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Undo scaffolding in Rails
Is there any way to 'undo' the effects of a scaffold command in Rails?
24 Answers
24
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What is “overhead”?
I am a student in Computer Science and I am hearing the word "overhead" a lot when it comes to programs and sorts. What does this mean exactly?
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Using IoC for Unit Testing
...y of the object graph when you do your unit tests.
– Anderson Imes
Sep 23 '09 at 14:26
4
@Mark Se...
Elements order in a “for (… in …)” loop
...doesn't do it in order?
The object I wish to use will be declared once and will never be modified.
9 Answers
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How to check if a float value is a whole number
...ke into account that in Python 2, 1/3 is 0 (floor division for integer operands!), and that floating point arithmetic can be imprecise (a float is an approximation using binary fractions, not a precise real number). But adjusting your loop a little this gives:
>>> for n in range(12000, -1,...
How to pad zeroes to a string?
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Strings:
>>> n = '4'
>>> print(n.zfill(3))
004
And for numbers:
>>> n = 4
>>> print(f'{n:03}') # Preferred method, python >= 3.6
004
>>> print('%03d' % n)
004
>>> print(format(n, '03')) # python >= 2.6
004
>>> print('{0:...
Don't reload application when orientation changes
...mply need nothing to change when the screen is rotated. My app displays a random image when it first loads and rotating the device should not select another random image.
How can I (simply) make this behavior stop?
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Entity Framework is Too Slow. What are my options? [closed]
I have followed the "Don't Optimize Prematurely" mantra and coded up my WCF Service using Entity Framework.
13 Answers
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INotifyPropertyChanged vs. DependencyProperty in ViewModel
... use DependencyProperty for properties the View is going to bind against and I have seen the ViewModel implementing INotifyPropertyChanged instead.
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How to install Xcode Command Line Tools
How do I get the command-line build tools installed with the current Xcode/Mac OS X v10.8 (Mountain Lion) or later?
13 Answ...