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asked Feb 5, 2021 in Others[杂七杂八] by ostack (1.4k points)

Welcome to Our Knowledge Sharing Community-Open, Learning,Share

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

language agnostic - What are bitwise shift (bit-shift) operators and how do they work?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

JavaScript by reference vs. by value

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - Fastest way to list all primes below N

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - What is meant by Resource Acquisition is Initialization (RAII)?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

What are C++ functors and their uses?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - Change column type in pandas

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

c - How dangerous is it to access an array out of bounds?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

validation - Validate decimal numbers in JavaScript - IsNumeric()

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

What are POD types in C++?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - When should I use a return statement in ES6 arrow functions

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - Use of *args and **kwargs

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

Are static class variables possible in Python?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - How can you dynamically create variables?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

css - Make a div span two rows in a grid

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

r - How to import multiple .csv files at once?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

if statement - Why non-equality check of one variable against many values always returns true?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - What is a serialVersionUID and why should I use it?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

r - Select the row with the maximum value in each group

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312 views 1 answer

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - How to round to at most 2 decimal places, if necessary?

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382 views 1 answer

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - Short circuit Array.forEach like calling break

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

html - Max parallel HTTP connections in a browser?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - When is .then(success, fail) considered an antipattern for promises?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

oop - Interface vs Abstract Class (general OO)

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

html - Flexbox code working on all browsers except Safari. Why?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

What is the effect of extern "C" in C++?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

Java generics type erasure: when and what happens?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - jQuery AJAX submit form

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