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How and why does 'a'['toUpperCase']() in JavaScript work?
JavaScript keeps surprising me and this is another instance. I just came across some code which I did not understood at first. So I debugged it and came to this finding:
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C++ new int[0] — will it allocate memory?
...om 5.3.4/7
When the value of the expression in a direct-new-declarator is zero, the allocation function is called to allocate an array with no elements.
From 3.7.3.1/2
The effect of dereferencing a pointer returned as a request for zero size is undefined.
Also
Even if the size of the...
What is CMake equivalent of 'configure --prefix=DIR && make all install '?
I do cmake . && make all install . This works, but installs to /usr/local .
7 Answers
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Is there a way to simulate the C++ 'friend' concept in Java?
...n another package without having to make it a subclass of the other class. Is this possible?
19 Answers
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How does a hash table work?
I'm looking for an explanation of how a hash table works - in plain English for a simpleton like me!
15 Answers
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Difference between HashMap, LinkedHashMap and TreeMap
What is the difference between HashMap , LinkedHashMap and TreeMap in Java?
I don't see any difference in the output as all the three has keySet and values . What are Hashtable s?
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What is the advantage of using REST instead of non-REST HTTP?
Apparently, REST is just a set of conventions about how to use HTTP . I wonder which advantage these conventions provide. Does anyone know?
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Method Syntax in Objective-C
Can someone explain this method declaration syntax for me? In this function, the number of rows of a UIPickerView (slot machine UI on the iPhone) is being returned. From my understanding, the Method is called ' pickerView ', and returns an NSInteger.
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bash HISTSIZE vs. HISTFILESIZE?
What is the difference in HISTSIZE vs. HISTFILESIZE ?
2 Answers
2
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Is it possible to make the -init method private in Objective-C?
...hods. Any message can be sent to any object at any time.
What you can do is throw an NSInternalInconsistencyException if your -init method is invoked:
- (id)init {
[self release];
@throw [NSException exceptionWithName:NSInternalInconsistencyException
rea...