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    Problem Statement: I have a list of bank transactions with an amount and a category. I have categories defined as a ... do this in a spreadsheet. Does anyone have any ideas?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    我想用Python处理Excel文件,在VS Code中写好如下的代码: # -*- coding: UTF-8 -*- import xlrd # 打开Excel文件 workbook = xlrd.open_workbook('10/test.xlsx') # ... 应该怎么办?是哪里出问题了? 编程小白自学python,请各位大神谅解和指点,感谢!...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    In the existing functionality of Apex19.1 I can only upload 45 columns data and remaining number of columns ... implement update functionality too? Hope above describes my doubts....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Originally I was trying to include linux/config.h to compile an old driver from source originated from the 2.6 kernel ... linux/config.h with to make this driver compiled and run....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    foo <- function(arg) { substitute(arg) } foo1 <- function(parm) { foo(param) } foo1(2 + 2) output is: param How ... inside foo such that the output will be the expression 2 + 2?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have to disable link in the image so that the user can not click on that image what can I do ? code - <a href={fb} ... className='logo' src={Fb} height={28} /> </span> </a>...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    自定义插件, 有时候需要一些默认的配置或数据. 希望在全局安装时定制, 传入进去. 大概思路如下: Vue.use(MyComp, options); MyComp 中 install 方法接受 options , 然后给组件初始化默认数据. 但是, 不知道怎么实现?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Can I return a boolean variable as per the conditions in a mongoose query? Example, while getting all notification of a user, I ... ... <other fields> ..., seen: false}] Thank you...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    C++中: #include <string> 和 #include "string" 有什么区别?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    After some investigation, I realized I'd have to detach/eject my Expo app in order to use libraries such as ... run Node alongside React-Native, which is compatible with Expo?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    If I have list=[1,2,3] and I want to add 1 to each element to get the output [2,3,4], how would I do that? I assume I would use a for loop but not sure exactly how....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    我这里有一个接口,是添加购物车的 商品有属性,例如颜色 尺码 我提交参数的时候会提示选择规格 不知道是不是提交的格式不对 请求帮助 /** * 加入购物车接口 * * 输入: * id:int 商品id * deal_attr: ... =[{19:357},{20:359}] 但是提交后台会返回 请选择商品规格 ,一头雾水,我应该提交怎样的参数结构...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    求大神帮忙给个思路 如何获取 elementUI 穿梭框被选中的对象而不是单单一个值...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have installed PyQt5 and PyQt5-tools using command prompt and pip install PyQt5 then pip install PyQt5-tools and ... and nothing seems to work can someone please please help...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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121 views
1 answer
    判断链表中是否存在环,通常使用双指针的方式,因为快指针、慢指针最终都会在环中相遇,但如何证明这两个指针一定会相遇呢,推倒过程如下: 我的疑问是:算式(3)是通过怎样的方式转换为算式(4)的呢? ------------------------分割线------------------------ 反向证明如下:...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    自己根据Element Ui封装了一些插件,怎么为这些插件添加类型声明并且可以正常导出? Element Ui的声明 这是我自己仿照Element Ui 写的声明...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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174 views
1 answer
    报错内容为: 218:30 This expression is not callable. Type 'Number' has no call signatures. 216 | let newY: number; 217 | newX = (this as any). ... : 0) 218行Math报错了,谷歌了一圈未果 请问,因该怎么改正呢?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    目前看完了技术栈的基础文档但是找不到一个好的项目去深入理解,能推荐几个吗?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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232 views
1 answer
    需要在一个页面展示三个 一样的Parcel...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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169 views
1 answer
    后端 返回回来一堆前端代码 没有换行 前端展示的时候 怎么能格式化...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    I have the following: class User: """A user class""" def __init__(self, username, father) """Initialize the user ... two or more objects have the same father attribute in python?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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148 views
1 answer
    用的antd vue,代码是下面这样,我只有dateChange不传参数,才能通过dateString拿到我想要的值,但是我想record,index和dateString同时拿到,因为日期选择器每行都有, ... > dateChange(date, dateString) { console.log(date, dateString ) } //拿值...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    How to use Alarm Manager in versions after Oreo ? My code works fine in Marshmallow. But when its in Oreo or pie, or above it works only if the app in running in foreground....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    var href = "https://s.1688.com/selloffer/offer_search.htm?keywords=小白&sortType=va_rmdarkgmv30rt" var href2 = encodeURI(href) //编码了一次 ... (href2) 我使用encodeURI编码了一次,打开搜索结果还是有问题 ...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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718 views
1 answer
    I have a problem described and solved for gmail in this post. I have read through several posts dealing with similar ... it work for Outlook/Microsoft 365? Thanks for any help....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    为啥如今php做秒杀都用redis,mysql的悲观锁不一样可以解决超卖问题吗 ?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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209 views
1 answer
    I would like to know the difference bewteen NodeDef and OpDef in TensorFlow. tf.Operation represents a graph node ... =None, input_types=None, original_op=None, op_def=None )...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    比如说像思否这样的项目,它的文章和提问都是需要被爬虫爬的,那么用了spa+ssr能够满足seo需求吗...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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