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David Xu
David Xu has asked
14
questions and find answers to
9
problems.
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399
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14
questions
9
answers
About
David Xu questions
Multiple Timezoning in Laravel/Carbon
Significant Location Changes - What guarantees do we have?
Laravel: Only allowing one session per user at a time
ReactJS: using object ref as {key}?
PureRenderMixin in an ES6 React component
What to do instead of SQL joins while scaling horizontally?
Pattern matching interview Q
How would you create a popover view in Android, like Facebook Comments?
David Xu answers
Laravel: Only allowing one session per user at a time
Round Up NSNumber
Is an array of vectors entirely contiguous memory?
How to downgrade this node.js module to specific version and prevent automatic upgrade later?
Check if a file exists without opening it
Why is my react component not updating with state updates?
What is the React.js way of handling visibility=hidden?
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