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How to check if a Ruby object is a Boolean
...String".boolean?
=> false
>> 1.boolean?
=> false
>> Time.now.boolean?
=> false
>> nil.boolean?
=> false
>> true.boolean?
=> true
>> false.boolean?
=> true
>> (1 ==1).boolean?
=> true
>> (1 ==2).boolean?
=> true
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How do I skip an iteration of a `foreach` loop?
...e simplest (though maybe the logic inside is the same) way of doing this - now that you have Linq available. Though you should ensure that .Skip is called only once for performance reasons. (Yeah, I see now that this is not the straight forward answer to OP's question, though a valuable addition to ...
Organizing a multiple-file Go project [closed]
...
The structure suggested in that link in your question is a bit outdated, now with the release of Go 1. You no longer would need to place a pkg directory under src. The only 3 spec-related directories are the 3 in the root of your GOPATH: bin, pkg, src . Underneath src, you can simply place your p...
Getting all names in an enum as a String[]
...and way to lazy to create an State array i guess, hehe, anyways iedited it now :)
– PermGenError
Dec 9 '12 at 0:15
2
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Spring: @Component versus @Bean
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Now that I understand the concept (from reading other people's answers), your explanation makes sense. Which tells me all the more that your explanation is no good to anyone who doesn't already understand the concepts.
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Test method is inconclusive: Test wasn't run. Error?
... Worked for me and I don't have to clear build for the tests now. Thanks Elias.
– PhoenixPan
Mar 18 '19 at 0:01
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Better naming in Tuple classes than “Item1”, “Item2”
...struct), while Tuple is an immutable reference type (class). As far as I know, there's no way to get a reference type Tuple with friendly item names.
– dx_over_dt
Jul 11 '18 at 21:20
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Is List a subclass of List? Why are Java generics not implicitly polymorphic?
...th a List<Animal> - you can add any animal to it... including a cat. Now, can you logically add a cat to a litter of puppies? Absolutely not.
// Illegal code - because otherwise life would be Bad
List<Dog> dogs = new ArrayList<Dog>(); // ArrayList implements List
List<Animal>...
How to compare strings in Bash
... true.
(
[ "$x" == "valid" ]
&&
echo "valid"
)
||
echo "invalid"
Now, when it is evaluated, the first is checked. If it is false, than the second operand of the logic and && after it is not relevant. The first is not true, so it can not be the first and the second be true, anyway.
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in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot
... The recommended way to enable inline plotting in the IPython Notebook is now to run:
%matplotlib inline
import matplotlib.pyplot as plt
See this post from the ipython-dev mailing list for more details.
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