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bool to int conversion
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int x = 4<5;
Completely portable. Standard conformant. bool to int conversion is implicit!
§4.7/4 from the C++ Standard says (Integral Conversion)
If the source type is bool, the value false is converted to zero an...
Ternary operator is twice as slow as an if-else block?
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To answer this question, we'll examine the assembly code produced by the X86 and X64 JITs for each of these cases.
X86, if/then
32: foreach (int i in array)
0000007c 33 D2 xor edx,edx
0000007e 83 7E 04 00 ...
What does “Memory allocated at compile time” really mean?
In programming languages like C and C++, people often refer to static and dynamic memory allocation. I understand the concept but the phrase "All memory was allocated (reserved) during compile time" always confuses me.
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Why does Windows64 use a different calling convention from all other OSes on x86-64?
AMD has an ABI specification that describes the calling convention to use on x86-64. All OSes follow it, except for Windows which has it's own x86-64 calling convention. Why?
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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
11
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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 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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retrieve links from web page using python and BeautifulSoup [closed]
How can I retrieve the links of a webpage and copy the url address of the links using Python?
16 Answers
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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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Python Nose Import Error
I can't seem to get the nose testing framework to recognize modules beneath my test script in the file structure. I've set up the simplest example that demonstrates the problem. I'll explain it below.
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