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JavaScript error (Uncaught SyntaxError: Unexpected end of input)
...as trying to parse an empty JSON:
JSON.parse(stringifiedJSON);
In other words, what happened was the following:
JSON.parse("");
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What is std::promise?
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In the words of [futures.state] a std::future is an asynchronous return object ("an object that reads results from a shared state") and a std::promise is an asynchronous provider ("an object that provides a result to a shared state"...
What is polymorphism, what is it for, and how is it used?
...ing Polymorphism in PHP, Thanks Steve Guidetti.
Polymorphism is a long word for a very simple concept.
Polymorphism describes a pattern in object oriented programming in which classes have different functionality while sharing a common interface.
The beauty of polymorphism is that the ...
Efficiency of Java “Double Brace Initialization”?
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"Probably" being the operative word. Unless measured, no statements about performance are meaningful.
– Instance Hunter
May 29 '09 at 4:00
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What is the difference between a “line feed” and a “carriage return”?
If there are these two keywords then they must have their own meaning. So I want to know what makes them different and what is their code?
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What is Mocking?
...un mock in the dictionary you will find that one of the definitions of the word is something made as an imitation.
Mocking is primarily used in unit testing. An object under test may
have dependencies on other (complex) objects. To isolate the behavior
of the object you want to replace the other ob...
When to use LinkedList over ArrayList in Java?
...removals using iterators, but only sequential access of elements. In other words, you can walk the list forwards or backwards, but finding a position in the list takes time proportional to the size of the list. Javadoc says "operations that index into the list will traverse the list from the beginni...
How to get ASCII value of string in C#
... This shows me System.Byte[]. You need to loop through the chars in the word. Not sure how you got it to work. Helped the OP though which is what matters.
– NikosV
Sep 22 '18 at 9:35
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@property retain, assign, copy, nonatomic in Objective-C
...YES or NO value), it’s customary for the getter method to start with the word “is”
@property (getter=isFinished) BOOL finished;
setter=method If you want to use a different name for a setter method, it’s possible to specify a custom name by adding attributes to the property.
The method...
MySQL combine two columns into one column
...keep getting the value '0' in the column instead to the combination of the words.
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