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)

ruby-on-rails - 如何回滚特定的迁移？(How to rollback a specific migration?)

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548 views 1 answer

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

html - <button>与</button> <button><input type=“button” /></button> <button>。</button> <button>使用哪个？</button>(<button> vs. <input type=“button” />. Which to use?)

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249 views 1 answer

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

python - arr .__ len __（）是获取Python数组长度的首选方法吗？(Is arr.__len__() the preferred way to get the length of an array in Python?)

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408 views 1 answer

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

c# - 如何枚举枚举？(How to enumerate an enum?)

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249 views 1 answer

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

python - 如何检查列表是否为空？(How do I check if a list is empty?)

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233 views 1 answer

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

python - 终止Python脚本(Terminating a Python script)

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436 views 1 answer

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

php - 如何修复“警告：mysqli :: __ construct（）：（HY000 / 1045）：用户'user'@'localhost'的访问被拒绝（使用密码：是）”(How to fix “Warning: mysqli::__construct(): (HY000/1045): Access denied for user 'user'@'localhost' (using password: YES)” on MacOS)

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433 views 1 answer

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

javascript - 如何替换所有出现的字符串？(How to replace all occurrences of a string?)

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432 views 1 answer

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

jquery - 在输入文本框中获取值(Get the value in an input text box)

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360 views 1 answer

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

android-mediaplayer - 我们可以使用exoplayer在opengl SurfaceTexture上渲染视频吗？(Can we use exoplayer to render a video on a opengl SurfaceTexture?)

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720 views 1 answer

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

reactjs - React Typescript-类型的参数不能分配给类型的参数(React Typescript - Argument of type is not assignable to parameter of type)

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513 views 1 answer

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

python - 来自aio_pika的robust_connection没有重新连接(robust_connection from aio_pika not reconnecting)

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186 views 1 answer

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

python - 找出日期是周末还是工作日(Finding out whether a date is a weekend or weekday)

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462 views 1 answer

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

ruby - 如何安装特定版本的ruby gem？(How to install a specific version of a ruby gem?)

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503 views 1 answer

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

arrays - 如何在遵循相同顺序的同时更改数组的开始和结束项目？(How can I change the starting and ending items of an array while following the same order?)

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434 views 1 answer

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

oracle - ORA-00054：资源正忙并且在指定了NOWAIT的情况下进行获取或超时已过期(ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired)

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493 views 1 answer

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

android - Recyclerview不显示Firebase中的数据(Recyclerview not showing data from Firebase)

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183 views 1 answer

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

sql - 如何在两列数据类型均为日期的Oracle的两列之间，以分钟为单位，最多到小数点后两位小数？(How to find difference in minute up to two decimal between two column in Oracle where both column datatype is date?)

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446 views 1 answer

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

ios - 可以访问选项值而不是仅选择索引的自定义选择器(Custom picker with access to option value instead of just selected index)

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419 views 1 answer

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

windows - 如何从证书和私钥创建.pfx文件？(How to create .pfx file from certificate and private key?)

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487 views 1 answer

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

javascript - 如何检索HTML元素的实际宽度和高度？(How do I retrieve an HTML element's actual width and height?)

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431 views 1 answer

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

javascript - 如何在Node.js的console.log（）中获得完整的对象，而不是“ [Object]”？(How can I get the full object in Node.js's console.log(), rather than '[Object]'?)

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362 views 1 answer

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

search - 如何在Vim中进行不区分大小写的搜索(How to do case insensitive search in Vim)

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465 views 1 answer

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

javascript - 在React中重置表单输入值(Reset form input values in React)

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221 views 1 answer

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

python - 在django中将pk传递给CreateView表单(pass pk to CreateView form in django)

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425 views 1 answer

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

sql - 在以SQL Server中的特定字符开头的字段中查找文本的特定部分(finding specific part of text in a field which starts with a specific character in SQL server)

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368 views 1 answer

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

python - 我想用python编写ROT 13编码器(I want to write an ROT 13 Encoder in python)

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234 views 1 answer

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

ruby - 如何在ruby gem SearchKick中将字段添加到ElasticSearch以便按顺序排序(How to add a field to ElasticSearch in order to order by it in ruby gem SearchKick)

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459 views 1 answer

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