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What are the barriers to understanding pointers and what can be done to overcome them? [closed]
Why are pointers such a leading factor of confusion for many new, and even old, college level students in C or C++? Are there any tools or thought processes that helped you understand how pointers work at the variable, function, and beyond level?
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Why does sizeof(x++) not increment x?
Here is the code compiled in dev c++ windows:
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How to resolve : Can not find the tag library descriptor for “http://java.sun.com/jsp/jstl/core” [du
The Eclipse IDE is showing red underline and when I focus it the tag is : can not find the library descriptor for http://java.sun.com/jsp/jstl/core
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How to Calculate Execution Time of a Code Snippet in C++
I have to compute execution time of a C++ code snippet in seconds. It must be working either on Windows or Unix machines.
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Best implementation for hashCode method for a collection
How do we decide on the best implementation of hashCode() method for a collection (assuming that equals method has been overridden correctly) ?
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ActiveRecord: List columns in table from console
I know that you can ask ActiveRecord to list tables in console using:
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“f” after number
What does the f after the numbers indicate? Is this from C or Objective-C? Is there any difference in not adding this to a constant number?
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The difference between the Runnable and Callable interfaces in Java
What is the difference between using the Runnable and Callable interfaces when designing a concurrent thread in Java, why would you choose one over the other?
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How to call a parent class function from derived class function?
How do I call the parent function from a derived class using C++? For example, I have a class called parent , and a class called child which is derived from parent. Within
each class there is a print function. In the definition of the child's print function I would like to make a call to the ...
Swapping two variable value without using third variable
One of the very tricky questions asked in an interview.
27 Answers
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