Recent questions in Technique[技术]

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android studio - The flutter SDK is incomplete

When I try to create a new application in android studio, it asks for the SDK. When I give the SDK, it shows " ... out with this. I've attached the screenshot. Thanks in advance....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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button - How to play audio files from a local directory in flutter

I have copied an audio player from Pub Dev (I'm not sure which one) and installed it. I have added assets in ... when pressing the button on a real device. Can anyone help? Willem...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Add questions to quiz on a ManyToMany relationship

I have a Many-To-Many relationship between a Quiz table and a Question table. All I want to ask is how I get the ... with index 0 from set of size 0, accessed using property path....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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excel - Pivot Table does not refresh using VBA

I have a pivot created in excel 365 My sourcedata is in a Ms Access Query I built a macro in Excel to refresh the pivot ... can not figure it out ! Can someone help me out here ??...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to divide a date range into sets of 2 months with Pandas?

I'm trying to set up a logic that counts the number of months in a date range generated with pd.Timestamp. I'm able ... on this code and split the date range in sets of 2 months?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cisco - Python ciscoconfparse to find shutdown interfaces and the whole interface block?

The following examples will use this configuration which is taken from http://pennington.net/tutorial/ ... interface GigabitEthernet 1/1 switchport mode trunk shutdown...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to change Angular animation duration from code

I am trying to figure out how to dynamically change the duration of an angular animation based on a button click. I'd like ... ', animate('600ms ease')), Thank you for your time!...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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asp.net - Converting a Byte[] from a Session back to a List<String> in c#

I try to save a List in a Session by converting it into a Byte[]. But when i try to Convert it back to a List i ... Is this even the right way to do it or am i completly wrong?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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parsing - Nutch/Elastic Search terms definition

I used nutch and Elastisearch to crawl/parse 99 websites/links in order to index them in Elasicsearch so that I can use the search ... at 2020-12-17 13:07:19, elapsed: 00:00:08...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to decouple a class from it's attributes when the methods of the attributes need to modify state of the owning class?

How do I decouple a class from its attributes when methods of the attributes need to modify the state of the owning class? ... in a more strongly typed way to try and avoid bugs....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Dice roll sum game

Okay, I'm at a loss. I am trying to make a game where you roll a die as many times as you like, but if the ... ('you lose') else: print("ending the game") return dice_simulate()...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to decode JWE token in Angular

I have this problem, I created a JWE in .net core using EncryptingCredentials by this way: var key = Encoding.ASCII.GetBytes( ... (token); How can I read token's data with angular?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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powershell - PSZoom output truncated

Please excuse me if this is a stupid user error.... I am using PSZoom (powershell wrapper for zoom api). https:// ... what is wrong with this command that I get only 4 results?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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tidyr - Reading "X%"-formatted percentages into R

I am reading a CSV into R, where several columns contain percentages that are formatted as text strings with a percentage symbol at the end ... 40, "Bob", 10, 65, "Carol", 15, 15)...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Why does a Firestore security rule using get() not work while another rule using resource.data works?

I've been working on a chat app in order to get used to Cloud Firestore. Below is the structure of its database. ... query data ?|? Firebase Is this possibly related in any way?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Python has stopped working is the error msg

when anaconda-navigator is launched it ends with the msg python has stopped working. thus not able to use python. tried ... also disabled. it is not understood what is the reason....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ms office - Search and copy information from an Excel sheet to another based on existing data

I have the following scenario: I have 2 files: NO1 and NO2. The File NO1 is produced by a software every time ... be done through Excel only. Thank you for considering helping me....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to access JSON properties after dynamic deserialize .NET

I am creating C# console app where i consume API and get JSON response. How can i access JSON ... .Azure.CognitiveServices.Knowledge.QnAMaker.Models; using Newtonsoft.Json.Linq;...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Add leading zeroes only if it begin with digit in pandas dataframe

I have a data frame column which have special characters and numbers. I want to have leading zeroes only if it begin with a digit. I ... 3) Input: column 1 $500 333 2 (8 ?8 5 1 444...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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pandas - How to split time data in Python?

I have a dataframe like below: d={ 'Date' :['2016-10-30','2016-10-30','2016-11-01','2016-10-30'], ... for data of Time_group. How to sub create this variable by using Time column?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Return array of data from firestore query

I want to retrieve information of all the users who are friends of a particular user. To return a single json array I am ... }) }) return data; // data is empty array here }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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git - What is the recommended way to review pull requests on GitHub?

Let's say that a contributor on a project submits a pull request and I need to compile the code in order to ... can checkout locally in order to test out the proposed changes?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - SVG half of a circle

How can I rotate the circle 180 degrees in the SVG, not with CSS? I mean only having the top of the SVG not the bottom. <svg width ... a60,60 0 0,0 115,0" fill="#f7ad1a" /> </svg>...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Ruby join array of strings with space between last two elements

In my Ruby 2.7 app I want to join an array of strings to have one string separated by commas. As follows: [company. ... for me, is there any better way to achieve the same result?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Preview Multiple Images Vue JS with background image css style

I'm trying to display a preview of some images when a user selects them before he uploads them, but I'm new to ... part where I assign the background image, how can I solve this?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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graphics - Seperating a Model into Meshes for Depth Ordered Rendering

So I have one big mesh which models a building. I would like to chop the mesh into parts by floor and ... that it exports as multiple meshes which I can selectively render?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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constraints - SQL Server: Unique Composite Key that looks order

I created a small test table with 2 integer columns pkId1 and pkId2. I set the primary key as a composite that ... etc., they are accepted, because they are a special case....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Mockito how does @InjectMocks works

From this Difference between @Mock and @InjectMocks I understand that @InjectMocks is used as an annotation for create an ... and the type of the attribute defined in MyAgenda?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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