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    I am writing a program to download all the data in my Google Drive and save it. The problem is that when the file is saved, ... .WriteLine("No files found."); } //Console.Read(); }...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to merge field names of a model in Django admin, In my case I have multiple roles for the ... request.user obj.save() admin.site.register(ParentRole, ParentRoleAdmin)...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    系统用到了 element 的 table 组件,发现一个问题,假设表格有5列,有4列都比较窄,有一个“描述”内容比较长,于是我对该列设置 show-overflow-tooltip 属性,发现其他的4列都占用了很宽的位置,而该列却没有自动撑开,而是显示 tooltip 效果,该怎么实现这种自动撑开的效果呢?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    报错提示,idea版本2020.1,已经勾选Delegate IDE build/run actions to Maevn选项 是Maven聚合工程 tomcat设置 maven父工程pom.xml <project xmlns="http://maven.apache.org/ ... 程就可以运行,但换成聚合之后 ,就没法运行了 实在找不到问题在哪!...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    let arr = [1,2,3] // 想要实现的效果(能在数组尾部插入数据的同时返回原数组,原生方法): JSON.stringify(arr.xxx(4)) // => '[1,2,3,4]' // push和splice ... .splice(arr.length,0,4)) // => '[]' // 注:不考虑concat 有无大神知道怎么样做...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    最近在学习es中的proxy代理的操作发现如果我定义了一个对象为: var phone = { number: 10068, changeNumber(nu)?{ this.number = number } } 之后再使用Proxy代理 var proxy = ... 方法,但是不能理解调用方法中的那个...args是怎么传值过去的,希望可以解答一下?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    There is a structure directive: @Directive({ selector: '[loading]', }) export class LoadingDirective { loadingFactory: ComponentFactory< ... : <span *loading="true size=20"></span>...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to publish an application (.net core 2.2) from within visual studio 2019. I recently updated to ... while starting the application. Has any one encountered this ?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm struggling to create a 3-D plot with multiple colored lines and vectors in matplotlib. The end result should ... yticks should not be visible. Any help is highly appreciated....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    package com.company; import java.util.Scanner; public class Main { public static void main(String[] args) { // write your code ... .next(); double dist = input.nextDouble(); } } }...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    默认只显示当前目录,我想显示全路径: xiatianlong@MacBook-Pro /Users/xiatianlong/Code % 请教如何设置。...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    hey guys can someone help me with a question in recursion i need to write a method that uses recursion the method get param metrix ... 1, previ, prevj); } } return path1 + path2; }...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    有一个需求是这样的样式排列,上下两排色块 1 3 5 7 9 11 2 4 6 8 10 12 用vue渲染这12个元素,想通过一个方法传入元素的index,来改变色块的颜色。 想让1 4 5 8 9 12是一种颜色 2 3 6 7 10 11是另一种颜色 请问这种颜色交叉的算法怎么实现...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    比如我想知道 7cd1590560e2232adbff91ff18c0e97bb85062e0 这个 commit id 时,xxx.go 文件的 git blame 结果,该怎么做? 注意不是直接 git blame xxx.go,而是要站在某次提交上看...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Can you send an email to two people (to and cc) but block one recipient from receiving it? One recipient ... recipient, but in actual sense, the other recipient received nothing....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    I'm learning how to use MySQL with Java. I have a database that has two tables. One for movies and the other one ... .addElement(s); } jList.setModel(list); } Thanks to everyone....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I've got problem with completing pgadmin4 installation thru sudo /usr/pgadmin4/bin/setup-web.sh command. During this process instalator ... LTS **Server:** Apache/2.4.41 (Ubuntu)...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    数组赋值,如下例子: array_name=(1 2 3 4) 正常打印 echo ${array_name} 打印报错 array_name: assignment to invalid subscript range array_name[0]=0 echo ${array_name}...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    I have a string encoded in utf8 and I want to convert it to 850 (encoding). I have done it with R like this but I don't ... iconv(curve1,"UTF-8", "850", toRaw = TRUE) Thank you!!...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    moment('2020-11-01',"YYYY-MM-DD").diff(moment('2020-10-01',"YYYY-MM-DD"), 'months',true).toFixed(4); // 1 moment('2020-10-31 ... + adjust) || 0; } 请问是如何进行调整方式实现正确的计算;...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    http://www.clevermama.com.cn/blank23.html 如图。那个波浪会变化。svg 请问是怎么控制那个变化的呢?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    别人的机器正常运行 两个 service 所有set方法标红; 启动后,关闭后,Run栏状态如图; package com.view.demo.bean; import lombok.Data; @Data public class ... 设置UTF-8,乱码消失,状态也正常了 https://blog.csdn.net/liu8650......
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Let's say I expect my function to return either null or the array. Is this ok if I add array possible values? /** * @return ... * orientation?: string, * url?: string, * } * } */...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    c/c++ 为什么函数中定义变量不会出现像 struct 中因内存对齐而导致的空间浪费 例如在struct中 int a; char b; int c; b 后面会有 3Byte 浪费的空间 但是在函数中同样顺序定义变量 a b c 却不 ... 和声明顺序不一样 如果这是编译器对函数中声明变量的优化的话,为什么不对 struct 的变量顺序也优化一下呢 ...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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585 views
1 answer
    I'm trying to figure out why my useEffect function ends up in an infinite loop. I have two variables that are ... different way to use Redux state in a dependency array? Thanks!...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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981 views
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    问题描述: sql查询,如果结果集不为空则返回结果集。如果结果集为空,则返回查询参数? 说明如下: SELECT CASE WHEN a IS NULL THEN '${k}' ELSE a END AS a; (SELECT a FROM A...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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784 views
1 answer
    Which of these ways is better: to perform 10000 small queries with filtration conditions to table linked with many ... this problem according to the rules of clean architecture?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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