16892 Developer Q&A Community

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 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

Excel VBA autofilter all but three

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c# - Console.Read not returning my int32

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

What's a quick way to comment/uncomment lines in Vim?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

linux - What is ":-!!" in C code?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

ssh "permissions are too open" error

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

git - Import existing source code to GitHub

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

Swift Beta performance: sorting arrays

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

performance - MySQL vs MongoDB 1000 reads

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

Find duplicate lines in a file and count how many time each line was duplicated?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

scala - What is the advantage of using abstract classes instead of traits?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

bash - How to obtain the number of CPUs/cores in Linux from the command line?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

Memoization in Haskell?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

machine learning - Python: tf-idf-cosine: to find document similarity

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

oop - How do you create a static class in C++?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

browser - What is a MIME type?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - updating table rows in postgres using subquery

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - How many levels of pointers can we have?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

Change IPython/Jupyter notebook working directory

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

IntelliJ: Working on multiple projects

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Spring: Why do we autowire the interface and not the implemented class?

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319 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

What is the difference between ${var}, "$var", and "${var}" in the Bash shell?

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210 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

syntax - Python integer incrementing with ++

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

templates - C++ SFINAE examples?

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610 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

Xcode 4 - slow performance

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - BufferedImage not being cleared before each rendering

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

http - Encrypt IDs in URL variables

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - Why is 'event' variable available even when not passed as a parameter?

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219 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

rust - How to update-or-insert on a Vec?

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196 views 1 answer

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