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How to profile methods in Scala?
...that you want to measure timings for? If you don't mind changing the code, then you could do something like this:
def time[R](block: => R): R = {
val t0 = System.nanoTime()
val result = block // call-by-name
val t1 = System.nanoTime()
println("Elapsed time: " + (t1 - t0) + "ns...
Forward declaration of nested types/classes in C++
...lass::doesStuff<This::Is::An::Embedded::Type>()
{
// ...
}
But then:
you will have to specify the embedded type at call time (especially if your function does not take any parameters of the embedded type)
your function can not be virtual (because it is a template)
So, yeah, tradeoffs...
How can I create a temp file with a specific extension with .NET?
...your head out of the clouds. The approach is: generate a random file name, then create it if it doesn't exist. So just help him code that nicely. All this talk about pseudo-random generators and universally unique numbers is totally unnecessary.
– Max Hodges
No...
How to line-break from css, without using ?
...nguish between Hello and How are you.
I suggest using spans that you will then display as blocks (just like a <div> actually).
p span {
display: block;
}
<p><span>hello</span><span>How are you</span></p>
...
Dealing with multiple Python versions and PIP?
...
this worked for me on windows. had 3 installed and then installed 2
– daneshjai
Aug 17 '18 at 2:53
1
...
How to handle back button in activity
...tton in a view you should track the KeyEvent with starttracking on keydown then invoke with keyup.
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK
&& event.getRepeatCount() == 0) {
event.startTracking();
return tr...
The multi-part identifier could not be bound
...already have understood, dkcd is joined specifically against b and only b, then the result of the join is combined with a and filtered further with the WHERE clause. In this case, any reference to a in the ON clause is invalid, a is unknown at that point. That is why you are getting the error messag...
Unit testing that events are raised in C# (in order)
...
If you're doing TDD then event testing can start to generate a lot of repetitive code. I wrote an event monitor that enables a much cleaner approach to unit test writing for these situations.
var publisher = new PropertyChangedEventPublisher();...
Filter by process/PID in Wireshark
...oup and cut all other traffic with iptables for the execution lifetime and then you could capture traffic from this process only.
If I ever come round to writing it, I'll post a link here.
On another note, you can always run a process in a virtual machine and sniff the correct interface to isolate...
How to get the first non-null value in Java?
...
If NPE is undesired, then see this answer
– OrangeDog
Jun 9 '16 at 10:11
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