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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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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
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
... <0x0C> and <0xFF>
Consecutive token delimiters are treated as one - there are no empty tokens between token delimiters
There are no token delimiters within a quoted string. The entire quoted string is always treated as part of a single token. A single token may consist of a combination ...
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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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
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MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
... @Pacerier Such as? The only problem I see is a portability one (which, in many contexts doesn't really matter); am I missing something?
– Mark Amery
Jan 29 '13 at 13:56
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How to get unique device hardware id in Android? [duplicate]
...he unique device ID in Android which cannot be changed when performing a phone reset or OS update?
3 Answers
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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 ...