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How to calculate an angle from three points? [closed]

...P132 - P232) / (2 * P12 * P13)) where P12 is the length of the segment from P1 to P2, calculated by sqrt((P1x - P2x)2 + (P1y - P2y)2) share edited Aug 25 '16 at...
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Why is it possible to recover from a StackOverflowError?

...ck that caught it, any object that may be modified by any method reachable from there is now suspect. Usually it is not worthwhile to find out what happened and try to fix it. – Simon Richter Mar 2 '14 at 18:42 ...
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?

... this a lot simpler: just do update-package -reinstall -ignoreDependencies from the Package Manager Console. NuGet 2.0 doesn't handle re-targeting your applications very well. In order to change your packages' target frameworks, you must uninstall and reinstall the packages (taking note of the pac...
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How can I capitalize the first letter of each word in a string?

... which may not be the desired result: >>> "they're bill's friends from the UK".title() "They'Re Bill'S Friends From The Uk" share | improve this answer | follow ...
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How to get a enum value from string in C#?

...L_MACHINE", true); This code snippet illustrates obtaining an enum value from a string. To convert from a string, you need to use the static Enum.Parse() method, which takes 3 parameters. The first is the type of enum you want to consider. The syntax is the keyword typeof() followed by the name of...
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How to generate a random string in Ruby

... BTW SecureRandom was removed from ActiveSupport in version 3.2. From the changelog: "Removed ActiveSupport::SecureRandom in favor of SecureRandom from the standard library". – Marc Jan 20 '12 at 21:57 ...
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Getting the docstring from a function

... Interactively, you can display it with help(my_func) Or from code you can retrieve it with my_func.__doc__ share | improve this answer | follow ...
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from jquery $.ajax to angular $http

... request by using http service in AngularJs, which helps to read/load data from remote server. $http service methods are listed below, $http.get() $http.post() $http.delete() $http.head() $http.jsonp() $http.patch() $http.put() One of the Example: $http.get("sample.php") .su...
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How to download and save a file from Internet using Java?

...m fos = new FileOutputStream("information.html"); fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); Using transferFrom() is potentially much more efficient than a simple loop that reads from the source channel and writes to this channel. Many operating systems can transfer bytes directly from...
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S3 Static Website Hosting Route All Paths to Index.html

...lt;/script> This grabs the hash and turns it into an HTML5 pushState. From this point on you can use pushStates to have non-hash-bang paths in your app. share | improve this answer | ...