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这种是svg的请求吗,为什么只有这两个,页面应该有很多svg呀?

...

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

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java - What do ^ and $ mean in a regular expression?

What is the difference between "\w+@\w+[.]\w+" and "^\w+@\w+[.]\w+$"? I have tried to google for it but no luck....

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

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Issue with mulesoft FTP write connection (when response code :220) OR Should FTP response have description?

I have established connection to a few FTP servers via mulesoft FTP Write connector - which all work fine. But from one of ... at java.lang.Thread.run(Thread.java:748) ''' Thanks....

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

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git - Does Deleting a Branch Deletes It's Sub-branches?

I created a branch feature from branch develop, after working on the branch feature, the whole requirement changed, ... develop branch) deletes it's sub-branch feature_backup ?...

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

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spss - Order by SUM in Custom Tables

I am struggling with desirable order for my Custom Tables. I got 3 variables - source, value and country. I want to ... able to solve by SPSS. Thank you in advance for your help...

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

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python - reverse the scale of the test outcome in the LSTM

I am using standardized predictors in training set to train an LSTM model. After I predict the outcome in test set, I need to ... [-0.01755336], [ 0.16642463]], dtype=float32) >>>...

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

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deserialization - Deserialize properties with property name prefix .net

what are options to deserialize dunamically build object's multiple properties(with known name prefix -> "prop ... result [JsonPropStartsWith("prop")] list<string>properties...

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

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es6改变数组对象key对应的值

let arr = [ { a:'13', b:'b1', d:'d1' }, { a:'13', c:'c1' } ] 怎么把数组对象中所有key为a的值除以100，变成如下 let arr = [ { a:'0.13', b:'b1', d:'d1' }, { a:'0.13', c:'c1' } ]...

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

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Redis 6中的IO多线程模型，与单线程中的IO多路复用模型的区别？

Redis 6 的IO多线程模式下就不会使用多路复用了吗？这算不算是一种退步？...

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

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javascript - Bootstrap 3 datetimepicker - MinTime and MaxTime

i am trying to set a min time and max time for https://getdatepicker.com/4/ $mydatepicker.datetimepicker({ minDate: ... to use this plugin for setting minimum date and also time?...

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

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sql - Solved-- Why columns value change into NULL when try to update only one column?

This is my table which I created in sql server... CREATE TABLE [dbo].[Addresses_Table]( [AddressID] [int] IDENTITY(1,1) ... of it. Please help me out to solve this problem.......

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

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excel - Trying to change color of rows to white

Trying to change row color to white. Sorry about that Sub Change_Row_Color Dim ws As Worksheet Dim rng As Range Set rng = ws. ... = 4 Then rng.Cells.ColorIndex = 1 End If End sub...

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

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python - Filtering array as a column in dataframe

root |-- id: string (nullable = true) |-- elements: array (nullable = true) | |-- element: struct (containsNull = true ... a simple fix, but I'm struggling with it too many hours....

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

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python pandas 分组统计多出一列

想要统计每个价格支付的人数，同一个价格下同一个用户即使支付了多次也算作1人次，如下，100的价格有用户1000和2000，这样算作两个人 user_price = [ {'user_id':1000,'goods_price ... 2 1 100 2 2 200 1 希望得到结果 goods_price user_id 0 100 2 1 200 1...

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

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How can I run a python fie written in atom editor directly in Terminal?

I am new to atom editor. I was wondering if by a single command I can directly run the file in the command prompt? For ... up and the codes executes. How can I do this in atom?...

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

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如何监听所有DOM的onscroll事件？

只要存在滚动就能监听到，但是DOM的onscroll事件不会触发到window上想监听鼠标按住滚动条但是mousemove事件不触发不可能给所有节点添加onscroll事件吧，这样好占用性能哟不能改变源代码，只能通过插入新代码来监听。...

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

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kotlin - Android - incorrect unread count from channel requested from QueryChannelsRequest

I am having issues with the unread count on channels from a QueryChannelsRequest. My current user keep receiving ... you need extra informations. Request User lastRead not updated...

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

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文本类数据（如博客）是放到mysql中合适还是Mogodb中合适？

而且同时还要用到elasticsearch，现在对mogodb了解很浅，求大佬解答！！！...

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

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javascript - Merge two array of object and sort on the value

const a=[{id:1},{id:5},{id:7},{id:6}] const b=[{id:7},{id:2},{id:5},{id:9}] //Merge and sort in single array of object based on unique value...

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

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Fragment 和 <> 有什么区别吗？

在React中，因为在组件中，只能有一个根节点，所以为了取消多余的嵌套，才有的Fragment 和 <> ; 那他们有什么区别吗，还是说只是写法不同？ function En(){ return( <React.Fragment> 1 ... Fragment> ) } const En=()=>( <> 1 2 </> )...

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

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monitoring - How to calculate CPU utilization of windows web server in Grafana

I'm using prometheus as a data source and in grafana i want to make CPU utlization graph with accurate values and less interval...

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

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r - ggplot not outputting values in dataframe

I have the following dataframe: Year Ocean O2_Conc <dbl> <chr> <dbl> 1 2010. Reference 0.000237 2 2010. Pacific ... are not coming through on the graph's axes? GGplot output...

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

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springboot 初级问题

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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javascript - How to run functions with setIntervals in parallel?

I would like to have these two setInterval functions running in parallel - and looping , however the result I'm getting with the code ... (() => { page.reload(true) }, 11000) ]);...

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

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java如何实现文件流byte[]转码为UTF-8格式的文件流byte[]?

刚刚学习java文件流的输入输出，请教各位大神，已知输入文件流byte[]的编码，实现将其转码为UTF-8编码并输出为文件流[]. public static byte[] filebyteToUTF8(byte[] inputFilebyte){ }...

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

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javascript - Train output to not be in specific range using brainjs

I am new to the neural networks and I am trying to train several simple data points. I have training inputs x and y ... can I use? I am using brain.js library in javascript....

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

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848 views

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numpy reshape/transpose 3D to wide 2D

Make example letters = np.array([ np.array([ np.array(['a','a','a']) , np.array(['b','b','b']) , np.array([ ... 'i']], dtype='<U1') I think I need to transpose... before reshaping?...

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

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c# - Form not redirecting to the action in cshtml

I have a .cshtml file that shows a page of my application. In the application, there is a top menu where ... ] public ViewResult Instructions() { return this.View(); }...

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

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