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Using bitwise OR 0 to floor a number

A colleague of mine stumbled upon a method to floor float numbers using a bitwise or: 6 Answers ...
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Ruby, remove last N characters from a string?

What is the preferred way of removing the last n characters from a string? 13 Answers ...
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Hide separator line on one UITableViewCell

I'm customizing a UITableView . I want to hide the line separating on the last cell ... can i do this? 37 Answers ...
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How to extract numbers from a string and get an array of ints?

I have a String variable (basically an English sentence with an unspecified number of numbers) and I'd like to extract all the numbers into an array of integers. I was wondering whether there was a quick solution with regular expressions? ...
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How do I include negative decimal numbers in this regular expression?

How do I match negative numbers as well by this regular expression? This regex works fine with positive values, but I want it to also allow negative values e.g. -10, -125.5 etc. ...
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How to calculate the number of occurrence of a given character in each row of a column of strings?

I have a data.frame in which certain variables contain a text string. I wish to count the number of occurrences of a given character in each individual string. ...
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How can I declare and define multiple variables in one line using C++?

I always though that if I declare these three variables that they will all have the value 0 10 Answers ...
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How to read a .xlsx file using the pandas Library in iPython?

I want to read a .xlsx file using the Pandas Library of python and port the data to a postgreSQL table. 6 Answers ...
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How can I remove a flag in C?

There is a variable that holds some flags and I want to remove one of them. But I don't know how to remove it. 3 Answers ...
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How to create a sequence of integers in C#?

F# has sequences that allows to create sequences: 8 Answers 8 ...