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How to find all combinations of coins when given some dollar value
I found a piece of code that I was writing for interview prep few months ago.
35 Answers
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Why is auto_ptr being deprecated?
I heard auto_ptr is being deprecated in C++11. What is the reason for this?
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Insert space before capital letters
I have a string "MySites" . I want to place a space between My and Sites .
8 Answers
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What is a typedef enum in Objective-C?
I don't think I fundamentally understand what an enum is, and when to use it.
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How could the UNIX sort command sort a very large file?
The UNIX sort command can sort a very large file like this:
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How to open, read, and write from serial port in C?
I am a little bit confused about reading and writing to a serial port. I have a USB device in Linux that uses the FTDI USB serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1.
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Correctly determine if date string is a valid date in that format
I'm receiving a date string from an API, and it is formatted as yyyy-mm-dd .
16 Answers
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What is the best way to detect a mobile device?
Is there a way to detect whether or not a user is using a mobile device in jQuery? Something similar to the CSS @media attribute? I would like to run a different script if the browser is on a handheld device.
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Print an integer in binary format in Java
...ant to print it in binary. I don't want to do it by writing an algorithm, Is there any built-in function for that in Java?
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Recursive directory listing in DOS
How do we achieve a recursive directory listing in DOS?
5 Answers
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