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How to convert Set to Array?
...e elements, but it does not expose any good way to get properties, except for generator [Set].values, which is called in an awkward way of mySet.values.next() .
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Find first element in a sequence that matches a predicate
...To find first element in a sequence seq that matches a predicate:
next(x for x in seq if predicate(x))
Or (itertools.ifilter on Python 2):
next(filter(predicate, seq))
It raises StopIteration if there is none.
To return None if there is no such element:
next((x for x in seq if predicate(x)...
How to import the class within the same directory or sub directory?
I have a directory that stores all the .py files.
13 Answers
13
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What are forward declarations in C++?
At: http://www.learncpp.com/cpp-tutorial/19-header-files/
8 Answers
8
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If REST applications are supposed to be stateless, how do you manage sessions?
...ation. I've been reading about REST, and building RESTful applications. According to wikipedia, REST itself is defined to be Representational State Transfer . I therefore don't understand all this stateless gobbledeygook that everyone keeps spewing.
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How to add minutes to my Date
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The issue for you is that you are using mm. You should use MM. MM is for month and mm is for minutes. Try with yyyy-MM-dd HH:mm
Other approach:
It can be as simple as this (other option is to use joda-time)
static final long ONE_MI...
eval command in Bash and its typical uses
...ts, they are first joined with spaces between them.)
${$n} is a syntax error in bash. Inside the braces, you can only have a variable name, with some possible prefix and suffixes, but you can't have arbitrary bash syntax and in particular you can't use variable expansion. There is a way of saying ...
TypeScript typed array usage
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You have an error in your syntax here:
this._possessions = new Thing[100]();
This doesn't create an "array of things". To create an array of things, you can simply use the array literal expression:
this._possessions = [];
Of the array...
Should I instantiate instance variables on declaration or in the constructor?
Is there any advantage for either approach?
15 Answers
15
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How to deserialize a list using GSON or another JSON library in Java?
...gt;>(){}.getType());
You might also need to provide a no-arg constructor on the Video class you're deserializing to.
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