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How to determine if a list of polygon points are in clockwise order?
...rtesian coordinate system. The reason that's worth mentioning is that some common contexts, like HTML5 canvas, use an inverted Y-axis. Then the rule has to be flipped: if the area is negative, the curve is clockwise.
– LarsH
Oct 11 '13 at 20:49
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What are the undocumented features and limitations of the Windows FINDSTR command?
The Windows FINDSTR command is horribly documented. There is very basic command line help available through FINDSTR /? , or HELP FINDSTR , but it is woefully inadequate. There is a wee bit more documentation online at https://docs.microsoft.com/en-us/windows-server/administration/windows-commands...
What is the difference between DAO and Repository patterns?
...to entities would usually be tracked by separate UnitOfWork.
It does seem common to see implementations called a Repository that is really more of a DAO, and hence I think there is some confusion about the difference between them.
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Does “git fetch --tags” include “git fetch”?
... git fetch --tags fetches tags in addition to what are fetched by the same command line without the option.
See commit c5a84e9 by Michael Haggerty (mhagger):
Previously, fetch's "--tags" option was considered equivalent to specifying the refspec
refs/tags/*:refs/tags/*
on the command ...
dd: How to calculate optimal blocksize? [closed]
...arched it a bit and I've not found anything suggesting how this would be accomplished.
5 Answers
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What is the difference between a weak reference and an unowned reference?
... provide this benefit).
A weak reference allows the possibility of it to become nil (this happens automatically when the referenced object is deallocated), therefore the type of your property must be optional - so you, as a programmer, are obligated to check it before you use it (basically the compi...
Why is Go so slow (compared to Java)?
As we could see from The Computer Language Benchmarks Game in 2010:
10 Answers
10
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高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...服务端分布式系统设计概要张峻崇 原创主页：http: ccixx.com 昵称：Jone Zhang我们今天要设计的系统目标很明确，针对千万级以上PV的网站，设计一套用于后台的高...张峻崇 原创 主页：http://ccixx.com 昵称：Jone Zhang
我们今天要设...
What happens to a declared, uninitialized variable in C? Does it have a value?
...in undefined behavior.
void foo() {
int x;
printf("%d", x); // the compiler is free to crash here
}
In practice, they tend to just have some nonsensical value in there initially - some compilers may even put in specific, fixed values to make it obvious when looking in a debugger - but stric...
How can HTML5 “replace” Flash? [closed]
...hat people loosely refer to HTML5 in the context of this discussion is the combination of HTML as a markup language, CSS which specifies how it is rendered, and the javascript code which manipulates the HTML and CSS dynamically.
Furthermore, HTML5 not only has the standard text elements, but also &...