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ios - Swift: Conforming to protocols using default values

Is there a way to conform to a Swift protocol using default values? The following example results in a Type ' ... an elegant way around it. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Angular - Wait for ngFor to update DOM

Using Angular 7: I'm using ngFor to bind an Array of objects to rows in a table. Immediately after pushing ... for Angular to finish updating? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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How to modify ASCII with prime numbers C program

Here's my program that asks a user to enter a line of text and then shows the ASCII code it's associated with, ... i. Can anybody help me out? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c++ - std::vector of object containing auto_ptr behaves strangely

I want to create a control panel for my application using Qt library and for this i create class Controls ... and spin in copy constructor See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android app crashes when adding firebase ML vision dependencies with firebase database dependencies

I have a project which uses firebase database,auth and other dependencies but whenever i try to ... .android.gms.measurement.AppMeasurement.getInstance(android.content.Context...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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How to get keyboard with Next, Previous and Done buttons at the top of keyboard in Android

In my application, I want to provide the functionality similar to Next, Previous and Done button at the top of ... and All kind of filters. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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autonumber - MS Access Creating a New Order And Orderline

I have a Customer table, an Order table, an Orderline table and a Product table. All of them have an Autonumber ... this was a problem in SQL. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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json - can't send rich messege to line on dialogflow

as the title, i want to know how to send rich massage like carousel,button ,image,etc to line from dialogflow. i ... "t thanks for your help :D See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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how to click button which is inside iframe using python selenium

He is my sample snippet. i want to click the button-1034-btnIconEl using python selenium. <html> <body> < ... Please help me to traverse this. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - ` System.InvalidCastException: 'Specified cast is not valid.'

NavigatePage.xaml : <Grid Grid.Row="2"> <Grid.ColumnDefinitions> <ColumnDefinition Width="*" /> < ... to the page YellowSunPage. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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binary - Iterate over all bits of byte in C#

I am working on a C# application. I have a byte variable, i want to iterate over all bits of it. byte ... How can i achieve the required output See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Use bold tag to send my message from node server

I want to use Bold tag example: <b>Hiii</b> to send my messages to user on running of node server. I ... . Output Any help would be thankful. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - Image processing with single to multiple images

I have an Image showing below: I need to crop the order using python coding. What I need is only the ... code mentioned in the below comment. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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asp.net - C# multipart response building

I coded the handler: using System; using System.Net; using System.Web; namespace Teste { ... Http.MultipartFormDataContent Getting desperate See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - What is the meaning of the square brackets in “.module("modulename", […])” of AngularJS

I just saw an example of routing in AngularJS. I would like to know the relation ship between dependency 'ngRoute' and ... /addStudent' }); }]); See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Firestore security rules ! () Expressions meaning

What does ! & () Expressions Mean in firestore security rules allow create: if request resource data size( ... find these two expression meaning See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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C# Dictionary filtering (LINQ) values and getting the key

I have a dictionary fooDictionary<string, MyObject>. I am filtering the fooDictionary to get only the MyObject with a ... How can I do that? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - if i enter value in text box equalent to polygon value i'm not getting alert msg

If I drag marker release on polygon I got an alert but if I enter long, latitude values through text box, marker moves ... /div> </body> </html> See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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How to refer a certain place in a line in Python

I have this little piece of code: g = open("spheretop1.stl", "r") m = open("morelinestop1.gcode", "w") ... from left). Hope that its clear :) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - Looping through ArrayList of object to find the highest value and return the details

I want to create a method which calculates and displays the highest overall crime stats. Eg to output something like: * ... it, otherwise null .orElseNull(); } for 'FindFirst'...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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delphi - NPAPI plugin framework Error

I am trying to use NPAPI Framework from Yury Sidorov by following this answer: How to embed Delphi VCL form ... SetException(npobj, msg); end; See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - Creating a Data Pipeline to BigQuery Using Cloud Functions and Cloud Scheduler

I am trying to build a Data Pipeline that will download the data from this website and push it to a BigQuery ... ": "projects/oh-data-pipeline/locations/us-east4/jobs/OH_Voterfile...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to access and pass checkbox values to ajax

I tried in the following way but requesting is going like [21/Sep/2018 14:48:45] "GET /buildknowledge/ ... values will be assigned has required See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - Intent in AsyncTask for FragmentPagerAdapter

I have implemented a FragmentPagerAdapter of 4-lashes, and in each of them I load a fragment with a different view. ... CustomFragment { ... } } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Why Random loss symbol does not work well

I try to make random loss from a given bit stream. Assume that I have a bit stream as 10 01 10 11 00 Now I ... -1 bits are 2. Thank you so much See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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SQL to JSON - How to get query output without column names then put together the two columns

For example, a table called User has columns FirstName and LastName. So when I query SELECT * FROM User FOR JSON PATH ... "Bruce" : "Wayne" }] See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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r - tidy_eval issue with facet_grid() in ggplot2

I would like to be able to plot each of "X1 by grpA", "X2 by grpA", "X3 by grpB", "X1 by grpB", ... suggest how to remedy this error? Thank you. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Using IN clause in sql server

My query is like below.I want to select values if Type = 1 and subtype = 1,3 or 2. select sum(case ... as 'WorkStations' Is this right way? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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