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thinkphp6显示模型不存在，请问下如何解决。

这是错误提示，不知道什么原因，实例化模型不能运行，但是使用 thinkphp6官网的数据库查询方法能够正常操作数据库目录结构模型调用模型数据库...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

Nodejs 有没有什么办法可以快速比较文件夹是否发生变化，以及变化的文件？

我想扫描一个文件夹下的所有文件，对这些文件信息处理后写入数据库，现在遇到一个问题，就是怎么判断这个文件夹相比上次扫描时是否发生变化，程序是定时运行的，所以无法一直监听文件夹。谢谢！...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

1 answer

pandas 字典转换成dataFrame，如何将索引放在第一行

数据 res = { 0:{'age':18,'name':'zhangsan'}, 1:{'age':24,'name':'lisi'}, } df = pd.DataFrame(res) 结果 0 1 age 18 ... 初始化dataframe的时候设置，因为key字典的key很多 age name 0 18 zhangsan 1 24 lisi...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

iconfont彩色图标兼容性或渲染效果问题？

之前听说iconfont彩色图标在IE浏览器不兼容或效果不理想，可是我测了IE11，并没有发现异常，在官网有如下说明信息，兼容性差渲染性能一般，这怎么理解？ font-class与symbol对比： * 支持多色图标了，不再受单色限制 * ... 样式 * 兼容性较差，支持 IE9+，及现代浏览器 * 浏览器渲染 SVG 的性能一般，还不如 png ...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

怎样理解连续使用的call() apply()

function Foo() {} Foo.prototype.method = function(a, b, c) { console.log(this, a, b, c); }; Foo.method = function() { ... 和[...arguments].slice(1)两部分,并且把arguments[0]作为call方法的this值...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

gradle - How to skip a specific migration

Does anybody know, how can I skip a specific migration using Flyway? I mean, to not execute and not write ... see records only for migrations V1, V3 in flyway_schema_history table....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.7k views

1 answer

vue添加菜单的时候如果路径错误,那么整个项目白屏

就是说我的菜单是由后台返回给我的,一旦我添加菜单的路径错误,那么整个项目就白屏了,而我不能去添加菜单的页面修改正确的路径, 现在我想如果我添加错误了,我还可以进去修改菜单的界面,把这个错误的路径改正确...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.7k views

1 answer

js 求解一个闭包内存泄露问题

function test() { var a = []; return function (){ a.push(1) return a } } var t = test(); t(); t(); t = null; 这样的话 a 会被释放吗？如何不会应该怎么释放？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.4k views

1 answer

How do I pass an array into an Excel VBA function

I am trying to clean up some of my VBA code by removing redundancies and making more reusable functions. One place I ... . If anyone has any ideas I would really appreciate it!...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.1k views

1 answer

这样的样式，如何用css来实现

...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.0k views

1 answer

multithreading - Using pyaudio and Speech Recognition at the same time

I want to record the audio and get an audiofile while using Speech Recognition. For some reason my program always ... target=get_audio) thread2.start() time.sleep(5) status=False...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.4k views

1 answer

Updating value of given index in a heap in python

#increase the key in heap heap_a = [18, 14, 4, 7, 10, 3] print(heap_a) def increase_key(a,i,key): #check ... //2) return a increase_a = increase_key(heap_a,4,20) print(increase_a)...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.3k views

1 answer

reactjs - 403 Forbidden - PUT https://registry.npmjs.org/random-number-generator-baa - Forbidden

I am trying to create npm reactjs component library. I have been working through all the steps but stuck ... /random-number-generator-baa - Forbidden enter image description here...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

3.1k views

1 answer

javascript - Vue 3 still unauthorized after passing the correct token with Bearer

I have a Vue 3 + node express back-end server + firebase. On my backend server, the middleware: const ... checkIfAuthenticated function my const { authToken } = req; is undefiend...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

1 answer

ios - Swift multidimentional array

I have .mlmodel file and I have to integrate it to the app. the input is 1x9x30 array. where ... ] as [NSNumber]] = motionSample.attitude.yaw as NSNumber...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.3k views

1 answer

python - Finding the most frequent attributes set in census dataset

I've got a problem that I'm working on involving a dataset with 12 variables in which I want to create a function ... inbetween each character. Does anyone know how I can fix this?...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.9k views

1 answer

taro小程序

请问下taro开发小程序的过程中，子组件中的componentDidShow生命周期方法没有被执行，这个应该怎么解决呢 // 父组件代码如下 export default class Index extends Component ... () { } render() { return ( <View>测试</View> ) } }...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.8k views

1 answer

vscode的command+d如何跳过某一项？

vscode的command+d是选中相同字符，请问大神：如何跳过某一项？如何不匹配大小写？...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.1k views

1 answer

matlab - PCA of Ovarian Cancer Data via SVD

I want to analyze the Ovarian Cancer Data provided by MATLAB with the PCA. Specifically, I want to visualize the two largest Principal ... , Xstd(2, :), 'green', 'LineWidth', 3);...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.6k views

1 answer

html - How do I center the borders

I'm just learning HTML and CSS. I'm trying to design a flex site, but I couldn't solve the problem with borders. So, how can I center ... #">Hakk?m?zda</a></li> </ul> </div> </div>...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.6k views

1 answer

vue-cli3 api代理问题

本机：192.168.0.245；目标的地址：192.168.0.222；接口封装后，方法是： function getList(params){ const url = '/url'; return $axios.get ... pathRewrite: { ['^' + process.env.VUE_APP_BASE_API]: '' } } }`...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.1k views

1 answer

python - Is there a way to remove numbers in a list dependant on conditions of previous number?

I am looking to remove numbers from mylist and need to code something that will do this: Take a look at the first ... numbers that I don't need, within an increment of 1098....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

4.2k views

1 answer

Sum of array in Halide

I've started learning Halide. Suppose I wanted to calculate the sum of elements in an array. Why is the following code snippet ... code: p0> Abort trap: 6 What am I doing wrong?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.3k views

1 answer

vue.js - Can I have two seperate state functions?

For example, I hold my states in state: initialState() However, I reset this state with a button after some time. ... of removed states in the history. How should I approach this?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

3.7k views

1 answer

chatterbot not finding responses and failing to select from multiple responses

Having previously run conversations using a single corpus, which were?rather directionless and full of non-sequiturs, I am ... (TypeError: 'str' object is not callable>>>?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

4.5k views

1 answer

javascript - How do I get the content-length header for jQuery AJAX POST success object?

I have a jQuery AJAX call that appends a URL's page into a selector. I want to monitor the progress of the page ... Content-Length of the data object [that I'm already getting]?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

3.9k views

1 answer

Ant design pro react一个页面包含许多图表，如何在打开该页面的时候等图表全部加载完毕再显示页面？

类似这种图表监控页面，目前我做了一个页面，文件名为analysis.tsx,使用的是react函数组件但是当前所有的数据请求和图表渲染全部在这个analysis.tsx中，数据请求全部写在useEffect中，并且我没有将各个图表抽离成组件 ... 问要达到这种效果，应该怎么做呢，我必须要把每个图表都抽离成组件吗，然后引入到这个analysis.tsx中？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

1 answer

ecmascript 6 - Merge two complex arrays of objects by field in javascript

I am grouping objects retrieved from my database in an array by a field. As I am using pagination, the new grouped array has to be ... [{ name: "Lemon Tart", calories: 430 }] } ];...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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