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0 votes

432 views

1 answer

doit - Python doit：子任务产生相同的最新可调用对象(Python doit: subtask yields same uptodate callable)

I have an issue with the following code please. (我对以下代码有疑问 ) Forgive me if not, I am a python newbie. (如果没有，请原 ... 某种原因uptodate总是调用相同的对象 ) ask by Andrea Richiardi translate from so...

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

0 votes

424 views

1 answer

ios - 仅从iPhone获取新的/修改的电话联系人(Get only new/modified phone contacts from iPhone)

I want to import all phone contacts into app first time only and save on server. (我只想在第一次将所有电话联系人导入应用程序并保存在服务 ... better approach? (如何更好地实现？) ask by Harshal Wani translate from so...

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

0 votes

463 views

1 answer

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)

I'd like to search for an upper case word, for example COPYRIGHT in a file. (我想搜索大写单词，例如文件中的COPYRIGHT )I tried performing ... 示不区分大小写的正则表达式 ) ask by Haiyuan Zhang translate from so...

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

0 votes

827 views

1 answer

spring-boot - 我收到表单数据后，Spring MVC返回重定向不起作用(Spring MVC return redirect not working once I receive form data)

Can anyone review why the return redirect is not working? (谁能回顾为什么返回重定向不起作用？)My "/" route displays a form - I am ... return false; }) }) })``` ask by Shyam Gupta translate from so...

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

0 votes

434 views

1 answer

java - 运行2D游戏的配置IntelliJ(Run configuration IntelliJ for 2D game)

I was importing the source code of a Java game to my local IntelliJ (community edition 2.3.2019) and try to make it run. ... in advance. (提前谢谢了 ) ask by doct0re translate from so...

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

0 votes

466 views

1 answer

html - 使用CSS使div可垂直滚动(Making a div vertically scrollable using CSS)

This (这个) <div id="" style="overflow:scroll; height:400px;"> gives a div that the user can scroll in both in horizontally and ... 何更改它以使div 只能垂直滚动？) ask by Saswat translate from so...

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

0 votes

256 views

1 answer

python - 更改Pandas中列的数据类型(Change data type of columns in Pandas)

I want to convert a table, represented as a list of lists, into a Pandas DataFrame. (我想将表示为列表列表的表转换为Pandas DataFrame )As an ... 以保证的是，每一列都包含相同类型的值 ) ask by translate from so...

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

0 votes

292 views

1 answer

sql - 使用Python和Pyodbc时如何在SQL查询中使用变量(How to use variables in SQL query when using Python and pyodbc)

I am using Python to extract data from SQL by using ODBC to linking Python to SQL database. (我正在使用Python通过使用ODBC将Python链接到SQL数 ... (我怎样才能做到这一点？) ask by Feng Chen translate from so...

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

0 votes

458 views

1 answer

string - 如何检查字符串是否在Bash中包含子字符串(How to check if a string contains a substring in Bash)

I have a string in Bash: (我在Bash中有一个字符串：) string="My string" How can I test if it contains another string? (如何测试 ... a bit clumsy. (看起来有点笨拙 ) ask by davidsheldon translate from so...

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

0 votes

393 views

1 answer

sql - 如何根据条件从1条记录创建更多记录（SQL）(How to create more records from 1 record based on condition (SQL))

I am trying to create more records from 1 record based on some conditions. (我试图根据某些条件从1条记录创建更多记录 )For example: If the ... 此操作的任何想法？)Thanks (谢谢) ask by Shang Rong translate from so...

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

0 votes

247 views

1 answer

android - 如何注销所有应用程序(How to logout all application)

Good day...I working with two applications, and both applications a user have to be logged in.The first application after ... (); sendToLogin(); } ask by Liam translate from so...

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

0 votes

369 views

1 answer

sql - 如何优化此SQL Delete语句以提高速度(How to optimize this SQL Delete statement for faster speed)

There is a faster way to run this SQL delete than this one: (运行此SQL delete比此方法更快：) DELETE FROM TABLE ... DISTINCT(MAIN_TABLE.key) FROM MAIN_TABLE) ask by mister translate from so...

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

0 votes

410 views

1 answer

I used to be able to create a shared access signature on a Blob using the v11 Azure SDK API, like this: (我曾经能够使用v11 ... v12从BlobClient实例获取共享访问签名？) ask by Kzrystof translate from so...

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

0 votes

318 views

1 answer

android - 如何设置可见性Android软键盘(How to set visibility Android Soft Keyboard)

I have an EditText and a Button in my layout. (我的布局中有一个EditText和一个Button ) After writing in the edit field and clicking ... 但是在哪里可以找到示例呢？) ask by community wiki translate from so...

