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java - 我正在尝试检查电子邮件是否具有三个字母扩展名，例如“ .com”或“ .net”，并且此方法不起作用(I am trying to check if an email has a three letter extension such as “.com” or “.net” or not and this is not working)

this is not working and I cannot figure out why (这是行不通的，我不知道为什么) do { System.out.println("enter your work email"); ... .length() - 4) != "."); ask by jackspurrrr translate from so...

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

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774 views

1 answer

oracle11g - 在Oracle中插入一百万行的最快方法(Fastest way to insert a million rows in Oracle)

How can I insert more than a million rows in Oracle in optimal way for the following procdeure? (如何针对以下过程以最佳方式 ... is '||l_end); End inst_prc1; ask by user1016594 translate from so...

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

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685 views

1 answer

javascript - 无法加载资源：服务器响应状态为404（未找到）(Failed to load resource: the server responded with a status of 404 (Not Found))

I can't solve my link problem. (我无法解决我的链接问题 )Could you help on to this to link CSS and JS File? (你能帮忙解决 ... Directory structure. (请参阅此链接目录结构 ) ask by user3331535 translate from so...

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

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175 views

1 answer

javascript - 您如何将画布用作课程？(How do you use canvas as a class?)

I am trying to create a class which has a canvas as an object in an attempt learn more about classes. (我试图创建一个以画布为对象的类 ... wrong? (难道我做错了什么？) ask by WOLF CRECENT translate from so...

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

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516 views

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sql-server - 如何将逗号分隔的值拆分为列(How to split a comma-separated value to columns)

I have a table like this (我有这样的桌子) Value String ------------------- 1 Cleo, Smith I want to separate the comma ... fixed extra columns (我只需要两个固定的额外列) ask by Gurru translate from so...

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

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710 views

1 answer

objective-c - Objective-C中的常量(Constants in Objective-C)

I'm developing a Cocoa application, and I'm using constant NSString s as ways to store key names for my preferences. (我正在开发一个 ... 是重新定义了他们使用的课程 ) ask by Allyn translate from so...

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

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432 views

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javascript - 传递调用结果时出现异常：TypeError：不是流星中的函数(Exception in delivering result of invoking : TypeError: is not a function in meteor)

When I added in onSuccessCreateClass into meteor.call callback and this error come up. (当我将onSuccessCreateClass添加到meteor.call回调中 ... } }) } }, ask by phongyewtong translate from so...

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

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539 views

1 answer

vue.js - 导航栏下拉列表未指向给定的链接(Navbar dropdown is not leading to the given link)

I am trying to make a navbar work on nuxt with Buefy components. (我正在尝试使用Buefy组件在nuxt上进行导航 )I actually have dropdown component ... 下拉菜单项无法将我引导至该链接) ask by f1uk3r translate from so...

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

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1 answer

python - 我正在使用django框架的网站上工作，我得到这个AttributeError告诉我'str'对象没有属性'get'[重复](Am working on a site using django framework and i got this AttributeError telling me 'str' object has no attribute 'get' [duplicate])

This question already has answers here) : 这个问题已经在这里有了答案) ：) Getting 'str' object has no attribute 'get' in Django ... .site.urls），) ]` (]`) ask by Wuese Philip translate from so...

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

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395 views

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c - OS161：TLB加载失败(OS161 : TLB miss on Load)

I have a TLB miss on load error when I run the fork test , I understand this is due to passing wrong stackptr to ... usermode"); mips_usermode(&tf); } ask by gsb translate from so...

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

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218 views

1 answer

python - 您如何从stdin阅读？(How do you read from stdin?)

I'm trying to do some of the code golf challenges, but they all require the input to be taken from stdin . (我正在尝试进行一 ... Python? (我如何在Python中得到它？) ask by tehryan translate from so...

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

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253 views

1 answer

html - CSS工具提示中的链接(Links in CSS Toolstips)

I've got the following problem I can't wrap my head around: For an image I created a pseudo image map via CSS to have ... 做到这一点（最好是CSS / HTML）？) ask by Gorly translate from so...

