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Shortest distance between a point and a line segment

...ode, in C++. It presumes a class 2D-vector class vec2 {float x,y;}, essentially, with operators to add, subract, scale, etc, and a distance and dot product function (i.e. x1 x2 + y1 y2). float minimum_distance(vec2 v, vec2 w, vec2 p) { // Return minimum distance between line segment vw and point ...
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MySQL - Make an existing Field Unique

...e you don't have duplicates first, no? – William T. Mallard Apr 16 '14 at 20:04 1 Be sure to make...
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Can “using” with more than one resource cause a resource leak?

... No. The compiler will generate a separate finally block for each variable. The spec (§8.13) says: When a resource-acquisition takes the form of a local-variable-declaration, it is possible to acquire multiple resources of a given type. A using statement of the...
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Git: list only “untracked” files (also, custom commands)

...he alias line, or where is that documented? – We Are All Monica Sep 27 '10 at 6:31 @takeshin How to get only parent di...
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Simple insecure two-way data “obfuscation”?

...e to figure out your keys by just assuming that you used this code as-is! All you have to do is change some of the numbers (must be <= 255) in the Key and Vector arrays (I left one invalid value in the Vector array to make sure you do this...). You can use https://www.random.org/bytes/ to gener...
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How do I use PHP namespaces with autoload?

... $class parameter of autoload is the class name as written in constructor call. – tishma Feb 6 '13 at 12:29 1 ...
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Remove duplicate values from JS array [duplicate]

...olution is O(n^2), making it inefficient. – Casey Kuball Sep 21 '17 at 16:35 4 I really wish in 2...
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What is the purpose of the vshost.exe file?

...ent). The purpose of it is mostly to make debugging launch quicker - basically there's already a process with the framework running, just ready to load your application as soon as you want it to. See this MSDN article and this blog post for more information. ...
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What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr

... Personally, I find it very rare that I want to perform streaming into and out of the same string stream. Usually I want to either initialize a stream from a string and then parse it; or stream things to a string stream and then ex...
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Does Javascript pass by reference? [duplicate]

...m very confused about my parameter for the rectangle function. It is actually undefined , and redefined inside the function. There are no original reference. If I remove it from the function parameter, the inside area function is not able to access it. ...