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python - setContextProperty() doesn't create the class instance inside the qml file

The main.py file displays a Tab Widget. On each Tab I loaded a speciffic qml file but for the sake ... questions/65926511/setting-connections-and-signal-targets-using-qml-to-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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481 views

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mysql - SQL Trigger, Update view after insert

I'm working on a database for a school project. I want to create a trigger, that updates a view and ... ://stackoverflow.com/questions/65926470/sql-trigger-update-view-after-insert...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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221 views

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c - What is the exact difference and the relation between thread entry and thread start?

What is the exact difference between thread entry and thread start ? and does RIP (where the execution front is, ... -difference-and-the-relation-between-thread-entry-and-thread-st...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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411 views

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How to find the first host contacted by cassandra driver during connection?

Is there a way to find out which node was contacted first during the initial setup by the driver? For ... to-find-the-first-host-contacted-by-cassandra-driver-during-connection...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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226 views

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How to Query Relationship in Complex Raw DB using Laravel

I have this models in Laravel-5.8: Here are the models: class Employee extends Model { public $timestamps = ... 65926334/how-to-query-relationship-in-complex-raw-db-using-laravel...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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334 views

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Asp.net mvc page throws 'Windows security login prompt'

I have Asp.Net MVC web application which uses Windows authentication with Entity Framework. In this application , ... /asp-net-mvc-page-throws-windows-security-login-prompt...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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288 views

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angular - Ionic text to speech not canceling on ios device

I'm trying to get the following code to work: import { TextToSpeech } from '@ionic-native/text-to-speech/ngx ... questions/65926268/ionic-text-to-speech-not-canceling-on-ios-device...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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204 views

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indexing - How does Annoy Index the embeddings?

I am trying to understand how Annoy Indexing works..I have referred the following documents: https://github ... .com/questions/65926267/how-does-annoy-index-the-embeddings...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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324 views

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amazon ec2 - Lost connection to AWS EC2 instance with Remmina

Appreciate any help for my issue as I'm new to AWS. I have scoured here and elsewhere (including AWS doc ... com/questions/65926227/lost-connection-to-aws-ec2-instance-with-remmina...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to Iterate or Loop the Python Script for the range

I have built a python script to plot an image file, it works fine. When I want to plot multiple image files ... 65926196/how-to-iterate-or-loop-the-python-script-for-the-range...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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116 views

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java - Can I check programmatically on a system how many threads would be efficient?

I have a application that I hard coded to use 4 threads/player. However, (on a dedicated system) more ... check-programmatically-on-a-system-how-many-threads-would-be-efficient...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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93 views

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javascript - Animation help (ID:1738EH)

When I mouse enter the shoe1 i want the text1 to opacity 1 and go down some pxs, then when i ... question from:https://stackoverflow.com/questions/65926129/animation-help-id1738eh...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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69 views

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javascript - How to check whether an object is empty?

I'm learing JavaScript. I cannot grasp the idea of an empty object. As I understand, there are situations when I ... .com/questions/65926112/how-to-check-whether-an-object-is-empty...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Django: How to display a pdf file in a new tab?

Most of the posts showing how to open a pdf file in a new tab are 3 years old. What is the best way in Django ... /questions/65926111/django-how-to-display-a-pdf-file-in-a-new-tab...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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220 views

1 answer

flutter - Why isn't Navigator.pop() refreshing data?

Hi guys I'm trying to build an app with flutter, so I have two screens HomeScreen() and ... /stackoverflow.com/questions/65926055/why-isnt-navigator-pop-refreshing-data...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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194 views

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javascript - JSDoc intelisense for returned object

How to get IntelliSense working for the c variable inside the fn function, I am using VS Code. I ... ://stackoverflow.com/questions/65926935/jsdoc-intelisense-for-returned-object...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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340 views

1 answer

How can I get an R environment via Sys.getenv() with GitHub Actions using secrets?

I would like to use Sys.getenv() to retrieve an environment variable. Locally, I'm able to save a .Renviron ... -an-r-environment-via-sys-getenv-with-github-actions-using-secret...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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283 views

1 answer

Azure Database for PostgreSQL: "InvalidInputs" error restoring an LTR backup from Azure Backup Vault

I am trying to restore an long-term retention (LTR) Azure Database for PostgreSQL database backup using Azure ... -for-postgresql-invalidinputs-error-restoring-an-ltr-backup-fro...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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444 views

1 answer

compilation - How to pass LDFLAGS for ansi compiler

I want to compile krb5 with openldap support on HPUX, gcc is too outdated(4!) so I use the HP ansi ... //stackoverflow.com/questions/65926877/how-to-pass-ldflags-for-ansi-compiler...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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74 views

1 answer

javascript - Dynamically add google maps div into DOM

I'm wanting to add the Google Maps API div, <div id="map"></div> within a card that's ... //stackoverflow.com/questions/65926829/dynamically-add-google-maps-div-into-dom...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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300 views

1 answer

c - Function that determines if an array starting at a certain cell contains a string?

This question already has answers here: question from:https://stackoverflow.com/questions/65926802/function-that-determines-if-an-array-starting-at-a-certain-cell-contains-a-strin...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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125 views

1 answer

python - Tensorflow classification model returns incorrect output shape

I am making a simple binary classification model, that takes 30 timestamps with 5 features and ... /65926784/tensorflow-classification-model-returns-incorrect-output-shape...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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65 views

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javascript - Timer is not running as expected

In my tank game (not unlike awesome tanks for reference) I have created a timer for my bullet but when ... //stackoverflow.com/questions/65926715/timer-is-not-running-as-expected...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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372 views

1 answer

python - How can estimate cox model with lifelines package?

I want to estimate cox models but when I try to run the code ,I have an error. it seems this problem ... .com/questions/65926665/how-can-estimate-cox-model-with-lifelines-package...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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264 views

1 answer

How to get total members with certain tags on mailchimp API v3.0?

Is there a way to return the total members in a specific list that have a certain tag? I'm trying to do this ... how-to-get-total-members-with-certain-tags-on-mailchimp-api-v3-0...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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342 views

1 answer

How can a Blazor server side app redirect from http://hostname to http://hostname/route1 on load?

For several of the sites I have built using MVC/TypeScript or MVC/Angular I have needed to redirect the user ... blazor-server-side-app-redirect-from-http-hostname-to-http-hostnam...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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202 views

1 answer

How will SQL Server query a table partitioned using a calculated field if the predicate col is a factor in the field?

Imagine you have table t where statusID is a calculated field based on status. 'Live'=1, 'Deleted'=2 and so ... server-query-a-table-partitioned-using-a-calculated-field-if-the-pr...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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96 views

1 answer

php - fullcalendar on localhost console errors

I'm running php -S localhost:8000 with this index.php file: <!DOCTYPE html> <html> <head> ... https://stackoverflow.com/questions/65926534/fullcalendar-on-localhost-console-errors...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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