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 Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

vim - 如何有效地在Vim中处理多个文件？(How to effectively work with multiple files in Vim?)

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324 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

mysql - 将MySQL转换为SQlite(Convert MySQL to SQlite)

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328 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

json - Spark：为JSON字符串生成JSON模式(Spark: Generating JSON schema for a JSON string)

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541 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

r - R中13个行索引之间的欧式距离置换(Permutation of euclidean distances between 13 row indexes in R)

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293 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - 如何在Python中注释掉一段代码[重复](How to comment out a block of code in Python [duplicate])

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466 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - 访问dict键，如果不存在，则返回None(Access dict key and return None if doesn't exist)

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346 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - SQL SELECT WHERE字段包含单词(SQL SELECT WHERE field contains words)

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294 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - const int *，const int * const和int const *有什么区别？(What is the difference between const int*, const int * const, and int const *?)

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302 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

hadoop - Hadoop猪不能mkdir Java抛出IO异常(hadoop pig cannot mkdir java throw IO exception)

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474 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - numpy矩阵的有效着色值？(Efficient colorization of numpy matrix by value?)

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402 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

orm - 什么是ORM（对象关系映射）中的“ N + 1选择问题”？(What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?)

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1.1k views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

windows - 如何在Windows CMD的一行中运行两个命令？(How do I run two commands in one line in Windows CMD?)

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377 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

visual-studio - 您如何计算Visual Studio解决方案中的代码行？(How do you count the lines of code in a Visual Studio solution?)

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486 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - 如何使用Selenium Python最小化您的Chrome浏览器？(How To Minimize Your Chrome Browser With Selenium Python?)

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326 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++ - std :: string to char *(std::string to char*)

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203 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

c - 将矩阵的行数重新分配为大于初始值的数字(Reallocating a matrix' row count to a number larger than the initial value)

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460 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - 试图弄清楚为什么console.log被执行两次[重复](Trying to figure out why does console.log gets executed twice [duplicate])

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436 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - Python的__init__和self是做什么的？(What __init__ and self do on Python?)

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216 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - 在每个GROUP BY组中选择第一行？(Select first row in each GROUP BY group?)

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345 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - 如何创建一个包含1…N的数组(How to create an array containing 1…N)

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267 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - 将ArrayList转换为字符串的最佳方法(Best way to convert an ArrayList to a string)

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454 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

asp.net - Asp.net验证和控件(Asp.net Validations and controls)

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163 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

c# - 如何将C＃对象转换为.NET中的JSON字符串？(How do I turn a C# object into a JSON string in .NET?)

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407 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - 检测移动设备的最佳方法是什么？(What is the best way to detect a mobile device?)

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547 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

windows - 文本编辑器打开大（巨型，巨大，大）文本文件(Text editor to open big (giant, huge, large) text files [closed])

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451 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

git - 我怎么知道分支是否已经合并到master中？(How can I know if a branch has been already merged into master?)

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556 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

git - 如何访问SSH公钥？(How do I access my SSH public key?)

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244 views 1 answer

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

node.js - 无法使用具有package.json文件的卷构建Node容器以运行npm install(Can't build Node container with volume with package.json file to run npm install)

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457 views 1 answer

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