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Capture Image from Camera and Display in Activity

... Update (2020) Google has added a new ActivityResultRegistry API that "lets you handle the startActivityForResult() + onActivityResult() as well as requestPermissions() + onRequestPermissionsResult() flows without overriding methods in your Activity or Fragment, brings increased type s...
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Using Java to find substring of a bigger string using Regular Expression

...within the square brackets in the first group. Have a look at the Pattern API Documentation for more information. To extract the string, you could use something like the following: Matcher m = MY_PATTERN.matcher("FOO[BAR]"); while (m.find()) { String s = m.group(1); // s now contains "BAR...
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Why shouldn't all functions be async by default?

...ally not good - it's hiding the fact that you're using CPU cycles under an API that appears to be asynchronous, but is really not necessarily truly asynchronous. share | improve this answer ...
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How do I ignore the initial load when watching model changes in AngularJS?

...in the $scope.fieldcontainer property. After I get a response from my REST API (via $resource), I add a watch to 'fieldcontainer'. I am using this watch to detect if the page/entity is "dirty". Right now I'm making the save button bounce but really I want to make the save button invisible until the ...
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How to know when UITableView did scroll to bottom in iPhone

...pens even when user has already scrolled to bottom and are waiting for the API to return data. – Dean Jul 14 '14 at 6:45 2 ...
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Mapping composite keys using EF code first

...617(v=vs.113).aspx 2) How to add a composite unique key using EF 6 Fluent Api? share | improve this answer | follow | ...
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What does the slash mean in help() output?

...eters. Before Python 3.8, such parameters could only be specified in the C API. It means the key argument to __contains__ can only be passed in by position (range(5).__contains__(3)), not as a keyword argument (range(5).__contains__(key=3)), something you can do with positional arguments in pure-py...
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What is a wrapper class?

...it sounds like: a class that "wraps" the functionality of another class or API in a simpler or merely different API. See: Adapter pattern, Facade pattern share | improve this answer | ...
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How do I check which version of NumPy I'm using?

... This is not the public API, numpy.__version__ is. – David Cournapeau Nov 22 '11 at 10:10 12 ...
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Exact difference between CharSequence and String in java [duplicate]

...in the interface being defined years after the implementation. So in older APIs we often see String while in newer APIs we tend to see CharSequence used to define arguments and return types. Details Nowadays we know that generally an API/framework should focus on exporting interfaces primarily and...