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python - 将行写入文件的正确方法？(Correct way to write line to file?)

I'm used to doing print >>f, "hi there" (我习惯于print >>f, "hi there") However, it seems that print >> is getting ... 应该在Windows上执行"\r\n"吗？) ask by Yaroslav Bulatov translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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324 views

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node.js - npm抛出没有sudo的错误(npm throws error without sudo)

I just installed node and npm through the package on nodejs.org and whenever I try to search or install something with npm it ... ERR! not ok code 0 ask by Chad translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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428 views

1 answer

excel - 根据Excel中的条件返回日期(Return a date based on criteria in excel)

I have a table of athlete names, training sessions and dates they completed the sessions. (我有一张运动员姓名，训练课程和他们完成课程的日期的表格 ... I gone wrong ? (我哪里出问题了？) ask by Sophie translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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woocommerce - Woocommerce删除变化表（挂钩，操作）(Woocommerce remove variations table (hook, action))

I want to remove a variations section from single product in woocommerce. (我想从woocommerce中的单个产品中删除变体部分 ) On this links ... ;) Thank you (谢谢) ask by David Salcer translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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237 views

1 answer

python - 如何在Python的终端中打印彩色文本？(How to print colored text in terminal in Python?)

How can I output colored text to the terminal, in Python? (如何在Python中将彩色文本输出到终端？)What is the best Unicode symbol to ... 代表实体块的最佳Unicode符号是什么？) ask by aboSamoor translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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501 views

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reactjs - ReactJS：无法在未安装的组件上执行React状态更新(ReactJS : Can't perform a React state update on an unmounted component)

I'm trying to use the 'useHistory' (from react-router-dom) push method on a function that is called by onClick method. (我正在尝试 ... 因导致错误/警告的任何想法？) ask by teamdever translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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224 views

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android - Android布局文件中的“工具：上下文”是什么？(What's “tools:context” in Android layout files?)

Starting with a recent new version of ADT, I've noticed this new attribute on the layout XML files, for example: (从 ... 可用于ListView项目等吗？) ask by android developer translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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316 views

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python - 如何基于列值从DataFrame中选择行？(How to select rows from a DataFrame based on column values?)

How to select rows from a DataFrame based on values in some column in Python Pandas? (如何基于Python Pandas中某些列中的值从DataFrame选择行？) In ... 看熊猫文档，但没有立即找到答案 ) ask by szli translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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503 views

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git - 如何将特定提交推送到远程，而不是之前的提交？(How can I push a specific commit to a remote, and not previous commits?)

I have made several commits on different files, but so far I would like to push to my remote repository only a specific ... possible? (那可能吗？) ask by Robert23 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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585 views

1 answer

shell - 删除文本文件中包含特定字符串的行(Delete lines in a text file that contain a specific string)

我将如何使用sed删除文本文件中包含特定字符串的所有行？ ask by A Clockwork Orange translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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595 views

1 answer

time - Google表格的公式可以计算时间戳中24小时的剩余时间？(Formula of Google Sheet to compute the rest of 24 hour duration from a timestamp?)

In the cell A2 , there is the timestamp, say 21:35, I'd like to calculate the remaining time to midnight. (在单元格A2 ，有一个时间戳记， ... :00的常数表示为公式中的持续时间？) ask by Yu Shen translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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443 views

1 answer

mysql - 无法启动mysql？不知道从哪里开始(Unable to start mysql? Not sure where to start)

I know that mysql is installed: (我知道已安装mysql：) mysql --version And I get: (我得到：) Ver 8.0.18 for osx10.13 on x86_64 ( ... 何想法如何解决这个问题？)Thanks (谢谢) ask by henry translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer

javascript - Vimeo API方法中的变量“ undefined”(Variable `undefined` in Vimeo API method)

So I have embedded a vimeo video in my Angular 8 app and am now trying to trigger some animation after the video starts ... ended'); }); } ask by kontenurban translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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287 views

1 answer

python - 遍历Python中的列表(Looping over a list in Python)

I have a list with sublists in it. (我有一个带有子列表的列表 )I want to print all the sublists with length equal to 3. (我想打 ... ? (我必须在Eclipse中更改任何设置吗？) ask by user1188821 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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357 views

1 answer

html - CSS打印媒体查询仅打印第一页(css print media query prints only first page)

I use Print Media Query to print a scrollable DIV on my webpage (Main DIV contains a sub DIV and table with several rows and custom ... 上的控件关联的客户端事件 ) ask by Raja translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

1 answer

javascript - 有没有办法使用JavaScript使用完整字符串的一部分来获取它？(Is there a way to get the Complete String using a portion of it using JavaScript?)

