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How can I determine whether a 2D Point is within a Polygon?

...s after all), but macOS for example uses float for everything. macOS only knows points and a point can translate to one pixel, but depending on monitor resolution, it might translate to something else. On retina screens half a point (0.5/0.5) is pixel. Still, I never noticed that macOS UIs are signi...
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Difference between and

...1e8a1f6 OK, this is the expected output. But this is "old style" Spring. Now we have annotations so lets use those to simplify the XML. First, lets autowire the bbb and ccc properties on bean A like so: package com.yyy; import org.springframework.beans.factory.annotation.Autowired; import com.xx...
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How to use ssh agent forwarding with “vagrant ssh”?

... user to "git clone" but I can not use "root" user to "git clone". Do you know what seem to be the issue? Thanks – Nam Nguyen Jan 20 '14 at 8:31 7 ...
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How do I parse JSON with Objective-C?

...f the OS X v10.7 and iOS 5 launches, probably the first thing to recommend now is NSJSONSerialization, Apple's supplied JSON parser. Use third-party options only as a fallback if you find that class unavailable at runtime. So, for example: NSData *returnedData = ...JSON data, probably from a web r...
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What do 'statically linked' and 'dynamically linked' mean?

... @Paul Fisher, I know this is late but... the library that ships with a Windows DLL isn't the full library, it's just a bunch of stubs that tell the linker what the DLL contains. The linker can then automatically put the information into the ....
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Difference between pre-increment and post-increment in a loop?

... a++ is known as postfix. add 1 to a, returns the old value. ++a is known as prefix. add 1 to a, returns the new value. C#: string[] items = {"a","b","c","d"}; int i = 0; foreach (string item in items) { Console.WriteLine(++...
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Rails extending ActiveRecord::Base

...y-patching. Some people, when confronted with a problem, think “I know, I'll use monkey patching.” Now they have two problems. Monkey patching is easy and quick. But, the time and effort saved is always extracted back sometime in the future; with compound interest. These days I limi...
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What is a good use case for static import of methods?

...rs of your code (including you, a few months after you wrote it) will not know which class a static member comes from. Importing all of the static members from a class can be particularly harmful to readability; if you need only one or two members, import them individually. (https://docs.oracle.co...
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Send a file via HTTP POST with C#

... Thanks, I've used it with something simple and I't worked. Now, as you say, I do need to emulate a browser input file, somethig like this <intput type="file" name"userFile"/>. – gabitoju Jul 15 '09 at 13:51 ...
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Rule-of-Three becomes Rule-of-Five with C++11?

...since C++11 was passed? I believe struct C { virtual ~C() = default; }; is now allowed and the most concise option. The prohibition ("- it shall not be virtual") from n3242 is not present anymore in n3290 and GCC allows it while previously it didn't. – Luc Danton ...