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How to suppress scientific notation when printing float values?
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Initialising an array of fixed size in python [duplicate]
I would like to know how i can initialise an array(or list), yet to be populated with values, to have a defined size.
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Replacing NULL with 0 in a SQL server query
I have developed a query, and in the results for the first three columns I get NULL . How can I replace it with 0 ?
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Do you use NULL or 0 (zero) for pointers in C++?
In the early days of C++ when it was bolted on top of C, you could not use NULL as it was defined as (void*)0 . You could not assign NULL to any pointer other than void* , which made it kind of useless. Back in those days, it was accepted that you used 0 (zero) for null pointers.
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Regex group capture in R with multiple capture-groups
In R, is it possible to extract group capture from a regular expression match? As far as I can tell, none of grep , grepl , regexpr , gregexpr , sub , or gsub return the group captures.
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Swapping column values in MySQL
I have a MySQL table with coordinates, the column names are X and Y. Now I want to swap the column values in this table, so that X becomes Y and Y becomes X. The most apparent solution would be renaming the columns, but I don't want to make structure changes since I don't necessarily have permission...
Convert an image to grayscale in HTML/CSS
Is there a simple way to display a color bitmap in grayscale with just HTML/CSS ?
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Integer division with remainder in JavaScript?
In JavaScript , how do I get:
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Check if a string contains a string in C++
I have a variable of type std::string . I want to check if it contains a certain std::string . How would I do that?
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