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What are the dark corners of Vim your mom never told you about? [closed]
...en copy it back again.
You obviously have to be on a system with sudo installed and have sudo rights.
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How do you discover model attributes in Rails?
... am finding it difficult to easily see what attributes/properties exist on all of my model classes since they are not explicitly defined in my class files.
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Change Image of ImageView programmatically in Android
When I change the image programmatically, it shows new image on top of the old image which is set originally in layout file?
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String.Empty versus “” [duplicate]
...implies, there difference
between String.Empty and “” are pretty
small, but there is a difference. “”
actually creates an object, it will
likely be pulled out of the string
intern pool, but still… while
String.Empty creates no object… so if
you are really looking for ultim...
What are free monads?
...r monad, and the second one gives you a way to "get out" of it.
More generally, if X is a Y with some extra stuff P, then a "free X" is a a way of getting from a Y to an X without gaining anything extra.
Examples: a monoid (X) is a set (Y) with extra structure (P) that basically says it has an ope...
What is the difference between Θ(n) and O(n)?
...e of the algorithm as n gets larger is at most proportional to g(n).
Normally, even when people talk about O(g(n)) they actually mean Θ(g(n)) but technically, there is a difference.
More technically:
O(n) represents upper bound. Θ(n) means tight bound.
Ω(n) represents lower bound.
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How do I search within an array of hashes by hash values in ruby?
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You're looking for Enumerable#select (also called find_all):
@fathers.select {|father| father["age"] > 35 }
# => [ { "age" => 40, "father" => "Bob" },
# { "age" => 50, "father" => "Batman" } ]
Per the documentation, it "returns an array contai...
Java switch statement multiple cases
...ure why a responder said it was not possible. This is fine, and I do this all the time:
switch (variable)
{
case 5:
case 6:
etc.
case 100:
doSomething();
break;
}
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Pythonic way to print list items
I would like to know if there is a better way to print all objects in a Python list than this :
11 Answers
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JavaScript Chart Library
Would anyone recommend a particular JavaScript charting library - specifically one that doesn't use flash at all?
29 Answer...