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Is it safe to delete a NULL pointer?
Is it safe to delete a NULL pointer?
7 Answers
7
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How much is too much with C++11 auto keyword?
...the C++11 standard for complicated templated types which is what I believe it was designed for. But I'm also using it for things like:
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Qt events and signal/slots
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The Qt documentation probably explains it best:
In Qt, events are objects, derived
from the abstract QEvent class, that
represent things that have happened
either within an application or as a
result of outside activity that the
application needs to ...
程序员正能量：从事IT的六大好处 - 杂谈 - 清泛网 - 专注C/C++及内核技术
程序员正能量：从事IT的六大好处程序员的同志们，来点正能量！本文是一位程序员总结的干IT的六点好处。看看在云南新华电脑学院学IT的这位程序员同行总结的六点干IT的好处，真是满满的正能量啊！程序员的同志们，来点正...
What does Ruby have that Python doesn't, and vice versa?
...s in language Y, or that claim language Y doesn't have X, although in fact it does. I also know exactly why I prefer Python, but that's also subjective, and wouldn't help anybody choosing, as they might not have the same tastes in development as I do.
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Python name mangling
...ible. If in doubt about whether a variable should be private or protected, it's better to go with private.
11 Answers
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Why is it considered a bad practice to omit curly braces? [closed]
Why does everyone tell me writing code like this is a bad practice?
52 Answers
52
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Can you have multiple $(document).ready(function(){ … }); sections?
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You can have multiple ones, but it's not always the neatest thing to do. Try not to overuse them, as it will seriously affect readability. Other than that , it's perfectly legal. See the below:
http://www.learningjquery.com/2006/09/multiple-document-ready
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How to implement classic sorting algorithms in modern C++?
The std::sort algorithm (and its cousins std::partial_sort and std::nth_element ) from the C++ Standard Library is in most implementations a complicated and hybrid amalgamation of more elementary sorting algorithms , such as selection sort, insertion sort, quick sort, merge sort, or heap sort....
Volatile vs. Interlocked vs. lock
...ier of counter to public volatile
As other people have mentioned, this on its own isn't actually safe at all. The point of volatile is that multiple threads running on multiple CPUs can and will cache data and re-order instructions.
If it is not volatile, and CPU A increments a value, then CPU B ma...