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    RT,类似and-design的message.success(config)方法...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a dataset of 6 parameters with 500 values each and I want to combine the two of the datasets to get the road curvature but I am getting an error. ... object of type '<class 'numpy.float64'>'; only Series and DataFrame objs are valid...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to display a listing of 6 columns from a database table. This table happens to have a bit over 30,000 records. What I've used in the past worked but ... upgraded to PHP 7.2 and MySQLi and the new code isn't working the same way....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    我有一个https的链接,在微信里打开这个链接,小米8是正常打开的。 但是oppo ace2上用微信打开就是白屏,用自带浏览器是正常打开的,并且在该手机的微信上,用http://debugmm.qq.com/?forcex...,在x5内核下也是正常打开的;用http://debugmm.qq.com/?forcex...,关闭x5内核之后就是白屏了。 我认为可以排除js代码报错的可能,那么是什么原因引起的?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    搜索历史记录用的是本地存储,放到app会出问题吗### 问题描述...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I read about copy elision and how it can fasten up Programms by giving possibilities to write code more straight foreword without thinking about references of variables. ... elide all those copies leading to a or in the modification of b?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    SELECT COUNT(DISTINCT CASE WHEN customer_name = 'Alex' THEN item END) AS by_Alex, COUNT(DISTINCT CASE WHEN customer_name = 'Bob' THEN item END) AS by_Bob, COUNT(DISTINCT CASE ... by_Bob" (2) and "by_Alex" (3) and add 5 under "Count" column?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am running django+gunicorn and I have added errorlog='/var/log/gunicorn.log' to my conf.py. I'd like to force an error to see that this is working. Is there ... of? I am new to gunicorn and django, so I apologize if it's a no-brainer....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Hello I have an Objective-C project and I want to start using Apple's CryptoKit framework. Is this possible?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1.8k views
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    I have a Room Database with a Questions-Table and multiple Answer-Tables (with different kind of answers, like Multiple Choice etc). I want to query multiple Questions ... contain values. My question is if there's a better way to do this....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1.8k views
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    在看vue3的视频教程(实际我没做过vue2的开发,直接来看的vue3),有个地方很不理解,看下图 这个是视频教程中的一段代码,使用 const 定义了 count,并且给默认值0,下面的 increase 仍然可以修改count 使其每次递增1,这里的const 要怎么理解?const 难道不是常量么?常量不是不能变化么?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1.8k views
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    两个对象数组对比,如果有相同的项就删除,不同就添加 var a =[{id: 1,content:'11'},{id: 2, content:'22'},{id: 3, content: '33'}] var b = [] // 这个时候 a和b不同 我要把a数组的3个对象添加进b数组 得到 b = [{id: 1, ... 有相同项和不同项 // 我需要把b数组中的相同项删除 不同项添加进去 得到 b = [{id: 3, content: '33'}] 请大佬帮帮忙...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.3k views
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    I have just started learning Java so please bear with me and my small minded questions :) I have a pretty general question- lets say we have 50 lines of code, when ... line 5, will the compiler continue to run, or will it stop at line 5?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.2k views
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    我在读这篇文章的时候: MVC的互动模式: 1) 2) 我可以理解第一个,但是怎么理解第二个图? 如果是Restful API,那么也没有View的参与呀。...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    imports: from kivy.app import App from kivy.uix.widget import Widget from kivy.properties import StringProperty from kivy.properties import ObjectProperty from kivy.uix.label ... .. Invalid property name [Finished in 2.0s with exit code 1]...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.4k views
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    背景:我使用的操作系统是centos(虚拟机),想安装jenkins,奈何jdk还是1.6版本的 所以想升级一下,然后就找了这个教程来升级 我卸载了我系统中的JDK1.6,然后我使用yum -y install命令安装了 JDK1.8,安装成功之后使用java -version命令测试了一下,提示是正确的 之后我就 想去/usr/ ... 理之前应该配置了的啊 所以现在的问题就是我想去配置环境变量,但是我找不到jdk1.8的安装目 录 希望有大佬能帮我解答下这个问题 ...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.3k views
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    I am making a quiz app where the user can edit its questions from the database. What I am trying to do in the code below is that when the ... void QuizEditForm_FormClosing(object sender, FormClosingEventArgs e) { this.mParent.Show(); } } }...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    #include <iostream> #include <fstream> #include <iomanip> #include <string> #include <cmath> using namespace std; // these should have all of my declared functions int start(char x ... cout << "This is not a command" << endl; } return 0; }...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    之前好好的,现在每次构建都报错,使过用cnpm,不过也一样 ERROR: Service 'web' failed to build : The command '/bin/sh -c npm install' returned a non-zero code: 1...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am retrieving Yahoo stock ticker data and want to convert the given currency to euros. For this purpose I am using the Python Library Currency ... multiplication. Alternatively I could just target that one column and convert it back?...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.9k views
1 answer
    I am trying to install MYSQL workbench on windows 10 but it stuck in "please wait while window configure MYSQL" and never process the downloaded version of MYSQL?...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.7k views
1 answer
    如题,我获取到了vue文件的节点字符串如下所示 <template> <div class="content"> <img class="logo" src="/static/logo.png"></img> <div class="text-area"> <p class="title">这是标题</p> <button>提交</button> </ ... :'text-area' }] }] } } 并不一定和上面的完全一样,有没有类似的模块?还望各位大佬指点一二 ...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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3.3k views
1 answer
    The win32 API's SetCursorPos moves the mouse to a location on the screen. However, sometimes it does nothing. See the following C++ code (Visual ... to believe they utilize some pathway besides SetCursorPos to get reliable mouse movement....
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.9k views
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    如题: 一段时间之内(大概一天)job里面的函数会被调起来,但是这段时间之后就不再调用任何job里面的函数,但在数据库里的next_run_time每次都会更新 run_task这个方法没调起来,但是数据库里面的时间戳会更新 求大佬解答~~...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.9k views
1 answer
    Validator validator = Validation.byDefaultProvider().configure() .addProperty("hibernate.validator.fail_fast", "true") .buildValidatorFactory().getValidator(); Set<ConstraintViolation<TokenParameter>> ... 会被校验,但是子对象的字段不会被校验,请问如何解决?...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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3.1k views
1 answer
    使用spring-data-redis,链接工厂使用lettuceConnectionFactory 配置如下 @Bean public StreamMessageListenerContainer<String, MapRecord<String, String, String>> streamMessageListenerContainer(PlanStreamMessageListener ... 就失效了,有大佬遇到过这种问题,有解决方案吗?...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.5k views
1 answer
    data.forEach((item, index) => { arr.push({ id: item.id, label: item.name, disabled: false, children: [] }) if (item.list.length > 0) { item.list.forEach((item2, index2) => { arr ... item.id + '-' + item2.id + '-' + item3.id 不晓得这样的嵌套,递归方法怎么写...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.7k views
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    What's the best way to get a reference to the ILambdaContext in a Controller running in AWS Lambda ASP.NET Core? It seems as though the below locks up. (ILambdaContext)Request.HttpContext.Items[AbstractAspNetCoreFunction.LAMBDA_CONTEXT]...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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