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199 views

1 answer

sql - Left join command is not showing all results

I have a table RESTAURANT: Id | Name ------------------ 0 | 'McDonalds' 1 | 'Burger King' 2 | 'Starbucks' 3 ... r left join ORDER o on r.Id like o.ResId group by o.ResId;...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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515 views

1 answer

polymorphism - Java : set generic parameters for a method

I have a method that can take ResponseEntity as parameter. private ResponseEntity<OfferRest> mappedOfferByImagesEnabled( ResponseEntity< ... . My question, How can I do it?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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397 views

1 answer

CABasicAnimation not updating custom CALayer properties when exporting through AVAssetExportSession

I'm adding a subclassed CALayer onto video, and exporting using AVAssetExportSession, but am stumped on getting ... m clearly missing some trick with the video export....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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229 views

1 answer

使用jQuery添加的标签，无法得到其id值

使用jQuery添加的标签，获取不到它的id值 //添加代码 $('.adminInfor .btn-add-academy').on('click',function(){ $('.cover').show(); deleteP( ... $('#academyError').text(json.message); } } } }) } }); });...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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250 views

1 answer

android打包时遇到的问题

打包的时候是要另外设置什么么，我想让页面横屏显示，用的js强制横屏，但是现在打包之后的内容都重叠了，页面也不能上下滚动的，内容都错乱了，是我的样式问题还是打包时需要设置什么...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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482 views

1 answer

物体碰撞倾斜挡板后的运动

挡板是一个可旋转任意角度的矩形，物体是一个不可旋转矩形（轴对称）。如何通过向量，得到物体从任意方向碰撞处于任意角度的挡板后的运动方向呢？弹性碰撞，挡板只可旋转，不具有移动速度。有 JavaScript 的实现方式更好。...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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401 views

1 answer

better-scroll X轴怎么实现动态改变宽度滚动

动态改变的宽度不起作用TT，一直是初始设置的宽度内滚动，什么问题？大神们求解。。。...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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169 views

1 answer

javascript - EagerLoadingError [SequelizeEagerLoadingError]: grl_entidade is not associated to stn_matriz_gerada

I have this error and can`t find a way arround it: EagerLoadingError [SequelizeEagerLoadingError]: grl_entidade is not associated to ... "^6.3.5", Can anyone help me please?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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557 views

1 answer

tslint 或者eslint怎样覆盖配置？

{ // "extends": "tslint:recommended" "rules": { "ordered-imports": [ false ], "import-name": [false], "prefer-array-literal": [false], ... 配置但是代码里面都是1个tab的缩进问如何覆盖extends里面的配置呢？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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520 views

1 answer

algorithm - Given a set, how will you generate it permutations / subsets (Skiena method)?

I am trying to understand the Skeina methodology of solving backtracking problems. How would you solve following ... complete program. I sincerely appreciate your effort here....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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578 views

1 answer

phantomjs - Casperjs persisting cookies

I'm trying to use CasperJS for HTTP auth to an app then make a second request which if successful should trigger an ... , true); }); casper.thenOpen(urlAfterLoggedIn) casper.run();...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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405 views

1 answer

django - How to render template tags in the views and send them to Ajax calls

In Django i am using bootstrap4 form from the package django-bootstrap4 it renderst the form using {% bootstrap_form ... then the returned html can be substituded at its place...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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808 views

1 answer

java类中的成员成员变量赋值之后什么时候会被回收，有什么办法监听到某一个对象被回收吗

java类中的成员成员变量赋值之后什么时候会被回收，有什么办法监听到某一个对象被回收吗...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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385 views

1 answer

python - Add a custom transformer of the predicted vector for regression in sklearn pipeline

I have constructed a sklearn pipeline with a preprocessor and a regressor for a regression problem. Regressor = ... this ? Thank you very much for your help....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

415 views

1 answer

jQuery数字递增动画代码疑惑

// 数字递增 function countToNumber(el, number, suffix, duration) { $({ count: parseInt(el.text().split("+")[0].replace(/,/g, '')) }).animate ... 第二个参数如果为对象的话其中的step的now是什么？后面那段正则又怎么理解？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

427 views

1 answer

amazon web services - Kubernetes Autoscaling in AWS

This may be a silly question but I'm curious to know the answer: If I am running a Kubernetes cluster on AWS ... on the load balancer or the policy within the pods themselves?...

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

0 votes

539 views

1 answer

c++ - Load 2D vector from CSV file (73x74496 data size)

I want to read csv file that the data is only numbers, the size of the data is (73x74496), and I want to load the data to vector ... ::cout << data[1][1] << std::endl; return 0; }...

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

0 votes

342 views

1 answer

C++ circular dependency between multiple classes

I have the following 3 classes: A, B and C. I got errors for circular dependency for random_int(), how can I resolve the ... > cs = A::getInstance().get_b()->nearby_cs(*this); }...

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

0 votes

436 views

1 answer

npm - Javascript: Export things inside the module, internally

In Java, we have 4 visibility levels. Except public and private, we have protected level and a default level (with no modifier) that is ... Y X no modifier Y Y X X private Y X X X...

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

0 votes

146 views

1 answer

android - (ART/DVM) Inserting an instruction just before the :try_end instruction results in VerifyError

I've been working with smali/baksmali for some time now, and I understand the instructions to a reasonable extent. Lately, I' ... )I :cond_1 const/4 p0, -0x1 return p0 .end method...

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

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469 views

1 answer

div下的h1 bootstrap设定的margin-top失效了?

在用bootstrap3做项目时，发现被bootstrap3设定的h1的margin-top:20px;失效了，如下: https://jsfiddle.net/DTcHh/30... HTML <div class="header"> <h1>123</h1> ... } 请问在:after,:before这三行是什麽巫术这麽神奇，为什麽会这麽使用呢?...

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

0 votes

352 views

1 answer

When i deploy my spring boot application i can't see static photos

I am looking for this error the whole days. My spring boot application works locally perfectly but when I deploy, ... .connect(AbstractPlainSocketImpl.java:184) ~[na:1.8.0_275]...

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

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401 views

1 answer

Tabs标签页如何加入组件

Tabs标签页 content: 'Content of new Tab' 内容这里面我怎么加一个一个react路由组件啊,我不是单独几个文字内容...

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

0 votes

202 views

1 answer

strval函数的参数是MongoId对象，为什么可以？

关于strval的介绍如下图：根据描述：strval是不能将类对象字符串化，为什么可以对MongoId使用strval函数呢？求帮助。...

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

0 votes

340 views

1 answer

c# - How to remove multiple cascade paths in entity framework

I am trying to define relationships between tables, but getting the following error: Introducing FOREIGN KEY constraint ' ... ; } public int ProductId { get; set; }...

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

0 votes

529 views

1 answer

express配合react的时候，怎么获取用户登录信息？

前端该怎么判断用户是否登录？以及用户权限怎么判断？...

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

0 votes

185 views

1 answer

Java Swing - BasicStroke smaller to the left

I'm writing a simple 2D chess game with Java Swing but I have encountered a problem with BasicStroke: the left side is ... I really don't know how to solve. Thanks in advance....

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

0 votes

251 views

1 answer

android - Can I put arguments in my Fragments constructor

So I have a fragment like this: class MyFragment(val thing: SomeDataObject) : Fragment { override fun onViewCreated ... seemingly over complicated ways of passing the arguments......

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

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