Are race conditions possible in single-threaded Node.js?
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238
Node.js
How to determine the presence of a property in an object?
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231
Live coding: determine the order of console output for code with Promise, setTimeout, and synchronous calls.
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228
What is the purpose of !important in CSS?
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221
What is the difference between Session Storage and Local Storage?
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215
Why are keys (key) needed in React lists?
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207
What is an index in a database and why is it needed?
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199
Are you familiar with the backpressure mechanism in streams?
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187
What is event bubbling and capturing in JavaScript?
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187
What are string locks and why are they needed?
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177
Live coding: write a function to check for a palindrome, ignoring spaces, punctuation, and case.
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176
What is inline style?
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176
What are the ways to store data in a browser?
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175
In which cases is an index not used? When is it better to use a hash index instead of a B-tree?
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173
What tests have you written on the backend? What libraries did you use?
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172
How to open a page in a new window when clicking on a link?
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171
Have you ever worked with streams in Node.js?
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171
What is the virtual DOM in React?
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170
Why is async/await needed?
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170
What is HAVING and how does it differ from WHERE?
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169