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Using Java 8 to convert a list of objects into a string obtained from the toString() method
...erts Integer stream to String stream, then its reduced as concatenation of all the elements.
Note: This is normal reduction which performs in O(n2)
for better performance use a StringBuilder or mutable reduction similar to F. Böller's answer.
String s = list.stream().map(Object::toString).collec...
Git: add vs push vs commit
...the suggested way to commit is the combined git commit -a, but you can mentally add a git add to the change block to understand the flow.
Lastly, the reason why push is a separate command is because of git's philosophy. git is a distributed versioning system, and your local working directory is your...
Why is vertical-align: middle not working on my span or div?
I'm trying to vertically center a span or div element within another div element. However when I put vertical-align: middle , nothing happens. I've tried changing the display properties of both elements, and nothing seems to work.
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How to kill zombie process
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usually, you can find the parent in the PPid row if you cat /proc/<pid>/status
– Daniel Andrei Mincă
Sep 4 '18 at 11:22
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PowerMockito mock single static method and return object
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What you want to do is a combination of part of 1 and all of 2.
You need to use the PowerMockito.mockStatic to enable static mocking for all static methods of a class. This means make it possible to stub them using the when-thenReturn syntax.
But the 2-argument overload of mo...
What is the best workaround for the WCF client `using` block issue?
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Actually, although I blogged (see Luke's answer), I think this is better than my IDisposable wrapper. Typical code:
Service<IOrderService>.Use(orderService=>
{
orderService.PlaceOrder(request);
});
(edit per comm...
A CSS selector to get last visible div
...uery and those tags were added by another answerer. 1nfected - do you actually want jQuery? If so, please actually put that in your question. Otherwise, you should accept this answer instead.
– jep
Oct 11 '13 at 15:11
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When to use virtual destructors?
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Virtual destructors are useful when you might potentially delete an instance of a derived class through a pointer to base class:
class Base
{
// some virtual methods
};
class Derived : public Base
{
~Derived()
{
// Do some important cleanup
}
};
Her...
Difference between repository and service?
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A Repository is essentially a facade for persistence that uses Collection style semantics (Add, Update, Remove) to supply access to data/objects. It is a way of decoupling the way you store data/objects from the rest of the application.
A service ...
Removing carriage return and new-line from the end of a string in c#
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Just out of interest, all you really need is s = s.TrimEnd() - as the docs say: If trimChars is null or an empty array, Unicode white-space characters are removed instead. - see String.TrimEnd
– Stuart Wood
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