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amazon-web-services - AWS lambda无法导入模块“ lambda_function”：没有名为PIL的模块(AWS lambda Unable to import module 'lambda_function': No module named PIL)

I am using a lambda function of SearchFacesbyimage And I am using this doc https://aws.amazon.com/blogs/machine- ... No module named PIL) ask by ephemeral translate from so...

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

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rxjs - Rx-如何应用到允许某个时间段后发出重复项的stream uniqueUntilChanged？(Rx - How to apply to stream distinctUntilChanged that allows emit duplicate item after some period?)

So, I have to implement some chain or perhaps some custom RxJava operator to an Observable , that will distinct items emitted from ... ，但仍然不知道如何开始) ask by Patroy translate from so...

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

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java - 复制数组(Make copy of an array)

I have an array a which is constantly being updated. (我有一个数组a被不断更新 )Let's say a = [1,2,3,4,5] . (假设a = [1,2,3,4,5] ... 要使用深层复制等高级术语，因为我不知道这意味着什么 ) ask by badcoder translate from so...

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

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git - 如何在提交前撤消'git add'？(How do I undo 'git add' before commit?)

Want to improve this post?) (想要改善这篇文章吗？))Provide detailed answers to this question, including citations and an explanation of ... 些文件不会包含在提交中？) ask by paxos1977 translate from so...

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

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395 views

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css - CSS中的自适应字体大小(Responsive font size in CSS)

I've created a site using the Zurb Foundation 3 grid. (我已经使用Zurb Foundation 3网格创建了一个站点 )Each page has a large h1 ... I achieve this? (我该如何实现？) ask by user2213682 translate from so...

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

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oracle - 在Oracle SQL中计算2个日期/时间之间的差异(Calculate difference between 2 date / times in Oracle SQL)

I have a table as follows: (我有一张桌子，如下所示：) Filename - varchar Creation Date - Date format dd/mm/yyyy hh24:mi:ss Oldest cdr ... 有几天）之间的差异？) Thanks (谢谢) ask by Steve translate from so...

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

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java - Java 8中的::（双冒号）运算符(:: (double colon) operator in Java 8)

I was exploring the Java 8 source and found this particular part of code very surprising: (我正在探索Java 8源代码，发现 ... 法如何转换为IntBinaryOperator ？) ask by Narendra Pathai translate from so...

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

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538 views

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c# - 集合已修改；枚举操作可能无法执行(Collection was modified; enumeration operation may not execute)

I can't get to the bottom of this error, because when the debugger is attached, it does not seem to occur. (我无法弄清此错误的 ... " + e.Message); } } } ask by cdonner translate from so...

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

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git - 是否有快速的Git命令来查看文件的旧版本？(Is there a quick Git command to see an old version of a file?)

Git中是否有命令可以查看（转储到stdout或$PAGER或$EDITOR ）特定文件的特定版本？ ask by mike translate from so...

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

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keycloak - 从Node.js访问Keycloak组属性(Access Keycloak group attributes from Nodejs)

I've got Keycloak setup and running with NodeJS. (我已经安装了Keycloak并与NodeJS一起运行 ) I see you can create groups and assign attributes ... 不到组，更不用说它们的属性了 ) ask by bugg translate from so...

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

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381 views

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spring - Spring框架导入失败(Spring framework import failed)

I am starting on Spring and learning its foundations. (我从Spring开始并学习它的基础 )I created a project in intellij (我在intellij创建了一个项目 ... } any help? (有什么帮助吗？) ask by adr translate from so...

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

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python - 如何避免`obj.save（）`不更新`updated_at`字段？(How do I avoid `obj.save()` not to update `updated_at` field?)

The title alone seems to be vague. (仅标题似乎是模糊的 )Here is the detail. (这是细节 ) I have the following Model: (我有以下模型：) ... 我希望你能帮助我 )Thank You (谢谢) ask by Basir Payenda translate from so...

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

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507 views

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git - 如何还原未提交的更改，包括文件和文件夹？(How to revert uncommitted changes including files and folders?)

是否有git命令来还原工作树和索引中所有未提交的更改，并还删除新创建的文件和文件夹？ ask by MEM translate from so...

