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Recent questions
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vue项目升级命令 vue upgrade 无效
项目是基于 vue-cli 3.x 的,运行起来太慢了,每次执行npm run dev估计都得2分钟甚至更长,所以打算把脚手架升级到@vue/cli 4来试一下。 现在已经卸载 vue-cli 3 了,并且安装好 @vue/cli 4,但是当我执行 vue upgrade 来升级项目是,却提示我已经是最新了。如下: 该怎么处理呢?...
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performance - href link slow to load
I am using my href as <li><a href="<%=ResolveUrl("~/On_Call_Pages/Accident_Investigation_Team.aspx")%>">Accident ... so without having to create an entire new master page....
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Iterate Over columns in pandas dataframe using list comprehension
I would like to pefrom following operation using list comprehension: import numpy as np import pandas as pd import seaborn as sns df ... [:, i] for i in df.columns] does not work...
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pandas中apply的一个问题
以下语句,目的是求data中每一行的数据是否完全一样, tag = data.apply(lambda x: (x == np.mean(x)).all(), axis=1) 当数据量在15万以下时,没有什么问题 但当跑到 ... data.apply(lambda x: (x == np.mean(x)).all(), axis=1) 报错,就好理解了...
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vue查询全表数据,现在只能查一页,我该怎么改成查全部呢?
这是现在table表格的在计算属性的实现方法 dataSource是放接口返回的table表数据,然后再经计算属性在我搜table数据时,实时改变table表的数据,但是现 ... ) this.dataSource = data.content; this.tablePage.totalResult = data.totalElements; }) },...
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DolphinDB在执行query时报错:Java heap space
在使用Dolphin执行如下query语句时: db = databese("dfs://testdb") pt = loadTable(db,"pt") select * from pt where ... execution was completed with exception Java heap space 请问应该怎么处理?...
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DolphinDB在执行query时报错:Java
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添加position属性导致mouseenter事件出现bug,为什么?
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title></title> <style> *{ margin: 0; padding: 0; } #box { ... .png" alt="" srcset=""></li> </ul> </div> </body>...
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python - Django import Error(from extras.plugins import PluginConfig)
I'm new to Django and I try to develope a plugin for NextBox using this framework. To get familliar with it ... installing the package, .plugins is unkown as well as PluginConfig...
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nginx location 优先级错误了, 怎么解决
这是我的2个location 当我访问的时候 http://localhost:8080/fad-ssp/api/ad-pos-service/adposinfo/admin/list/?current=1&size=10 发现是请求并没有匹配到. 然后我去查看 ... 去了, 这个时候会造成404. ) 请教大家一下, 我要如何隔离这两种location...
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Print a certain number of characters from the end of the string SQL DB2
In DB2 I want to get 3 symbols from the end of the string. How can I do that? Example: Input: yyre*dsnj*001*19 asdf*wqer*136002*20 Output: 001 002...
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Print
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Vue在config这里面设置了跨域,请求问题
请问一下在这设置好了开发环境请求用的是api/,如果上线后还需要改吗...
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Jan 27, 2021
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请教一个匹配字符串规则的正则表达式
目标字符:330nF(250V)(xx) 我写的正则:^([^ ()]+)(\(.*?\))$ 有个问题是多个括号如:330nF(250V)(xx)(yy)也能匹配到,,,想要匹配以下对应关系: ... 330nF(250V) 330nF(250V)(xx) -> 330nF(250V) 330nF(250V)(xx)(yy) -> 330nF(250V)...
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Jupyter运行matlab时中文乱码,该怎么办?
运行python,除了调用matplotlib时,中文显示都正常。...
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Jan 27, 2021
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nlp - Identifying synonymous rows of a text column in a dataframe using R
Suppose ABC is a dataframe as given below: ABC <- data.frame(Column1 = c(1.222, 3.445, 5.621, 8.501, 9. ... for the next set of synonymous strings? Does it work with German text?...
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automated tests - What is the cypress cy.contains() equivalent in webdriverio?
I have mainly worked with cypress previously for e2e automated testing, I have now started working on webdriverIO. So for a ... seem to work, any help on this would be appreciated....
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automated
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css有没有圆任意均等分的方案
奇数偶数都要...
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mongodb - How match nested fields in mongo by using the match clause?
I am trying to match nested fields in a document in mongo but my query is not working. Configuration: [ { ... //mongoplayground.net/p/nND59iO1339 I am getting no documents found....
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Jan 25, 2021
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python - What can i use to store IP & MAC address types values as a Database
pardon me cause I am new to python. Can anyone recommend me a software or an application that i can use to program ... values as my plan is to use these data for device listing....
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Jan 24, 2021
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Firebase Custom Claims with Angular
I have been struggling with some firebase authentication concepts and have not been able to find something concrete on how ... to achieve my goal? Any help is greatly appreciated....
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Jan 24, 2021
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automation - Drag and Drop file to upload container with Python
I would like to automate drag and drop to this page using Python. https://www.pdf2go.com/pdf-to-powerpoint I'm fairly ... Or is there a better way of performing this task? Thanks!...
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关于MySQL8 Porfile的问题
查看下面的变量 show variables like 'profiling'; 在 Navicat里面和linux里面查询的结果不同,这是为什么?...
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关于MySQL8
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使用vue怎么在所有元素加载完后执行?
我发现不用jquery(document).ready()不行: <script> Vue.componue('test',{...}); new Vue().$mount("#t"); </script> <div id="t"> <test></ ... test> </div> 这样才可以 可是这肯定不合理,因为vue不可能一定要依赖jquery ...
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Firebase Authentication : is there any limits in sign in with google options
is there any limits on firebase Authentication with google sign in. if yes how many gmail's can i authenticate per day...
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Jan 24, 2021
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ios - Detect when keyboard is fully visible and prevent keyboard appearance handling code from adding extra offset for hidden element
I want to know if the keyboard is fully visible and not if it's in in-between states of ... unnecessarily adding more offset to accommodate an already visible keyboard...
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react-native 如何解决部分机型 TextInput multiline 回车键闪退?
export default class extends React.PureComponent { render() { return ( <> <TextInput multiline={true} /> <TextInput multiline={true} /> < ... multiline 设置为 false 则正常运行,不报错 请问如何解决呢?...
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react-native
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typescript - Setting buildOptimizer to true in angular.json causes application to not work correctly
I have an Angular 11.1 application and if I build it with the setting buildOptimizer set to true in angular.json, it ... @schematics/angular:component": { "style": "scss" } } }...
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Print output in Excel file in Python
I compare two txt files, find a match and print the line that matches and three corresponding lines after. I have read ... (next(f)) else: StopIteration my_xls.save("results.xls")...
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Print
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vue router
报错: Uncaught (in promise) DOMException: Failed to execute 'replaceState' on 'History': A history state object with URL ' ... 器中多加了/ 例如: http://localhost:9000//#/superBookRegister...
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