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Capture Image from Camera and Display in Activity

...s increased type safety via ActivityResultContract, and provides hooks for testing these flows" - source. The API was added in androidx.activity 1.2.0-alpha02 and androidx.fragment 1.3.0-alpha02. So you are now able to do something like: val takePicture = registerForActivityResult(ActivityResul...
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What's the difference between Ruby's dup and clone methods?

...zen object is also frozen (whereas a dup of a frozen object isn't). class Test attr_accessor :x end x = Test.new x.x = 7 x.freeze y = x.dup z = x.clone y.x = 5 => 5 z.x = 5 => TypeError: can't modify frozen object Another difference is with singleton methods. Same story here, dup doesn't ...
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Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]

...use. Or at least a higher speed cable/DSL broadband connection. On my last test ~3Mbps seemed sufficient on the low bandwidth profile (they have multiple bandwidth connection profiles, low, medium, high, optimized for some bandwidth ranges). I didn't test on the higher ones. Your mileage may vary. ...
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Apply multiple functions to multiple groupby columns

... @slackline yes. i just tested it and it works fine. Ted must have just created the frame a few different times and since it was created via random number generation, the df data to actually generate the data was different than the one ultimately us...
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Should I use JSLint or JSHint JavaScript validation? [closed]

... advice -- I've seen very few JavaScript codesets that could pass a JSLint test. However with the more pragmatic rules available in today's JSHint and ESLint tools, it is a much more realistic proposition to try to get your code passing through them with zero warnings. There may still occasionally ...
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What is the correct way to make a custom .NET Exception serializable?

... base.GetObjectData(info, context); } } } Unit Tests MSTest unit tests for the three exception types defined above. UnitTests.cs: namespace SerializableExceptions { using System; using System.Collections.Generic; using System.IO; using System.Runtime.Se...
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Favicon not showing up in Google Chrome [duplicate]

... http://support.google.com/chrome/bin/answer.py?hl=en&answer=95582 And test another browser. Some where able to get an updated favicon by adding an URL parameter: ?v=1 after the link href which changes the resource link and therefore loads the favicon without cache (thanks @Stanislav). <li...
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Polymorphism in C++

...as the term is used in Computing Science - it helps to start from a simple test for and definition of it. Consider: Type1 x; Type2 y; f(x); f(y); Here, f() is to perform some operation and is being given values x and y as inputs. To exhibit polymorphism, f() must be able to ...
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What is the C runtime library?

...this reason, some programming bugs are not discovered until the program is tested in a "live" environment with real data, despite sophisticated compile-time checking and pre-release testing. In this case, the end user may encounter a runtime error message. Usually the runtime library realizes m...
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Hide/Show Column in an HTML Table

...Source: Hide a Table Column with a Single line of jQuery code jsFiddle to test the code: http://jsfiddle.net/mgMem/1/ If you want to see a good use case, take a look at my blog post: Hide a table column and colorize rows based on value with jQuery. ...