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linux - Difference of FICLONE vs FICLONERANGE vs copy_file_range (for copy-on-write support)

I wonder about an efficient way to copy files (on Linux, on a FS which supports copy-on-write ( ... started researching about the differences between FICLONE and copy_file_range.)...

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chrome: webcam flickering in chrome ubuntu 20.04

i have updated my ubuntu from 18.04 lts to 20.04 lts when i access my webcam in chrome using this extension i can see my ... (64-bit) can any one guide what is causing the issue ?...

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c - My code runs in VSCode but does not run in DevC

#include <stdlib.h> #include <stdio.h> void arraydescending(int array[]){ for (int j=0; j<9; j++){ for (int i ... the reason behind it, my code looks like it has not any mistakes....

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

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javascript - Cypress having trouble importing page objects in BDD step definition file

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

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

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c - How exactly is the program running?

I am a beginner in C and I came across a code which went like this: #include<stdio.h> int main() { int k=35; ... others, I tried an online compiler, but the results are the same....

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

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python - How to create dictionary with Bs4 and requests?

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

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How to use Winston Logger in NestJS separate module that doesn't use Classes

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

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一个循环遍历逻辑问题就指教，计算次数判断

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

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How to properly generate a list from other two lists according to a condition in Flutter

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

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

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求教(SystemJS) Can't resolve all parameters for AppComponent 如何解决

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

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medoo框架读取表数据很慢

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

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cannot upgrade laravel version to 7 from 6.20.8

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

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jquery - BusLayout with dynamic

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

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mongodb 配置启动问题

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

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Allow communication on specific ports between two Docker containers on different bridge networks

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

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

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Gitlab job to run ONLY ONCE when Merge Request is created

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

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

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scrapy shell 报错521

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

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html - Thymeleaf: concatenate expressions

I have this expression <h2 class="topmargin_0 bottommargin_30" th:text="${user.name} || ${user.age} || ' years old'" ... the app. I have this error: Could not parse as expression:...

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

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angular 报错

index,html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script src=" ... $routeProvider.when('/findMusic', { template: 'aaaaaa' }) }])...

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

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Java - String splitting

I read a txt with data in the following format: Name Address Hobbies Example(Bob Smith ABC Street Swimming) and Assigned it into ... (); } String[] temp = z.split(" ");...

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

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python - Converting the Numbers into equivalent Roman Numerals

I have tried the Number Conversion into its equivalent Roman numerals. Please suggest me to reduce the implementation of the ... Numbers into Roman: Enter the number :199 CXCIX**...

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

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python - Count the number of males and females in a csv file

Suppose I have this csv file named sample.csv: CODE AGE SEX CITY ---- --- --- ---- E101 25 M New York E102 42 F New ... M : 2 F : 2 Where should I start and how should I code it?...

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

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