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What is the difference between ndarray and array in numpy?

...r are used. If buffer is an object exposing the buffer interface, then all keywords are interpreted. The example below gives a random array because we didn't assign buffer value: np.ndarray(shape=(2,2), dtype=float, order='F', buffer=None) array([[ -1.13698227e+002, 4.25087011e-303], ...
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How to test equality of Swift enums with associated values

...d values. So if you're on Swift 4.1 or newer, the following will automatically synthesize the necessary methods such that XCTAssert(t1 == t2) works. The key is to add the Equatable protocol to your enum. enum SimpleToken: Equatable { case Name(String) case Number(Int) } let t1 = SimpleToke...
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What are 'get' and 'set' in Swift?

... That's actually explained right before the code: In addition to simple properties that are stored, properties can have a getter and a setter. class EquilateralTriangle: NamedShape { ... When some other class wants to get that pe...
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Using the HTML5 “required” attribute for a group of checkboxes?

... checked. Following is your html code (make sure that you add required for all the elements in the group.) <input type="checkbox" name="option[]" id="option-1" value="option1" required/> Option 1 <input type="checkbox" name="option[]" id="option-2" value="option2" required/> Option 2 &l...
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Evenly distributing n points on a sphere

...ating an array N points and node[k] is the kth (from 0 to N-1). If that is all that is confusing you, hopefully you can use that now. (in other words, k is an array of size N that is defined before the code fragment starts, and which contains a list of the points). Alternatively, building on the o...
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ASP.NET MVC RequireHttps in Production Only

...onal compilation could do the job... #if !DEBUG [RequireHttps] //apply to all actions in controller #endif public class SomeController { //... or ... #if !DEBUG [RequireHttps] //apply to this action only #endif public ActionResult SomeAction() { } } Update In Visual Basic, ...
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“java.lang.OutOfMemoryError: PermGen space” in Maven build [duplicate]

...etting this error while building Maven project, I increased MAVEN_OPTS but all the same, I found some similar posts but they are refering to something else. How do I fix this? ...
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Why do loggers recommend using a logger per class?

...ogger.DebugFormat("File not found: {0}", _filename); // Logger determines caller -- or -- Logger.DebugFormat(this, "File not found: {0}", _filename); // Pass in the caller Using the second example, the Logger would need to build a stack trace to see who was calling it or your code would always h...
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PHP Session Fixation / Hijacking

...cker explicitly sets the session identifier of a session for a user. Typically in PHP it's done by giving them a url like http://www.example.com/index...?session_name=sessionid. Once the attacker gives the url to the client, the attack is the same as a session hijacking attack. There are a few way...
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Fastest way to determine if an integer is between two integers (inclusive) with known sets of values

...s an old trick to do this with only one comparison/branch. Whether it'll really improve speed may be open to question, and even if it does, it's probably too little to notice or care about, but when you're only starting with two comparisons, the chances of a huge improvement are pretty remote. The c...