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Synchronization vs Lock
...{
doSomethingNifty();
}
That said, Locks may be more useful for more complicated things where you can't acquire and release in such a clean manner. I would honestly prefer to avoid using bare Locks in the first place, and just go with a more sophisticated concurrency control such as a CyclicB...
When to favor ng-if vs. ng-show/ng-hide?
...ormance impact and your web app might appear to be faster when using ng-if compared to ng-show/ng-hide. In my experience, the difference is negligible. Animations are possible when using both ng-show/ng-hide and ng-if, with examples for both in the Angular documentation.
Ultimately, the question yo...
Why we should not use protected static in java
...s question Is there a way to override class variables in Java?
The first comment with 36 upvotes was:
8 Answers
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How can I sanitize user input with PHP?
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It's a common misconception that user input can be filtered. PHP even has a (now deprecated) "feature", called magic-quotes, that builds on this idea. It's nonsense. Forget about filtering (or cleaning, or whatever people call it).
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Can one AngularJS controller call another?
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There are multiple ways how to communicate between controllers.
The best one is probably sharing a service:
function FirstController(someDataService)
{
// use the data service, bind to template...
// or call methods on someDataService to send a requ...
Explain the concept of a stack frame in a nutshell
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Validate that a string is a positive integer
...t's at the point you've exceeded 21 digits [by which time the number has become very imprecise, as IEEE-754 double-precision numbers only have roughtly 15 digits of precision..)
... === str: Compares that to the original string.
n >= 0: Check that it's positive.
Note that this fails for the inp...
parseInt vs unary plus, when to use which?
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#Please see this answer for a more complete set of cases
Well, here are a few differences I know of:
An empty string "" evaluates to a 0, while parseInt evaluates it to NaN. IMO, a blank string should be a NaN.
+'' === 0; //true
isNaN(pars...
Smooth GPS data
... if you don't have accuracy info then you can't use a Kalman filter. It's completely fundamental to what the Kalman filter is trying to do.
– Stochastically
Dec 14 '18 at 13:52
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Possible reason for NGINX 499 error codes
...my Angular APP if the user closes the tab and my API requests does not get completed.
– Vivek Saurabh
Jun 26 at 7:20
I...