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How do I convert this list of dictionaries to a csv file?
...ior solution doesn't handle the order. As noted by Wilduck, DictWriter is more appropriate here.
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How to sum up elements of a C++ vector?
...Of course in C++03 you can use std::for_each with a functor, it just takes more lines of code to define than the C++0x lambda.
– Ben Voigt
Jul 11 '10 at 4:04
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Elegant way to combine multiple collections of elements?
...dn't do this in the first place is that (to me) it seems to get uglier the more collections you have to deal with. However this has the benefit of using existing LINQ functions, which future developers will likely already be familiar with.
– Donut
Dec 20 '10 at...
Get generic type of class at runtime
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Its even more verbose if you use a dao/factory/manager approach. Foo foo1 = GetDao<Foo>(Foo.class).get(Foo.class, 1)
– djmj
Oct 16 '14 at 21:55
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What is an efficient way to implement a singleton pattern in Java? [closed]
...is functionally equivalent to the public field approach, except that it is more concise, provides the serialization machinery for free, and provides an ironclad guarantee against multiple instantiation, even in the face of sophisticated serialization or reflection attacks. While this approach has ye...
How can I implement an Access Control List in my Web MVC application?
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when you get "permission denied", you are not locked inside a controller, more options
you can inject this secured instance in any other object, it will retain the protection
wrap it & forget it .. you can pretend that it is the original object, it will react the same
But, there are one majo...
Using querySelectorAll to retrieve direct children
...cope, I can't think of another way to handle your situation without adding more custom filter logic (e.g. find myDiv.getElementsByClassName("foo") whose .parentNode === myDiv), and obviously not ideal if you're trying to support one code path that really just wants to take an arbitrary selector stri...
Fluent and Query Expression — Is there any benefit(s) of one over other?
...of time, and lines of code. However, the fluent syntax seems to come much more natural to me than the query expression syntax.
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What requirement was the tuple designed to solve?
...oup together a bunch of otherwise unrelated data in some structure that is more lightweight than a class" is useful in many, many places, not just for formal parameter lists of methods. It's useful when a method has two things to return, or when you want to key a dictionary off of two data rather th...
What is the advantage of using REST instead of non-REST HTTP?
... especially as you can avoid the whole PUT-vs-POST thing. Plus you can add more verbs if you want to, so you aren't artificially bound to what HTTP offers. For example:
POST /hide/article/1/
POST /show/article/1/
(Or whatever, it's hard to think of examples until they happen!)
So in conclusion, ...