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Find running median from a stream of integers

...based solution works is explained below: For the first two elements add smaller one to the maxHeap on the left, and bigger one to the minHeap on the right. Then process stream data one by one, Step 1: Add next item to one of the heaps if next item is smaller than maxHeap root add it to maxHea...
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How to get instance variables in Python?

Is there a built-in method in Python to get an array of all a class' instance variables? For example, if I have this code: ...
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JavaScript variable assignments from tuples

... Javascript 1.7 added destructured assignment which allows you to do essentially what you are after. function getTuple(){ return ["Bob", 24]; } var [a, b] = getTuple(); // a === "bob" , b === 24 are both true ...
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Objective-C and Swift URL encoding

...ww"; NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]]; NSLog(@"escapedString: %@", escapedString); NSLog output: escapedString: http%3A%2F%2Fwww The following are useful URL encoding character sets: URLFragm...
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If isset $_POST

.... empty space is considered as set. You need to use empty() for checking all null options. share | improve this answer | follow | ...
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What is the default text size on Android?

...ues are defined within the following TextAppearances: - TextAppearance.Small - TextAppearance.Medium - TextAppearance.Large More information about Typography can be found in the design guidelines Related to your question: If you don't set a custom textSize or textAppearance, TextAppearance.S...
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How to delete a whole folder and content?

...delete the DCIM folder because it is a system folder. As you delete it manually on phone it will delete the contents of that folder, but not the DCIM folder. You can delete its contents by using the method below: Updated as per comments File dir = new File(Environment.getExternalStorageDirectory()...
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What's the use of ob_start() in php?

...Think of ob_start() as saying "Start remembering everything that would normally be outputted, but don't quite do anything with it yet." For example: ob_start(); echo("Hello there!"); //would normally get printed to the screen/output to browser $output = ob_get_contents(); ob_end_clean(); There a...
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Python speed testing - Time Difference - milliseconds

...e timedelta! For timing purposes always use c.total_seconds(). You can do all sorts of maths with datetime.timedelta, eg: >>> c / 10 datetime.timedelta(0, 0, 431654) It might be more useful to look at CPU time instead of wallclock time though ... that's operating system dependant though...
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What tools are there for functional programming in C?

...ing in C ( not C++). Obviously, C is a procedural language and doesn't really support functional programming natively. 13...