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

0 votes

253 views

1 answer

css - CSS显示属性上的过渡(Transitions on the CSS display property)

I'm currently designing a CSS 'mega dropdown' menu - basically a regular CSS-only dropdown menu, but one that contains ... 我想说的还有点不足 ) ask by RichardTape translate from so...

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

0 votes

469 views

1 answer

javascript - 手机上缩放的浏览器窗口上的固定位置div(Fixed position div on zoomed browser window on mobile)

When zooming an HTML page in a desktop browser a fixed position div will scale like the rest of the page and keep its ... 对Android Chrome更加感兴趣 ) ask by Piwakawaka translate from so...

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

0 votes

388 views

1 answer

java - 如何在Java中从另一个调用一个构造函数？(How do I call one constructor from another in Java?)

Is it possible to call a constructor from another (within the same class, not from a subclass)? (是否可以从另一个（在同一类中，而不是在子类中 ... 方法是什么（如果有几种方法可以做到）？) ask by ashokgelal translate from so...

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

0 votes

278 views

1 answer

css - ：not（）伪类可以有多个参数吗？(Can the :not() pseudo-class have multiple arguments?)

I'm trying to select input elements of all type s except radio and checkbox . (我试图选择除radio和checkbox之外的所有type s的input元素 ) ... } Any ideas? (有任何想法吗？) ask by delphi translate from so...

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

0 votes

163 views

1 answer

java - 如何在Scala中使用java.String.format？(How to use java.String.format in Scala?)

I am trying to use a .format method of a string. (我正在尝试使用字符串的.format方法 )But if I place %1, %2, etc. in the string, ... use Scala 2.8. (我使用Scala 2.8 ) ask by Ivan translate from so...

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

0 votes

591 views

1 answer

design-patterns - 静态类和单例模式之间的区别？(Difference between static class and singleton pattern?)

What real (ie practical) difference exists between a static class and a singleton pattern? (静态类和单例模式之间存在什么真正（即实用）的 ... difference? (还有其他区别吗？) ask by Jorge Córdoba translate from so...

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

0 votes

187 views

1 answer

r - data.table vs dplyr：一个人能做得好吗，另一个做不好或做得不好？(data.table vs dplyr: can one do something well the other can't or does poorly?)

Overview (概观) I'm relatively familiar with data.table , not so much with dplyr . (我对data.table比较熟悉，而不是dplyr ... group/apply/sort while dplyr was 40% faster on the smaller ones (...

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

0 votes

448 views

1 answer

git - 将现有未提交的工作移至Git中的新分支(Move existing, uncommitted work to a new branch in Git)

I started some work on a new feature and after coding for a bit, I decided this feature should be on its own branch. (我开始了一项 ... 保留新功能的现有工作 ) ask by Dane O'Connor translate from so...

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

0 votes

287 views

1 answer

php - 将字符串转换为Date和DateTime(Converting string to Date and DateTime)

If I have a PHP string in the format of mm-dd-YYYY (for example, 10-16-2003), how do I properly convert that to a Date and ... ，另一个地点需要另一个地点 ) ask by Chris Pinski translate from so...

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

0 votes

451 views

1 answer

c# - 你如何按价值排序字典？(How do you sort a dictionary by value?)

I often have to sort a dictionary, consisting of keys & values, by value. (我经常需要按值排序字典，包括键和值 )For example, I have a hash of ... 诸于自定义课程，但是有更清洁的方法吗？) ask by Kalid translate from so...

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

0 votes

323 views

1 answer

php - Laravel多级身份验证(Laravel multi level authentication)

I am working with a existing laravel project. (我正在与一个现有的laravel项目一起工作 )So on that project the previous one ... AppSeller::class, ] ], ask by Mamun Chowdhury translate from so...

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

0 votes

420 views

1 answer

python - 从具有索引列表的多维数组中选择(selecting from a multi-dimesional array with a list of indices)

Let's say I have an array with size batch x max_len x output_size , where batch , max_len , and output_size all correspond to ... 生形状合适的输出？) ask by Clement Attlee translate from so...

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

0 votes

360 views

1 answer

perl - perl5库可以在perl6中导入吗？(Are perl5 libraries are importable in perl6?)

I know that perl6 will definetely allow importing perl5 code but I'm not able to do this. (我知道perl6将明确允许导入perl5代码，但我无法做到这一 ... (是否有任何配置问题或尚未准备好？) ask by teodozjan translate from so...

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

0 votes

374 views

1 answer

python - 如何在python中将HTML文件作为字符串存储在变量中(How to store a html file in a variable as a string in python)

I have html file and I want to store the contents of that file in a variable as a string value. (我有html文件，我 ... = ''.join(raw_html) return str ask by SumanKalyan translate from so...

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

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