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Undo scaffolding in Rails
...migrations generated by the scaffold command, you have to perform a rollback first.
rake db:rollback
You can create scaffolding using:
rails generate scaffold MyFoo
(or similar), and you can destroy/undo it using
rails destroy scaffold MyFoo
That will delete all the files created by gener...
How do you change text to bold in Android?
...e(Typeface.BOLD);
Tv.setTypeface(boldTypeface);
Hope this helps you thank you.
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Are static fields open for garbage collection?
... responsible for loading this class) is itself collected for garbage.
Check out the JLS Section 12.7 Unloading of Classes and Interfaces
A class or interface may be unloaded
if and only if its defining class
loader may be reclaimed by the garbage
collector [...] Classes and interfaces
l...
How do I interactively unstage a particular hunk in git?
In git, if I have a couple of hunks from the same file staged in my index, how can I interactively unstage one of them?
3 A...
Which UUID version to use?
...n 1 or version 4.
Version 1: This generates a unique ID based on a network card MAC address and a timer. These IDs are easy to predict (given one, I might be able to guess another one) and can be traced back to your network card. It's not recommended to create these.
Version 4: These are generated...
How to parse a CSV file using PHP [duplicate]
...quotes in CSV. Specifically, it can't deal with this example as found in wikipedia: en.wikipedia.org/wiki/Comma-separated_values#Example there has been an open bug, but it has been closed as "wont fix" bugs.php.net/bug.php?id=50686
– amenthes
Sep 7 '15 at 21:30...
What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
I know that the >= operator means more than or equal to, but I've seen => in some source code. What's the meaning of that operator?
...
What does '
...
BalusCBalusC
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C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
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First, you have to learn to think like a Language Lawyer.
The C++ specification does not make reference to any particular compiler, operating system, or CPU. It makes reference to an abstract machine that is a generalization of actual systems. In the Lan...
How to use SQL Order By statement to sort results case insensitive?
..., SQLite doesn't seem to consider A=a during sorting, thus I get results like this:
3 Answers
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