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

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c# - 在String.Format [复制]中转义大括号'{'(Escape curly brace '{' in String.Format [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) How to escape braces (curly brackets) in a format ... MyProperty { get; private set; } ask by PhilB translate from so...

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

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467 views

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

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440 views

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git - 返回到以前的状态，但所有下一次提交也保留在日志中(Go back to some previous state, but keep all next commits in log too)

I have branch with 3 commits: (我有3次提交的分支：) A -> B -> C (HEAD, master) Now, if I need go back to A commit, I can use git ... 何返回某些日志，但将所有下一次提交保留在日志中？) ask by OTAR translate from so...

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

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python - 将字符列表转换为字符串(Convert a list of characters into a string)

If I have a list of chars: (如果我有一个字符列表：) a = ['a','b','c','d'] How do I convert it into a single string? (如何将其转换为单个字符串？) a = 'abcd' ask by nos translate from so...

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

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html - href =“ tel：”和手机号码(href=“tel:” and mobile numbers)

If I use tel: I should write the international phone code, like that. (如果我使用tel:我应该这样写国际电话代码 ) <a href="tel:+ ... 以国际方式写手机号码的信息 ) ask by Sebastian Starke translate from so...

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

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362 views

1 answer

git - 在暂存区域中显示文件中的git diff [复制](Show git diff on file in staging area [duplicate])

Possible Duplicate: (可能重复：) How do I show the changes which have been staged? (如何显示已上演的更改？) Is there a way I can see the ... 次提交以来的差异，但我不知道那是什么 ) ask by arod translate from so...

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

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297 views

1 answer

git - 如何显示我的全局Git配置？(How do I show my global Git configuration?)

I'd like to show all configured Git sections. (我想显示所有配置的Git部分 ) I only found git config --get core.editor , and I'd like to ... 所有内容，而不仅仅是配置的默认编辑器 ) ask by wullxz translate from so...

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

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473 views

1 answer

c# - 如何以及何时使用“异步”和“等待”(How and when to use ‘async’ and ‘await’)

From my understanding one of the main things that async and await do is to make code easy to write and read - but is using ... (5000); return 1; } ask by Dan Dinu translate from so...

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

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212 views

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bash - 如何清除/删除终端中的当前行？(How do I clear/delete the current line in terminal?)

If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line? (如果 ... 因此除非我多次按↓，否则它不起作用 ) ask by triad translate from so...

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

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267 views

1 answer

c++ - 在C ++中对同一类使用多个模板(Using multiple templates with the same class in C++)

I have the following code in C++ - (我在C ++中有以下代码-) template <class T> class TempClass { T value; public: TempClass(T ... 个新类就可以做到这一点的方法？) ask by Rijul Ganguly translate from so...

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

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181 views

1 answer

node.js - 使用node.js作为简单的Web服务器(Using node.js as a simple web server)

I want to run a very simple HTTP server. (我想运行一个非常简单的HTTP服务器 )Every GET request to example.com should get index. ... 些图像，CSS和JavaScript提供单个HTML页面？) ask by idophir translate from so...

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

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109 views

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r - 如何在R中制作此功能？(How to craft this function in R?)

I am currently trying to write a function that estimates energy expenditure of some lizards through E = e21.44 * (e(8 ... } Energy(T = 28) ask by Wheresbreakfast translate from so...

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

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390 views

1 answer

python - 将浮点数限制为两位小数(Limiting floats to two decimal points)

I want a to be rounded to 13.95 . (我希望将a舍入为13.95 ) >>> a 13.949999999999999 >>> round(a, 2) 13.949999999999999 The ... I expected. (round功能不能按我预期的方式工作 ) ask by translate from so...

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

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295 views

1 answer

java - java：将float转换为String，将String转换为float(java : convert float to String and String to float)

How could I convert from float to string or string to float? (我如何从float转换为string或string转换为float？) In my case I need ... the assertion fails (但断言失败了) ask by lola translate from so...

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

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167 views

1 answer

javascript - 如何显示JavaScript对象？(How can I display a JavaScript object?)

How do I display the content of a JavaScript object in a string format like when we alert a variable? (如何像alert变量一样以字符串格式显 ... . (我想显示对象的格式相同 ) ask by maxjackie translate from so...

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

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