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Why can I access private variables in the copy constructor?
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IMHO, existing answers do a poor job explaining the "Why" of this - focusing too much on reiterating what behaviour's valid. "access modifiers work on class level, and not on object level." - yes, but why?
The overarching concept ...
What is tail call optimization?
...s optimization (JavaScript does also, starting with ES6), so here are two examples of the factorial function in Scheme:
(define (fact x)
(if (= x 0) 1
(* x (fact (- x 1)))))
(define (fact x)
(define (fact-tail x accum)
(if (= x 0) accum
(fact-tail (- x 1) (* x accum))))
(fa...
datatrigger on enum to change image
I've got a button with a fixed background image and would like to show a small overlay image on top of it. Which overlay image to chose depends on a dependency property ( LapCounterPingStatus ) of the according viewmodel.
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Is there a generic constructor with parameter constraint in C#?
...neric object, the type still needs the correct constructor declared or an exception will be thrown. You can pass in any argument as long as they match one of the constructors.
Used this way you cannot put a constraint on the constructor in the template.
If the constructor is missing, an exception n...
How to upload a file to directory in S3 bucket using boto
...mmand prompt and type aws configure, enter your info and you will automatically connect with boto3. Check boto3.readthedocs.io/en/latest/guide/quickstart.html
– seeiespi
Aug 28 '18 at 21:31
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Using Spring MVC Test to unit test multipart POST request
...e me this example but with PATCH method?
– lalilulelo_1986
Mar 17 at 15:53
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How to catch curl errors in PHP
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You can use the curl_error() function to detect if there was some error. For example:
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $your_url);
curl_setopt($ch, CURLOPT_FAILONERROR, true); // Required for HTTP error codes to be reported via ...
Similar to jQuery .closest() but traversing descendants?
...found.length) break; // At least one match: break loop
// Get all children of the current set
$currentSet = $currentSet.children();
}
return $found.first(); // Return first match of the collection
}
})(jQuery);
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Throwing the fattest people off of an overloaded airplane.
...ngers)
{
if (totalWeight < targetTotal)
{
// unconditionally add this passenger
myHeap.Add(pass);
totalWeight += pass.Weight;
}
else if (pass.Weight > myHeap.Peek().Weight)
{
// If this passenger is heavier than the lightest
// passen...
How do I typedef a function pointer with the C++11 using syntax?
...hank you. And I prefer seeing a pointer, as it is a function pointer after all.
– Pierre
Mar 31 at 7:34
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