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What is the difference between a HashMap and a TreeMap? [duplicate]
I started learning Java. When would I use a HashMap over a TreeMap?
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R memory management / cannot allocate vector of size n Mb
I am running into issues trying to use large objects in R. For example:
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C# equivalent to Java's charAt()?
I know we can use the charAt() method in Java get an individual character in a string by specifying its position. Is there an equivalent method in C#?
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Detecting iOS / Android Operating system
I've done some research, and this question has come up, but not in the way I intend. I'm building a page for a client that is a QR code landing, which is a place to download an application. So he doesn't have to print out 2 QR codes on a page, I'd like to detect the current operating system (Apple...
Get elements by attribute when querySelectorAll is not available without using libraries?
How can you do the equivalent to
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How can I recall the argument of the previous bash command?
Is there a way in Bash to recall the argument of the previous command?
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Multiple controllers with AngularJS in single page app
I want to know is how to use multiple controllers for a single page application. I have tried to figure it out and I've found questions very similar to mine, but there is just a ton of different answers solving a specific problem where you end up not using multiple controllers for a single page app....
Split list into smaller lists (split in half)
I am looking for a way to easily split a python list in half.
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How do I pass a unique_ptr argument to a constructor or a function?
I'm new to move semantics in C++11 and I don't know very well how to handle unique_ptr parameters in constructors or functions. Consider this class referencing itself:
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efficient circular buffer?
I want to create an efficient circular buffer in python (with the goal of taking averages of the integer values in the buffer).
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