty parameter list in all examples.
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Why use pointers? [closed]
...either easy-enough. References are no silver bullet protecting an engineer from shooting himself in the foot. See it live.
– WhozCraig
Sep 9 '13 at 18:14
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How can I format a decimal to always show 2 decimal places?
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I suppose you're probably using the Decimal() objects from the decimal module? (If you need exactly two digits of precision beyond the decimal point with arbitrarily large numbers, you definitely should be, and that's what your question's title suggests...)
If so, the Decimal FA...
Get the real width and height of an image with JavaScript? (in Safari/Chrome)
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Use the naturalHeight and naturalWidth attributes from HTML5.
For example:
var h = document.querySelector('img').naturalHeight;
Works in IE9+, Chrome, Firefox, Safari and Opera (stats).
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JavaScript, Node.js: is Array.forEach asynchronous?
...s of work to do});
This would be non-blocking then. The example is taken from High Performance JavaScript.
Another option might be web workers.
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Overwrite or override
... used word is Override and it's not language-specific as you can also read from wikipedia: http://en.wikipedia.org/wiki/Method_overriding
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