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How to convert a string into double and vice versa?
I want to convert a string into a double and after doing some math on it, convert it back to a string.
12 Answers
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How to get rid of the 'undeclared selector' warning
I want to use a selector on an NSObject instance without the need for an implemented protocol. For example, there's a category method that should set an error property if the NSObject instance it's called on supports it. This is the code, and the code works as intended:
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How do I log errors and warnings into a file?
How do I turn on all error and warnings and log them to a file, but to set up all of that within the script (not changing anything in php.ini)?
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Min/Max of dates in an array?
How can I find out the min and the max date from an array of dates? Currently, I am creating an array like this:
11 Answers...
Zero-based month numbering [closed]
Some popular programming languages use month numbering which is off by 1 -- JavaScript comes to mind, as does Java, and if memory serves, C is another. I have some questions:
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Is it possible to embed animated GIFs in PDFs?
Is it possible to embed animated GIFs in PDFs? And how might I go about such a thing? are there any dangers I should be aware of?
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IntelliJ IDEA: Move line?
I really like IntelliJ IDEA's "Move statement" shortcut ( Ctrl + Shift + ↑ / ↓ ). However -- I am not sure if this is a bug releated to ActionScript editing only -- move statement is not always what I want and sometimes it is not correct when editing AS code.
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Combine Date and Time columns using python pandas
I have a pandas dataframe with the following columns;
11 Answers
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UIScrollView not scrolling
I have a UIScrollView which contains many UIImageView s, UILabels, etc... the labels are much longer that the UIScrollView , but when I run the app, I cannot click and scroll down...
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Preloading images with JavaScript
Is the function I wrote below enough to preload images in most, if not all, browsers commonly used today?
14 Answers
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