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Get last n lines of a file, similar to tail

I'm writing a log file viewer for a web application and for that I want to paginate through the lines of the log file. The items in the file are line based with the newest item on the bottom. ...
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How to convert a std::string to const char* or char*?

How can I convert an std::string to a char* or a const char* ? 8 Answers 8 ...
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Count occurrences of a char in plain text file

Is there any way under linux/terminal to count, how many times the char f occurs in a plain text file? 5 Answers ...
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What regex will match every character except comma ',' or semi-colon ';'?

Is it possible to define a regex which will match every character except a certain defined character or set of characters? ...
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How do I find the time difference between two datetime objects in python?

How do I tell the time difference in minutes between two datetime objects? 15 Answers ...
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CSS triangle custom border color

Attempting to use a custom hex color for my css triangle (border). However since it uses border properties I am unsure how to go about doing this. I would like to steer clear of javascript and css3 simply because of compatibility. I am trying to have the triangle have a white background with a 1px b...
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Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets

I would like to place an icon left of the two lines of text such that there's about 2-3 pixels of space between the image and the start of text. The control itself is Center aligned horizontally (set through Interface Builder) ...
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Expand a random range from 1–5 to 1–7

Given a function which produces a random integer in the range 1 to 5, write a function which produces a random integer in the range 1 to 7. ...
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How to write the Fibonacci Sequence?

I had originally coded the program wrongly. Instead of returning the Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 should = only those numbers between 1 & 20), I have written for the program to display all Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 displa...
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How do I create a list of random numbers without duplicates?

I tried using random.randint(0, 100) , but some numbers were the same. Is there a method/module to create a list unique random numbers? ...