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

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380 views

1 answer

javascript - 偏移html锚以调整为固定的标头[重复](offsetting an html anchor to adjust for fixed header [duplicate])

This question already has an answer here: (这个问题已经在这里有了答案：) Fixed page header overlaps in-page anchors 32 answers ( ... 或CSS，但是Javascript也可以接受 ) ask by Matt Dryden translate from so...

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

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320 views

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html - HTML复选框可以设置为只读吗？(Can HTML checkboxes be set to readonly?)

I thought they could be, but as I'm not putting my money where my mouth was (so to speak) setting the readonly attribute ... 些情况下能够更改它们 ) 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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239 views

1 answer

java - 将集转换为列表而不创建新列表(Convert Set to List without creating new List)

I am using this code to convert a Set to a List : (我正在使用此代码将Set转换为List ：) Map<String, List> mainMap = new ... that possible? (那可能吗？) ask by Muhammad Imran Tariq translate from so...

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

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372 views

1 answer

sql - SQL查询/根据日期和ID计算值的等级(Sql Query / Calculate rank for values based on date and id)

For each date and id we have to give the rank to values in decreasing order. (对于每个日期和ID，我们必须按降序对值进行排名 ) Below is the ... --+-------+------+ ask by Akash Jain translate from so...

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

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341 views

1 answer

css - CSS 3从左转换滑入(CSS 3 slide-in from left transition)

Is there a cross browser solution to produce a slide-in transition with CSS only, no javascript? (有没有一个跨浏览器解决方案来生成只有CSS的滑 ... //.../img.jpg /> </div> ask by Gimmy translate from so...

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

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255 views

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python - 在Django Shell会话期间获取SQL查询计数(Get SQL query count during a Django shell session)

Is there a way to print the number of raw SQL queries performed by the Django ORM during a Django shell session? (有没有一种方法可以打印 ... 但如何从shell中获取信息并不明显 ) ask by Jian translate from so...

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

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476 views

1 answer

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

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354 views

1 answer

python - Python：将数据从一个文件传递到另一个文件(Python: Pass Data From One File to Another)

For example, I have two files, a.py, and b.py. (例如，我有两个文件a.py和b.py )I would like b.py to access data from a.py. ... the examples to work. (我无法使示例工作 ) ask by Xa1 translate from so...

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

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386 views

1 answer

c# - 全部选择/取消选择按钮(All select /deselect button)

enter image description here I want to make n 'all select' button in datagridview. (在此处输入图像描述，我想在datagridview中使n个全部选择按 ... Cells[0].Value = true; } } ask by ??? translate from so...

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

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537 views

1 answer

python - 使用PulP时，如何从Gurobi求解器中检索当前的最佳解决方案？(How can I retrieve the current best solution from the Gurobi solver when using PulP?)

If I use the interactive solver in the gurobi solver, I can do the following: (如果在gurobi求解器中使用交互式求解器，则可以执行以下操作 ... would I do that? (我该怎么做？) ask by securitymensch translate from so...

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

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213 views

1 answer

java - 如何在Eclipse中导入jar(How to import a jar in Eclipse)

如何在Eclipse中导入jar？ ask by user395734 translate from so...

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

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315 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)

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379 views

1 answer

xcode - 从Xcode删除领域模型对象(Remove Realm Model Object from Xcode)

Ages ago, I used Realm with iOS projects, but am no longer doing so. (几年前，我将Realm用于iOS项目，但现在不再这样做 )However, I still have ... 中找到任何有关如何执行该操作的文档 ) ask by CodeBender translate from so...

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

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490 views

1 answer

git - 如何撤消“git commit --amend”而不是“git commit”(How to undo “git commit --amend” done instead of “git commit”)

I accidentally amended my previous commit. (我不小心修改了我以前的提交 )The commit should have been separate to keep history of the ... 任何远程目录）) ask by Jesper R?nn-Jensen translate from so...

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

0 votes

294 views

1 answer

java - 如何在底部导航布局中添加TabLayout(How can I add tablayout inside bottom navigation layout)

I'm using Android Studio 3.5 (我正在使用Android Studio 3.5) I have found some old project on stack overflow ... /Tabbed-layou-inside-bottom-navigation) ask by Eric translate from so...

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

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148 views

1 answer

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

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