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What is the difference between gsub and sub methods for Ruby Strings
I have been perusing the documentation for String today, and I saw the :sub method, which I'd never noticed before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks!
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How do I create directory if it doesn't exist to create a file?
I have a piece of code here that breaks if the directory doesn't exist:
6 Answers
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What is the shortcut to Auto import all in Android Studio?
Is there any way of auto importing (like in Eclipse Shift + Ctrl + O ) in Android Studio ?
11 Answers
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Split List into Sublists with LINQ
Is there any way I can separate a List<SomeObject> into several separate lists of SomeObject , using the item index as the delimiter of each split?
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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]
a "problem" which i have every now and then is that i have an object e.g. user = {} and through the course of using the app this gets populated. Let's say somwhere, after an AJAX call or something i do this:
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What are JavaScript's builtin strings?
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How to turn off word wrapping in HTML?
...ak-word , but cannot be forced off (only can be left alone with normal value).
4 Answers
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Function Pointers in Java
This may be something common and trivial, but I seem to be having trouble finding a concrete answer. In C# there is a concept of delegates, which relates strongly to the idea of function pointers from C++. Is there a similar functionality in Java? Given that pointers are somewhat absent, what is the...
Python: Get relative path from comparing two absolute paths
Say, I have two absolute paths. I need to check if the location referring to by one of the paths is a descendant of the other. If true, I need to find out the relative path of the descendant from the ancestor. What's a good way to implement this in Python? Any library that I can benefit from?
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Getting the parent div of element
This should be really simple but I'm having trouble with it. How do I get a parent div of a child element?
7 Answers
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