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java - Class, interface, or enum expected when compiling

I sat down and tried to write code for this prompt, and I made this. However, when I compile it in BlueJ ... what the prompt was asking? Thanks. See Question&Answers more detail:os...

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

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ios - NSURLConnection with POST doesn't work

I'm trying request a URL parsing parameters with POST, but mypage.php is not receiving this parameters... Here is my ... ['email'] are empty... See Question&Answers more detail:os...

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

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SES url's with Railo/tomcat that have dynamic subfolders

I've had success getting SES urls to work such as http://mydomain.com/index.cfm/foo/bar using <url- ... a folder is added/removed/changed? See Question&Answers more detail:os...

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

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deployment - How to deploy plain-html site on GitLab Pages

I had plain HTML site where the files, built by gulp, were in /docs folder. I found this repo https://gitlab. ... - master What I'm doing wrong? See Question&Answers more detail:os...

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

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html - Get latlng and draw a polyline between that two latlng

I have some issue in my code in that first I want to get latlng of my given address/city name from two text boxes after ... },4000); // }); } } See Question&Answers more detail:os...

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

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php - Possible to use a function inside of a different classes __construct?

EDIT::: So I have classes that I would like to work together. My first two establish a connection to the database: ... ); return $beers; } } ?> See Question&Answers more detail:os...

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

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go - Assign a map to another map is safety in golang?

The code like: m := make(map[interface{}]interface{}) //read for i := 0; i< 10000; i++ { go func() { for ... a new map to m, and it's safety? 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 - Can't use global variables with gcc

I have a file like this: char* vidmem = (char*)0xb8000; int main() { vidmem[0] = 'x'; vidmem[ ... .mediafire.com/file/7x21lh4dnc93dz9/OS.7z/file 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 - How to pass parameters to SqlDataAdapter

I have a Vb.net program that queries a database to get a bunch of records. I can't quite ... datetimepicker1 and datetimepicker2 on frmMain 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 do I read multiple binary files in R?

Suppose we have files in one folder file1.bin, file2.bin, ... , and file1460.bin in directory C:RData and ... hourse to figuer it out.any help See Question&Answers more detail:os...

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

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Google Cloud Composer and Google Cloud SQL Proxy

I have a project with Cloud Composer and Cloud SQL. I am able to connect to Cloud SQL because i edited the ... imgur.com/oC2dJ.png Best regards. See Question&Answers more detail:os...

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

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php - Call to undefined method mysqli_result::fetch()

I am able to fetch data from get_result() using any of fetch_assoc(), fetch_all(), ..., and fetch_row() but when ... ); $row = $result->fetch(); See Question&Answers more detail:os...

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

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windows - How to keep only the five newest backup folders and delete the older?

I want to use a batch file to make a backup regularly, every day. Consider these folders: C:game folder D: ... "C:game folder" "D:Backup1" See Question&Answers more detail:os...

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

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iphone - How to retrieve the last inserted value in a column using CoreData?

In my CoreData application I want display the last inserted stdId in Table Student. Is there any easy way to ... inserted value in a column ? See Question&Answers more detail:os...

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

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arrays - Non-scalar in Uniform output error in arrayfun. How to fix?

I'm not sure what it means in this context. I tried adding " 'uniformoutput',false " to the end of arrayfun, ... the problem is with my code. 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 - Passing data between components does not work Angular

I have a problem, I am trying to pass the playlist[] array from component.ts to header.ts. ERROR TypeError: Cannot ... .length}}</a> </li> See Question&Answers more detail:os...

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

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mysql - C# Query: 'System.InvalidOperationException' | Additional information: Connection must be valid and open

connectionString = @"server=localhost;database=" + lbDatabase.SelectedItem.ToString() + ";userid=root;password=;"; ... appreciate it, 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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How to check and request read, write permission for sd card in platform >= 23 of Android

I have the following code to request read,write permission for external(shared) storage known as emulated. Now I also want ... to sd card"); } } See Question&Answers more detail:os...

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

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Am learning basic java and i got wrong output

In the code below I am trying to convert char to int. Then I want to print the value of b, but I am getting ... ); System.out.println(b); } } See Question&Answers more detail:os...

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

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jquery - Bootstrap dropdown menu links not clickable

I have a page: http://www.poh.me/nordisk/ where the dropdown menu links on this page works, but the ... is much appreaciated :-) Thanks!! See Question&Answers more detail:os...

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

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ios - iOS13 Provisional Location Permission

Since apple has deferred the "Always Allow" permission and only OS can and will ask for that permission based on ... seems to be pretty useless. 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 create more form fields by using javascript and then passing values to PHP

Hi I'd like to make it so that the user can click a "upload more files" button to create an additional ... sample code would be great, thanks. See Question&Answers more detail:os...

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

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image - Linkedin post's picture doesn't appear in summary

When you click on linkedin sharing button. The summary displays title, description from open graph metadatas, ... 7-autres-pepites-digitales/ See Question&Answers more detail:os...

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

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git - How to clone repos inside a directory with their author name with REST API?

I'm using this bash & jq script: UserName=CHANGEME; curl -s https://api.github.com/users/$UserName/repos? ... epo.name1 repo.owner2 epo.name2 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 - How do I check if a list of lists exists in a list of lists?

I got a list of lists b and I want to check if they exist in list a which is also a list of lists. I'm ... >>False >>>False >>>False >>>False 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 - What to use in place of 'For XML' (in MsSql) to MySQL?

I have a VIEW written in Microsoft SQL Server which has some statements like "For XML Path (' ') '... in ... to modify it to MySQL code?? See Question&Answers more detail:os...

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

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Sorting Complex Numbers c++

I am attempting to take a complex number entered by a user (3-8i or -1+5i) and then sort it in ascending order in ... V[z] << endl; return 0; } 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 - find and replace typescript angular

I use a dropdown which when a value gets selected sits as a word on the content editor.I am trying ... -ej4xpg?file=src%2Fapp%2Fapp.component.ts See Question&Answers more detail:os...

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

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