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372 views

1 answer

sql - 如何检查SQL中较小的时间段是否完全覆盖了时间段？(How to check if time period is fully covered by smaller periods in SQL?)

Having tables like following: (具有如下表格：) create table originalPeriods ( [Id] INT PRIMARY KEY, [Start] DATETIME NOT NULL, [End] ... 在此先感谢您的任何建议 ) ask by Rico W translate from so...

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

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524 views

1 answer

io - 如何最习惯于在Rust中为no_std平台编写异步IO库？(How do I most idiomatically write an async IO library in Rust for no_std platforms?)

I'm building a library to be used on a no_std platform which allows you to do some common network-related IO, such as making ... 该为未来打赌/提供帮助吗？) ask by dflemstr translate from so...

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

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466 views

1 answer

mysql - 如何通过SQL中的另一列选择具有MAX（列值），DISTINCT的行？(How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?)

My table is: (我的桌子是：) id home datetime player resource ---|-----|------------|--------|------- ... something exotic: With various results. (具有各种结果 ) ask by Kaptah translate from so...

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

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308 views

1 answer

php - 在控制器构造函数与表单请求中进行授权(Authorizing in controller constructor vs form request)

什么时候应该在控制器构造授权使用authorizeResource 喜欢这里时，我应该使用中授权表单请求喜欢这里？ ask by Ali translate from so...

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

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328 views

1 answer

c# - 返回IEnumerable <T> 与IQueryable相比 <T> [关闭](Returning IEnumerable<T> vs. IQueryable<T> [closed])

What is the difference between returning IQueryable<T> vs. IEnumerable<T> ? (返回IQueryable<T>与IEnumerable<T>之间有什么区别？) ... 么时候应该优先于另一个？) ask by stackoverflowuser translate from so...

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

0 votes

347 views

1 answer

css - 带徽标的Bootstrap 3 Navbar(Bootstrap 3 Navbar with Logo)

I want to use the Bootstrap 3 default navbar with an image logo instead of text branding. (我想使用带有图像徽标而不是文本标记的Bootstrap 3默认 ... 句，我的徽标图像大于导航栏的高度 ) ask by stepanian translate from so...

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

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427 views

1 answer

visual-studio - 我应该将Visual Studio .suo和.user文件添加到源代码管理中吗？(Should I add the Visual Studio .suo and .user files to source control?)

Visual Studio solutions contain two types of hidden user files. (Visual Studio解决方案包含两种类型的隐藏用户文件 )One is the solution .suo file ... 会自动创建新的用户文件吗？) ask by Ben Mills translate from so...

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

0 votes

386 views

1 answer

linux - 在Bash脚本中管道往返剪贴板(Pipe to/from the clipboard in Bash script)

Is it possible to pipe to/from the clipboard in Bash? (是否可以在Bash中管道进出剪贴板？) Whether it is piping to/from ... contents of "foo" into the clipboard ask by marcog translate from so...

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

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369 views

1 answer

javascript - 在JavaScript中定义枚举的首选语法是什么？ [关闭](What is the preferred syntax for defining enums in JavaScript? [closed])

What is the preferred syntax for defining enums in JavaScript? (在JavaScript中定义枚举的首选语法是什么？)Something like: (就像是：) my. ... ? (还是有更好的成语？) ask by David Citron translate from so...

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

0 votes

190 views

1 answer

javascript - 将数组转换为JSON(Convert array to JSON)

I have an Array var cars = [2,3,..] which holds a few integers. (我有一个数组var cars = [2,3,..] ，其中包含一些整数 )I've ... for sending? (如何将其转换为JSON对象进行发送？) ask by dotty translate from so...

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

0 votes

368 views

1 answer

r - R-递归查找子列表数(R - Recursively find number of sub lists)

I have a list of lists (let's call the main/parent list A). (我有一个列表列表（我们称其为主/父列表A） )The number of sub-lists in ... = 5 )Any thoughts? (有什么想法吗？) ask by GeoCat333 translate from so...

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

0 votes

252 views

1 answer

python - 了解切片符号(Understanding slice notation)

I need a good explanation (references are a plus) on Python's slice notation. (我需要一个关于Python切片符号的很好的解释（引用是一个加号） ) To me, ... 它看起来非常强大，但是我还没有完全了解它 ) ask by Simon translate from so...

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

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411 views

1 answer

javascript - 为什么Google会优先使用while（1）; 他们的JSON响应？(Why does Google prepend while(1); to their JSON responses?)

Why does Google prepend while(1); (为什么Google会优先使用while(1);)to their (private) JSON responses? (他们的（私有）JSON响应？) For ... going on here? (这里发生了什么？) ask by Jess translate from so...

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

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519 views

1 answer

amazon-web-services - 有没有办法增加延迟来触发S3上传中的lambda？(Is there a way to add delay to trigger a lambda from S3 upload?)

I have a Lambda function which is triggered after put/post event of S3 bucket. (我有一个Lambda函数，该函数在S3存储桶的put / post事件后触发 ) ... 特定间隔，因此无法使用调度程序 ) ask by Nitin Malode translate from so...

