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Java JUnit: The method X is ambiguous for type Y
...ls(Object, Object) and assertEquals(double, double) both of which could be called, thanks to autoboxing.
To avoid the ambiguity, make sure that you either call assertEquals(Object, Object) (by passing two Doubles) or assertEquals(double, double) (by passing two doubles).
So, in your case, you sho...
How to detect internet speed in JavaScript?
... completion. If you use an XMLHttpRequest object to do the post, there's a callback for completion.
– T.J. Crowder
Apr 3 '11 at 13:38
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Is there a way to do method overloading in TypeScript?
...thod implementation that checks its arguments to decide which overload was called. The signature of the implementation has to be compatible with all of the overloads.
class TestClass {
someMethod(stringParameter: string): void;
someMethod(numberParameter: number, stringParameter: string): v...
How to add \newpage in Rmarkdown in a smart way?
...results in Error in eval(x, envir = envir) : object 'opts_knit' not found Calls: <Anonymous> ... process_group.block -> call_block -> eval_lang -> eval -> eval Execution halted opts_knit$get works fine in the console though. ?
– keithpjolley
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Does Parallel.ForEach limit the number of active threads?
...Extensions uses an appropriate number of cores, based on how many you physically have and how many are already busy. It allocates work for each core and then uses a technique called work stealing to let each thread process its own queue efficiently and only need to do any expensive cross-thread acce...
Await on a completed task same as task.Result?
...should never have to deal with AggregateException at all, unless it specifically wants to.
The second reason is a little more subtle. As I describe on my blog (and in the book), Result/Wait can cause deadlocks, and can cause even more subtle deadlocks when used in an async method. So, when I'm read...
Redirect stdout pipe of child process in Go
...essary details. The hardest parts were (1) finding what standard-output is called (os.Stdout) and (2) confirming the premise that, if you don't call cmd.StdoutPipe() at all, the standard-output goes to /dev/null rather than to the parent-process's standard-output.
– ruakh
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Websocket API to replace REST API?
...s and collections can be passed around from/to client and server by simply calling a functions RPC-style. No more managing REST endpoints, serializing/deserializing objects, and so forth. I haven't worked with socketstream yet, but it looks worth checking out.
I still have a long way to go before I...
std::back_inserter for a std::set?
...(s2, s2.begin()), ExcitingUnaryFunctor());
The insert iterator will then call s2.insert(s2.begin(), x) where x is the value passed to the iterator when written to it. The set uses the iterator as a hint where to insert. You could as-well use s2.end().
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What does the arrow operator, '->', do in Java?
...ouple of online tutorials to get the hang of it, here's a link to one. Basically, the -> separates the parameters (left-side) from the implementation (right side).
The general syntax for using lambda expressions is
(Parameters) -> { Body } where the -> separates parameters and lambda expres...