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Xcode debugger doesn't print objects and shows nil, when they aren't

...ation". Here set "Debug". If it was on "Release" that's the matter you saw all nils). share | improve this answer | follow | ...
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JavaScript: Upload file

... Pure JS You can use fetch optionally with await-try-catch let photo = document.getElementById("image-file").files[0]; let formData = new FormData(); formData.append("photo", photo); fetch('/upload/image', {method: "POST", body: formData}); async fu...
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Difference between thread's context class loader and normal classloader

... Indeed, not all classloaders have a classpath. When wrote "ClassB needs to be on the classpath of the classloader of ClassA", I meant "ClassB needs to loadable by the classloader of ClassA". 90% of the time they mean the same. But if ...
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How to check if an object is serializable in C#

... You have a lovely property on the Type class called IsSerializable. share | improve this answer | follow | ...
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PHP Remove elements from associative array

...', 4 => 'Completed', 5 => 'Mark As Spam', ); That would allow you to use your values of key as indexes to access the array... And you'd be able to use functions to search on the values, such as array_search() : $indexCompleted = array_search('Completed', $array); unset($array[$...
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When should TaskCompletionSource be used?

AFAIK, all it knows is that at some point, its SetResult or SetException method is being called to complete the Task<T> exposed through its Task property. ...
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What is the difference between server side cookie and client side cookie?

...rence between creating cookies on the server and on the client? Are these called server side cookies and client side cookies? Is there a way to create cookies that can only be read on the server or on the client? ...
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Adjust list style image position?

... Not really. Your padding is (probably) being applied to the list item, so will only affect the actual content within the list item. Using a combination of background and padding styles can create something that looks similar e.g. ...
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Accessing inactive union member and undefined behavior?

...representation in the new type as described in 6.2.6 (a process sometimes called ‘‘type punning’’). This might be a trap representation. The situation with C++: c++11 9.5 Unions [class.union] In a union, at most one of the non-static data members can be active at any time, ...
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Why do we have to normalize the input for an artificial neural network?

...erent scales for different dims (w1,w2). But learning rate is the SAME for all dims --> steps in elongated dim (w2) are very small until reaches the local min. Problem: Cannot inc LR, since it will skip the local min in the other dim (w1). See demo at youtube.com/watch?reload=9&v=UIp2CMI0748 ...