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How to skip over an element in .map()?

...tion would have kept it. update — This question gets a lot of attention, and I'd like to add the following clarifying remark. The purpose of .map(), as a concept, is to do exactly what "map" means: transform a list of values into another list of values according to certain rules. Just as a paper m...
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Centering a background image, using CSS

...ter center; That should work. If not, why not make a div with the image and use z-index to make it the background? This would be much easier to center than a background image on the body. Other than that try: background-position: 0 100px;/*use a pixel value that will center it*/ Or I think you ...
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Is it possible to disable floating headers in UITableView with UITableViewStylePlain?

...es'. I'm using the headers of the table view to layout certain images etc. and I'd prefer it if they didn't float but stayed static as they do when the style is set to UITableViewStyleGrouped . ...
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Which Python memory profiler is recommended? [closed]

I want to know the memory usage of my Python application and specifically want to know what code blocks/portions or objects are consuming most memory. Google search shows a commercial one is Python Memory Validator (Windows only). ...
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How to print formatted BigDecimal values?

I have a BigDecimal field amount which represents money, and I need to print its value in the browser in a format like $123.00 , $15.50 , $0.33 . ...
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Read entire file in Scala?

What's a simple and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.) ...
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log messages appearing twice with Python Logging

I'm using Python logging, and for some reason, all of my messages are appearing twice. 8 Answers ...
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Hide/Show Column in an HTML Table

I have an HTML table with several columns and I need to implement a column chooser using jquery. When a user clicks on a checkbox I want to hide/show the corresponding column in the table. I would like to do this without attaching a class to every td in the table, is there a way to select an entir...
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How to change package name of Android Project in Eclipse?

I have an Android project created in Eclipse . I want to modify the package name and application of the project. How do I do that in Eclipse? ...
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What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`

...mber to use square brackets there. Ruby doesn't have tuples, just arrays, and those use square brackets. share | improve this answer | follow | ...