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Is cout synchronized/thread-safe?
...teed to be thread-safe, what do you think will happen in this code?
// in one thread
cout << "The operation took " << result << " seconds.";
// in another thread
cout << "Hello world! Hello " << name << "!";
You probably want each line here to act in mutual ex...
Checking if a string array contains a value, and if so, getting its position
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This should be the accepted answer because it allows one to pass in a lambda to do more complicated things like Array.FindIndex(array, x => x.StartsWith("insert string here"))
– reggaeguitar
Apr 2 '14 at 21:33
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scala vs java, performance and memory? [closed]
I am keen to look into Scala, and have one basic question I cant seem to find an answer to:
in general, is there a difference in performance and usage of memory between Scala and Java?
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How to set timer in android?
Can someone give a simple example of updating a textfield every second or so?
21 Answers
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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
...endency injection framework, but they could not gather all requirements in one specification because they could not predict the future requirements and they made EJB 1.0 and then 2.0 and then 3.0 and now 3.1 but EJB's target was for just some requirements (transaction, distributed component model, e...
Building big, immutable objects without using constructors having long parameter lists
... and immutable object once created?
I think a fluent interface CORRECTLY DONE would help you.
It would look like this (purely made up example):
final Foo immutable = FooFactory.create()
.whereRangeConstraintsAre(100,300)
.withColor(Color.BLUE)
.withArea(234)
.withInterspacing(12)
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Immutable class?
How can one make a Java class immutable, what is the need of immutability and is there any advantage to using this?
13 Answ...
Break or return from Java 8 stream forEach?
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If you need this, you shouldn't use forEach, but one of the other methods available on streams; which one, depends on what your goal is.
For example, if the goal of this loop is to find the first element which matches some predicate:
Optional<SomeObject> result =
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What is the best way to force yourself to master vi? [closed]
... or navigate or save. And my hands never leave the keyboard. To use Vim is one of the best choices I've made in my programming career.
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What is the difference between “INNER JOIN” and “OUTER JOIN”?
...ately. An outer join will give the results of A intersect B in addition to one of the following: all of A (left join), all of B (right join) or all of A and all of B (full join). Only this last scenario is really A union B. Still, a well written explanation.
– Thomas
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