In a GridView, the name of the table is getting generated dynamically. (在GridView中，表的名称是动态生成的 )but it will have the dynamic ... .color = "black"; } } } ask by Tim translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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335 views

1 answer

git - 回滚到公共回购中的旧Git提交(Rollback to an old Git commit in a public repo)

How can I go about rolling back to a specific commit in git? (我该如何回滚到git中的特定提交？) The best answer someone could give me ... 我不能使用reset，因为此存储库是公共的 ) ask by David translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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378 views

1 answer

jquery - jQuery获取select onChange的值(jQuery get value of select onChange)

I was under the impression that I could get the value of a select input by doing this $(this).val(); (我的印象是我可以通过执行 ... using this. (我该怎么做呢 ) ask by Robin Knight translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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288 views

1 answer

python - 查找和替换列表中的元素(finding and replacing elements in a list)

I have to search through a list and replace all occurrences of one element with another. (我必须搜索一个列表，然后用一个元素替换所有出现的元素 )So ... 目标是将数字1的所有实例替换为数字10 ) ask by James translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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233 views

1 answer

python - 如何在python 3.7中使用pip安装wordcloud(How to install wordcloud using pip in python 3.7)

I have been trying to pip install wordcloud for python 3.7 on Windows 10 but I keep on getting this error message which I ... appreciated. (帮助将不胜感激 ) ask by cs33 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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597 views

1 answer

android - 无法在编辑文本中输入文本，但光标可见(Can't type text in edit text, but cursor is visible)

I'm working with fragments. (我正在处理片段 )I've displayed a popup window on button click. (单击按钮后，我显示了一个弹出窗 ... EditText) v.findViewById(R.id.edtTitle); } ask by Ferose translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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359 views

1 answer

python - python上的正则表达式将字符串吐入特定序列(regex on python spiting a string into a specific sequence)

I have a string that may look like CITS/CPU/0218/2305CITS/VDU/0218/2305CITS/KEY/0218/2305 or CITS/CPU/0218/2305CITS/VDU/ ... suggestions? (有什么建议么？) ask by sakib11 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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349 views

1 answer

mysql - 插入MySQL表或更新（如果存在）(Insert into a MySQL table or update if exists)

I want to add a row to a database table, but if a row exists with the same unique key I want to update the row. (我想向数据库 ... IGNORE ，它将忽略该错误，但仍不会更新 ) ask by Keshan translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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265 views

1 answer

mysql - 如何将CSV文件导入MySQL表(How to import CSV file to MySQL table)

I have an unnormalized events-diary CSV from a client that I'm trying to load into a MySQL table so that I can refactor ... 确的位置 ) ask by Iain Samuel McLean Elder translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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492 views

1 answer

javascript - 我如何找出哪个DOM元素具有焦点？(How do I find out which DOM element has the focus?)

I would like to find out, in JavaScript, which element currently has focus. (我想用JavaScript找出当前关注的元素 )I've been looking ... 事件处理功能中转移焦点 ) ask by Tony Peterson translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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309 views

1 answer

pattern-matching - 为什么要从榆树中撤走警卫？(Why were case guards removed from Elm?)

Other functional programming languages have this feature, such as OCaml: (其他功能性编程语言具有此功能，例如OCaml：) match x with | _ when x < 10 - ... 榆木中表达相同的惯用方式是什么？) ask by ??? translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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383 views

1 answer

laravel - 如何更新laravel / homestead？(How to update laravel/homestead?)

I need to update laravel/homestead? (我需要更新laravel / homestead吗？)It is a Vagrant box. (这是一个无家可归的盒子 )I'm using ... 找不到它 )Please help (请帮忙) ask by Yevgeniy Afanasyev translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

centos - 在CentOS 7上打开防火墙端口(Open firewall port on CentOS 7)

I am using CentOS 7 and I have to ensure that ports 2888 and 3888 are open. (我正在使用CentOS 7，并且必须确保端口2888和3888已打开 ) I ... 开端口并使其在重启后不受影响？) ask by Knows Not Much translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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