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Rails: How to get the model class name based on the controller class name?
...ntroller
def index
# Equivalent of @house_buyers = HouseBuyer.find(:all)
objects = controller_name.classify.constantize.find(:all)
instance_variable_set("@#{controller_name}", objects)
end
end
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How to open the Google Play Store directly from my Android application?
...lock here because an Exception will be thrown if the Play Store is not installed on the target device.
NOTE: any app can register as capable of handling the market://details?id=<appId> Uri, if you want to specifically target Google Play check the Berťák answer
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When is it acceptable to call GC.Collect?
The general advise is that you should not call GC.Collect from your code, but what are the exceptions to this rule?
24 An...
What is the difference between --save and --save-dev?
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This answer is frustratingly vague. Even a small example would go a long way to helping make this clearer.
– Choylton B. Higginbottom
Oct 31 '17 at 17:45
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Move branch pointer to different commit without checkout
...ointer of a not-checked out branch to point at a different commit (keeping all other stuff like tracked remote branch)?
10 ...
Rename a file in C#
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be really careful with this approach... if your destination directory and your source directory are the same, and the "newname" actually a case-sensitive version of "oldFileName", you will delete before you get a chance to move yo...
What is a bus error?
... when your processor cannot even attempt the memory access requested, typically:
using a processor instruction with an address that does not satisfy its alignment requirements.
Segmentation faults occur when accessing memory which does not belong to your process, they are very common and are typ...
Add comma to numbers every three digits
... @eladsilver w3schools.com/jsref/jsref_tolocalestring.asp in all browsers
– ricks
Oct 12 '18 at 20:49
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Sort Dictionary by keys
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this actually returns an array of [(String, [Int])] not a Dictionary
– scord
Feb 12 '16 at 16:27
4
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Should I always return IEnumerable instead of IList?
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It really depends on why you are using that specific interface.
For example, IList<T> has several methods that aren't present in IEnumerable<T>:
IndexOf(T item)
Insert(int index, T item)
RemoveAt(int index)
and Pr...