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std::string to float or double
I'm trying to convert std::string to float/double .
I tried:
15 Answers
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How to get .app file of a xcode application
I have created an xcode project. Now I want to give .app file to my friend to use that application. From where do I get this file? How to install this .app file in his Applications folder using an installer package?
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What file uses .md extension and how should I edit them?
On GitHub, several projects have README.md files. It seems like a simple format file to express text and pictures.
16 An...
Test for equality among all elements of a single vector
I'm trying to test whether all elements of a vector are equal to one another. The solutions I have come up with seem somewhat roundabout, both involving checking length() .
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How can I split and trim a string into parts all on one line?
I want to split this line:
8 Answers
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How to prepend a string to a column value in MySQL?
I need a SQL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value.
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Why java.io.File doesn't have a close() method?
While java.io.RandomAccessFile does have a close() method java.io.File doesn't. Why is that? Is the file closed automatically on finalization or something?
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How to import CSV file data into a PostgreSQL table?
How can I write a stored procedure that imports data from a CSV file and populates the table?
18 Answers
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Find all records which have a count of an association greater than zero
I'm trying to do something that I thought it would be simple but it seems not to be.
10 Answers
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CSS '>' selector; what is it? [duplicate]
I've seen the "greater than" ( > ) used in CSS code a few times, but I can't work out what it does. What does it do?
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