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Difference between object and class in Scala
I'm just going over some Scala tutorials on the Internet and have noticed in some examples an object is declared at the start of the example.
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multiprocessing: How do I share a dict among multiple processes?
...rogram that creates several processes that work on a join-able queue, Q , and may eventually manipulate a global dictionary D to store results. (so each child process may use D to store its result and also see what results the other child processes are producing)
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Difference between HashSet and HashMap?
... does not allow duplicate values, what is the difference between HashMap and HashSet ?
19 Answers
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How do I concatenate multiple C++ strings on one line?
...ilverMöls The OP declares s on a different line in the equivalent C# code and in his non-compiling C++ code. His desired C++ is s += "Hello world, " + "nice to see you, " + "or not."; which can be written s.append("Hello world, ").append("nice to see you, ").append("or not.");
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FirstOrDefault: Default value other than null
As I understand it, in Linq the method FirstOrDefault() can return a Default value of something other than null. What I haven't worked out is what kind of things other than null can be returned by this (and similar) method when there are no items in the query result. Is there any particular wa...
Is string in array?
...e new readers to know that there is a new method to do this using generics and extension methods.
You can read my blog post to see more information about how to do this, but the main idea is this:
By adding this extension method to your code:
public static bool IsIn<T>(this T source, params...
Mocking python function based on input arguments
... it is pretty simple, but improves readability the fact that function name and param name are different :)
– Juan Antonio Gomez Moriano
Apr 23 '13 at 6:21
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How do you create a Distinct query in HQL
...inner join foo.bars as b" +
" where f.creationDate >= ? and f.creationDate < ? and b.bar = ?";
return getHibernateTemplate().find(queryString, new Object[] {startDate, endDate, bar});
share
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How to format a JavaScript date
...eFormat object (which is part of the
ECMAScript Internationalization API), and then manually create a string
with the delimiters you want.
To do this, you can use DateTimeFormat#formatToParts. You could
destructure the array, but that is not ideal, as the array output depends on the
locale:
// e...
How to merge two sorted arrays into a sorted array? [closed]
This was asked of me in an interview and this is the solution I provided:
31 Answers
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