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Get item in the list in Scala?
...re is the quote from the book programming in scala.
Another important idea illustrated by this example will give you insight into why arrays are accessed with parentheses in Scala. Scala has fewer special cases than Java. Arrays are simply instances of classes like any other class in Scala. Whe...
Check if an apt-get package is installed and then install it if it's not on Linux
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--force-yes seems a poor idea. From man page: "This is a dangerous option that will cause apt-get to continue without prompting if it is doing something potentially harmful. It should not be used except in very special situations. Using --force-yes c...
IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...Library with the new things call Lifecycle component. It provides some new idea for this 'Can not perform this action after onSaveInstanceState' problem.
In short:
Use lifecycle component to determine if it's correct time for popping up your fragment.
Longer version with explain:
why this pro...
What happens if i return before the end of using statement? Will the dispose be called?
...add: because Dispose is guaranteed to be called, it's almost always a good idea to ensure that Dispose never throws an exception when you implement IDisposable. Unfortunately, there are some classes in the core library that do throw in certain circumstances when Dispose is called -- I'm looking at y...
Why isn't Python very good for functional programming? [closed]
...lenty of "functional-style" programming in Python, but I'd hardly say it's ideal.
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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...such as databases. Most cases you write your own page manager which has no idea about what is the data type stored in the page and just returns a void pointer. Its up to the higher levels to do a reinterpret cast and infer it as whatever they want.
– Sohaib
May...
Git push/clone to new server
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I'm not following this idea... doesn't this break the whole purpose of setting up a git server and actually using it to "transfer / copy / keep things in sync / backup" rather than zipping and using some other method?
– cregox...
How do I make an attributed string using Swift?
...ch the UIFont.systemFontOfSize(18) to UIFont(name: "Arial", size: 20). Any ideas?
– Unome
Nov 6 '14 at 21:22
UIFont(na...
sass --watch with automatic minify?
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If you are using JetBrains editors like IntelliJ IDEA, PhpStorm, WebStorm etc. Use the following settings in Settings > File Watchers.
Convert style.scss to style.css set the arguments
--no-cache --update $FileName$:$FileNameWithoutExtension$.css
and output paths t...
Fastest way to replace NAs in a large data.table
...onest, this is against my Intuition of the data.table Syntax and I have no idea why this works. Can anybody enlighten me?