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Difference between JSON.stringify and JSON.parse
I have been confused over when to use these two parsing methods.
16 Answers
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How to print third column to last column?
I'm trying to remove the first two columns (of which I'm not interested in) from a DbgView log file. I can't seem to find an example that prints from column 3 onwards until the end of the line. Note that each line has variable number of columns.
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When should I use nil and NULL in Objective-C?
This is sample code:
16 Answers
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POST request via RestTemplate in JSON
I didn't find any example how to solve my problem, so I want to ask you for help. I can't simply send POST request using RestTemplate object in JSON
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Get visible items in RecyclerView
I need to know which elements are currently displayed in my RecyclerView. There is no equivalent to the OnScrollListener.onScroll(...) method on ListViews. I tried to work with View.getGlobalVisibleRect(...) , but that hack is too ugly and does not always work too.
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What is the purpose of double curly braces in React's JSX syntax?
From the react.js tutorial we see this usage of double curly braces:
7 Answers
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Copying text outside of Vim with set mouse=a enabled
After enabling set mouse=a , text copied inside of Vim will not paste outside of Vim. Does anybody know of a way to fix this?
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How to find all occurrences of a substring?
Python has string.find() and string.rfind() to get the index of a substring in a string.
20 Answers
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Contains method for a slice
Is there anything similar to a slice.contains(object) method in Go without having to do a search through each element in a slice?
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How to get rid of the 'undeclared selector' warning
I want to use a selector on an NSObject instance without the need for an implemented protocol. For example, there's a category method that should set an error property if the NSObject instance it's called on supports it. This is the code, and the code works as intended:
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