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How do I create multiple submit buttons for the same form in Rails?
...you will receive params[:a_button] or params[:b_button] depending on which one was pressed.
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Developing cross platform mobile application [closed]
...ey care how many platforms the app can run on when they they don't use but one platform. They just care if the app does what they need it to on the hardware they need to run it on. Unless they have a specific need to run the app on many different platforms, the fact that it does brings them no val...
How can I copy the content of a branch to a new local branch?
...his just creating the new branch but cannot able to copy the contents from one branch to another branch. When i try this commands it just showing "The branch named **** already exist".
– anoop
Sep 27 '13 at 14:45
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How to convert NSNumber to NSString
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//An example of implementation :
// we set the score of one player to a value
[Game getCurrent].scorePlayer1 = [NSNumber numberWithInteger:1];
// We copy the value in a NSNumber
NSNumber *aNumber = [Game getCurrent].scorePlayer1;
// Conversion of the NSNumber aNumber to a String w...
Spring Test & Security: How to mock authentication?
...st if my the URLs of my controllers are properly secured. Just in case someone changes things around and accidentally removes security settings.
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Undefined, unspecified and implementation-defined behavior
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Undefined behavior is one of those aspects of the C and C++ language that can be surprising to programmers coming from other languages (other languages try to hide it better). Basically, it is possible to write C++ programs that do not behave in ...
FFMPEG (libx264) “height not divisible by 2”
... pad rather than scale, to add a black row/column. Scaling an image up by one pixel will blur it.
– Glenn Maynard
Nov 14 '15 at 22:20
5
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Creating a new dictionary in Python
... Is there any difference between dict() and {}? Or do people just prefer one over the other?
– Matt
Mar 2 '12 at 17:13
53
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Templated check for the existence of a class member function?
...E test
template <typename T>
class has_helloworld
{
typedef char one;
struct two { char x[2]; };
template <typename C> static one test( decltype(&C::helloworld) ) ;
template <typename C> static two test(...);
public:
enum { value = sizeof(test<T>...
Should URL be case sensitive?
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W3 guideline is reasonable. It simply states that one shouldn't make an assumption on how the server handles the URL you are submitting. It is up to the server how to handle the request URL. Most of web servers are unix/linux and that means most of web servers are case sensi...