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

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284 views

1 answer

ios - 如何使用Windows开发机为iPhone开发？(How can I develop for iPhone using a Windows development machine?)

Is there any way to tinker with the iPhone SDK on a Windows machine? (有什么办法可以在Windows计算机上修补iPhone SDK？)Are there plans ... 我不太确定这样做的合法性 ) ask by community wiki translate from so...

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

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467 views

1 answer

node.js - Azure DevOps自定义任务扩展：powershell.exe / node.exe退出代码：5(Azure DevOps Custom Task Extension: powershell.exe / node.exe exit code: 5)

I have PowerShell Script as a custom task inside a Build pipeline. (我将PowerShell脚本作为Build管道中的自定义任务 )The steps of these tasks are ... 为我不知道这里发生了什么 ) ask by Mar Tin translate from so...

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

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179 views

1 answer

apache - 如何为Apache 2.2启用mod_rewrite(How to enable mod_rewrite for Apache 2.2)

I've got fresh install of Apache 2.2 on my Vista machine, everything works fine, except mod rewrite. (我已经在我的Vista机器上安装了新的 ... 藏的东西，可以阻止mod重写？) ask by Jakub Arnold translate from so...

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

0 votes

145 views

1 answer

c++ - 在函数中返回数组(Return array in a function)

I have an array int arr[5] that is passed to a function fillarr(int arr[]) : (我有一个数组int arr[5]传递给函数fillarr(int arr[] ... 我返回了一个指针，我将如何访问它？) ask by Ismail Marmoush translate from so...

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

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385 views

1 answer

android - 如何在Android应用程序的“活动”之间传递数据？(How do I pass data between Activities in Android application?)

I have a scenario where, after logging in through a login page, there will be a sign-out button on each activity . (我有一种情况，在 ... case (这种情况的任何替代方法) ask by UMAR translate from so...

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

0 votes

267 views

1 answer

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

I'm looking for any alternatives to the below for creating a JavaScript array containing 1 through to N where N is only known at ... 该有一种没有循环的方法 ) ask by Godders translate from so...

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

0 votes

336 views

1 answer

google-cloud-functions - Firebase日志错误FAILED_PRECONDITION代码9(Firebase Log error FAILED_PRECONDITION code 9)

I'm trying to make a firebase firestore function to send a notifications from device to device but when I deploy it I get ... 意味着什么？) ask by The Forgotten Warrior translate from so...

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

0 votes

266 views

1 answer

java - 遍历HashMap [重复](Iterate through a HashMap [duplicate])

This question already has an answer here: (这个问题已经在这里有了答案：) How do I efficiently iterate over each entry in a Java Map ... 迭代HashMap的项目的最佳方法是什么？) ask by burntsugar translate from so...

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

0 votes

705 views

1 answer

android-studio - 如何在Android Studio中的“可绘制”文件夹中添加图像？(How to add an image to the “drawable” folder in Android Studio?)

I need to add an image to the res/drawable folder... (我需要将图像添加到res/drawable文件夹...) When I choose new > image asset ... 如何将图像添加到res/drawable文件夹？) ask by Alan Wang translate from so...

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

0 votes

334 views

1 answer

linux - 如何在Linux / Unix上永久设置$ PATH？(How to permanently set $PATH on Linux/Unix?)

I'm trying to add a directory to my path so it will always be in my Linux path. (我试图将目录添加到我的路径，以便它始终位于我的Linux路 ... ? (我该如何做才能将其永久设置？) ask by Click Upvote translate from so...

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

0 votes

284 views

1 answer

java - 何时在Java中通过ArrayList使用LinkedList？(When to use LinkedList over ArrayList in Java?)

I've always been one to simply use: (我一直是一个简单使用的人：) List<String> names = new ArrayList<>(); I use the ... 候应该在ArrayList上使用LinkedList ，反之亦然？) ask by sdellysse translate from so...

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

0 votes

429 views

1 answer

android - 如何防止单击按钮时对话框关闭(How to prevent a dialog from closing when a button is clicked)

I have a dialog with EditText for input. (我有一个使用EditText输入的对话框 )When I click the "yes" button on ... 上的按钮上使用了PositiveButton和NegativeButton ) ask by user304881 translate from so...

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

0 votes

473 views

1 answer

html - 如何在更大的div内使图像中心（垂直和水平）居中[重复](How to make an image center (vertically & horizontally) inside a bigger div [duplicate])

This question already has answers here) : 这个问题已经在这里有了答案) ：) CSS center text (horizontally and vertically) inside a div block ( ... .. (但是垂直对齐是个问题 ) ask by Shameem translate from so...

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

0 votes

671 views

1 answer

twitter-bootstrap - 在Bootstrap中在div内左对齐并右对齐(Left align and right align within div in Bootstrap)

What are some of the common ways to left align some text and right align some other text within a div container in bootstrap? ... 文本，42美元为右对齐文本) ask by user462455 translate from so...

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

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