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What is the difference between a.getClass() and A.class in Java?
...yClass();
public MyClass()
{
super(myObject.getClass()); //error line compile time error
}
}
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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
...gh return values and never exceptions, and it's difficult to combine these error handling mechanisms in a single performant way.
– Jeff Wilcox
May 11 '10 at 9:15
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Why do you use typedef when declaring an enum in C++?
...es.
// C++
enum MyEnum {
// ...
};
void f( MyEnum x ); // Correct C++, Error in C
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Synchronous request in Node.js
...ill execute the first argument's elements as functions, so async throws an error trying to execute the objects as functions.
– lid
Apr 13 '14 at 20:03
1
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default select option as blank
...ing-space entity inside the option tags shown above produced the following error in 2013:
Error: W3C Markup Validaton Service (Public): The first child option
element of a select element with a required attribute and without a
multiple attribute, and whose size is 1, must have either an empt...
Cross-Origin Request Headers(CORS) with PHP headers
...erisk, you should send the accepted headers (first X-Requested-With as the error says).
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Callback functions in Java
...hat simple
public interface myCallback {
void onSuccess();
void onError(String err);
}
now to make this callback run when ever you wish to do to handle the results - more likely after async call and you wanna run some stuff which depends on these reuslts
// import the Interface class her...
Run a Python script from another Python script, passing in arguments [duplicate]
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Re: "no raisin." This is not an error. However, it was interesting to see how long it would take for someone unfamiliar with Futurama to "correct" it in a random Stack Overflow question: two years and three months. :-)
– kindall
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mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...name that the model is defined with can cause it to not save anything, w/o error. We have found that using all lowercase names works best. E.g. instead of doing something like mongooseInstace.model('MyCollection', { "_id": Number, "xyz": String }) it's better to do (even though the collection name i...
Java: Literal percent sign in printf statement
...an actual percent sign into a printf statement in Java and I'm getting the error:
3 Answers
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