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What is the difference between atan and atan2 in C++?
What is the difference between atan and atan2 in C++?
11 Answers
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A definitive guide to API-breaking changes in .NET
I would like to gather as much information as possible regarding API versioning in .NET/CLR, and specifically how API changes do or do not break client applications. First, let's define some terms:
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How to delete last character in a string in C#?
Building a string for post request in the following way,
10 Answers
10
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“You have mail” message in terminal, os X [closed]
Few days ago I got this message in my terminal window:
5 Answers
5
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String concatenation vs. string substitution in Python
In Python, the where and when of using string concatenation versus string substitution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one?
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How to add screenshot to READMEs in github repository?
Is it possible to place a screenshot in README file in a GitHub repository? What's the syntax?
15 Answers
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Get difference between two lists
I have two lists in Python, like these:
27 Answers
27
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return, return None, and no return at all?
...that's it. However, there is a time and place for all of these.
The following instructions are basically how the different methods should be used (or at least how I was taught they should be used), but they are not absolute rules so you can mix them up if you feel necessary to.
Using return None
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How to rethrow InnerException without losing stack trace in C#?
I am calling, through reflection, a method which may cause an exception. How can I pass the exception to my caller without the wrapper reflection puts around it?
I am rethrowing the InnerException, but this destroys the stack trace.
Example code:
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Pointer expressions: *ptr++, *++ptr and ++*ptr
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Here's a detailed explanation which I hope will be helpful. Let's begin with your program, as it's the simplest to explain.
int main()
{
const char *p = "Hello";
while(*p++)
printf("%c",*p);
return 0;
}
The first statement:
const char* p = "Hello";
declares p as a poi...