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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]

...ith something like map or collect would be built in, and nobody has to see all the hoops the compiler has to go through to make them work smoothly. In Scala, it's all in a library, and therefore out in the open. In fact the functionality of map that's supported by its complicated type is pretty adv...
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Java regex email

First of all, I know that using regex for email is not recommended but I gotta test this out. 20 Answers ...
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How can I convert a series of images to a PDF from the command line on linux? [closed]

...rver I wrote in cgi/bash and want to be able to convert a bunch of images (all in one folder) to a pdf from the command line. How can that be done? ...
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Performance of Arrays vs. Lists

... Very easy to measure... In a small number of tight-loop processing code where I know the length is fixed I use arrays for that extra tiny bit of micro-optimisation; arrays can be marginally faster if you use the indexer / for form - but IIRC believe it dep...
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Restoring Nuget References?

... Try re-installing the packages. In the NuGet Package Manager Console enter the following command: Update-Package -Reinstall -ProjectName Your.Project.Name If you want to re-install packages and restore references for the whole soluti...
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ssl_error_rx_record_too_long and Apache SSL [closed]

...default_:443> Error code: ssl_error_rx_record_too_long This usually means the implementation of SSL on your server is not correct. The error is usually caused by a server side problem which the server administrator will need to investigate. Below are some things we recommend trying....
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How to run an EXE file in PowerShell with parameters with spaces and quotes

...mand starting with a string it just evaluates the string, that is, it typically echos it to the screen, for example: PS> "Hello World" Hello World If you want PowerShell to interpret the string as a command name then use the call operator (&) like so: PS> & 'C:\Program Files\IIS\Mi...
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How can I merge properties of two JavaScript objects dynamically?

...Later properties overwrite earlier properties with the same name. */ const allRules = {...obj1, ...obj2, ...obj3}; Here is also the MDN documentation for this syntax. If you're using babel you'll need the babel-plugin-transform-object-rest-spread plugin for it to work. ECMAScript 2015 (ES6) Stand...
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Parsing XML with namespace in Python via 'ElementTree'

...tTree is not too smart about namespaces. You need to give the .find(), findall() and iterfind() methods an explicit namespace dictionary. This is not documented very well: namespaces = {'owl': 'http://www.w3.org/2002/07/owl#'} # add more as needed root.findall('owl:Class', namespaces) Prefixes a...
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UICollectionView current visible cell index

... The method [collectionView visibleCells] give you all visibleCells array you want. Use it when you want to get - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{ for (UICollectionViewCell *cell in [self.mainImageCollection visibleCells]) { NSIndexP...