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Can I use if (pointer) instead of if (pointer != NULL)?
Is it safe to check a pointer to not being NULL by writing simply if(pointer) or do I have to use if(pointer != NULL) ?
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Preferred way to create a Scala list
There are several ways to construct an immutable list in Scala (see contrived example code below). You can use a mutable ListBuffer, create a var list and modify it, use a tail recursive method, and probably others that I don't know about.
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How to make a smaller RatingBar?
I've added a RatingBar in a layout:
18 Answers
18
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How can I add an animation to the activity finish()
I'm using overridePendingTransition for when my activity is created and that works fine I can see the fade in works great, but when I try and animate the finish on the activity it is still doing the default right to left slide.
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How can I shuffle an array? [duplicate]
I want to shuffle an array of elements in JavaScript like these:
2 Answers
2
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How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
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How can I sort a List alphabetically?
I have a List<String> object that contains country names. How can I sort this list alphabetically?
13 Answers
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Duplicate keys in .NET dictionaries?
Are there any dictionary classes in the .NET base class library which allow duplicate keys to be used? The only solution I've found is to create, for example, a class like:
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Synchronizing a local Git repository with a remote one
...ne so that my local repository becomes a 100% copy of the remote one - meaning that if certain files differ in these repositories, we override the local ones with the remote ones, and if there are files in local repositories that do not exist in the remote, the local files get removed.
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