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Lock, mutex, semaphore… what's the difference?
...n notification, recursion?, 'priority inversion avoidance'?, etc].
4) And now, talking about 'spinlocks', first some definitions:
Critical Region= A region of memory shared by 2 or more processes.
Lock= A variable whose value allows or denies the entrance to a 'critical region'. (It could be impl...
How do I give text or an image a transparent background using CSS?
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@outis: Good news, #RRGGBBAA is now in Color level 4.
– BoltClock♦
Feb 26 '15 at 19:01
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Number.sign() in javascript
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You are the best for now. But I hope there will be more answers in future.
– disfated
Oct 2 '11 at 11:08
add a comment
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Loop through an array in JavaScript
...e this:
var x = [1,2,3,4].map( function(item) {return item * 10;});
And now x is [10,20,30,40].
You don't have to write the function inline. It could be a separate function.
var item_processor = function(item) {
// Do something complicated to an item
}
new_list = my_list.map(item_process...
Is it good practice to make the constructor throw an exception? [duplicate]
...or example I have a class Person and I have age as its only attribute. Now
I provide the class as
8 Answers
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Why does the C# compiler not fault code where a static method calls an instance method?
...w answer (and this entire question) has mostly only historical interest by now!
(Pre C# 7.3:)
For some reason, overload resolution always finds the best match before checking for static versus non-static. Please try this code with all static types:
class SillyStuff
{
static void SameName(obje...
Difference between partition key, composite key and clustering key in Cassandra?
... This was confused me for few days, thanks for this answer, now I'm able to build the data model in my head.
– Roger Dwan
Jan 7 '16 at 9:27
2
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How to use the ProGuard in Android Studio?
... I have tested changing the debug to runProguard true and works perfectly. Now I read your reply, and works!!!! Great man! Thank you.
– Felipe Porge Xavier
Jan 2 '14 at 18:14
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In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
...ke AJAX does -- but long polling was created when WebSockets didn't exist. Now due to WebSockets,
long polling is going away.
WebRTC allows for peer-to-peer communication.
I recommend learning WebSockets.
Comparison:
of different communication techniques on the web
AJAX - request → respons...
The case against checked exceptions
For a number of years now I have been unable to get a decent answer to the following question: why are some developers so against checked exceptions? I have had numerous conversations, read things on blogs, read what Bruce Eckel had to say (the first person I saw speak out against them).
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