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c# - Why does multithreaded code using CancellationTokenSource.Cancel require less anti-reordering measures

I'm trying to understand why a shared CancellationTokenSource variable is not protected by a lock or memory barriers ... is possible at all? See Question&Answers more detail:os...

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

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object detection - tensorflow remember the index after calculating getting the maximum box

Assume that I have two arrays of boxes, each of which has the shape (?, b1, 4) and (?, b2, 4) ... and then extract out boxes for list_nonmax. 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 is it faster to print number in binary using arithmetic instead of _bittest

The purpose of the next two code section is to print number in binary. The first one does this by two ... cpu instructions run faster then two? See Question&Answers more detail:os...

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

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concurrency - Scala - Futures not starting

I want to start two workers on a Future method called extraire_phrases . I call them in my main, but it seems ... of you however for the 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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Problem accumulating/appending values in an array using recursion with Go

First of all, this is my first non-dummy program using Go. Any recommendation will be appreciated. Code ... mistake. Thanks in advance. See Question&Answers more detail:os...

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

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tfs - How to retrieve work items associated to a build in jenkins with pipeline?

When i trigger a build in jenkins pipeline i use build.changeSets variable to retrieve all the changes to send by email ... , how can i do 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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python - Pandas How to replace values based on Conditions for Several Values

I have a Dataframe with several column and below is first 3 columns in that dataframe: data_df = pd. ... be appreciated. Thanks in advance 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 - Selenium: How do I retry browser/URL when ValueError("No tables found")

I have a code that scrapes oddsportal website. Sometimes while scraping, I get ValueError("No tables found") and when ... How do I handle this? See Question&Answers more detail:os...

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How to change meta title in prestashop module?

I'm using prestashop 1.6 and one module is not editable in SEO&URL, to change is meta. Actually, i have the ... ? Thank you for your help Tony See Question&Answers more detail:os...

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

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Convert a full string (represented in exponential format) back in number in PHP

I've been searching for converting my exponential number string into an exact number. So, I've an exponential ... right way to convert 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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inheritance - error in C++, within context

I received homework to make program without casting using constructors so this is my code, I have two classes: ... here thanks for 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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html - JQuery JSON Undefined

I'm using the jquery iMask plugin found here. Here is my code: fiddle When I run it 1) it doesn't work ... and how do I fix it? 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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python - How do I have an object rebound off the canvas border?

I am using the canvas widget from tkinter to create an ellipse and have it move around in the canvas. However when ... #Move ball by dx and dy 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 to delete tensorflow model before retraining

I can't retrain my image classifier with new images, I get the following error: AssertionError: Export directory ... s location on the disk. See Question&Answers more detail:os...

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

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click - Java Get RGB value of a pixel in Icon

I am writing a MouseListener click event, when I click on a JLabel it will give me the RGB value of the ... with very large images. 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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php - Lightweight Signature Pad With jQuery And Canvas - Drawpad

There is a brand new drawing pad (pen tool) plugin from Jquery found in that link: https://www.jqueryscript.net/ ... do that ? 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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php - Can 2 .htaccess files block URL rewriting

I have a codeigniter project inside the b1 folder in my public_html folder: mydomain.com/b1/controller/function ... where project is stored 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 - Web scraping, can't get the href of a tag

I'm trying to scrape this Page https://rarity.tools/thecryptodads Using Selenium in python. At the top of the ... prevents me form scaping 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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c++ - How to Initialize HRESULT for SetMasterVolume?

#include <iostream> #include <windows.h> #include <Audioclient.h> int main(){ ShellExecute(NULL, "open", " ... I have included audioclient.h 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 - How to use Modal Form into loop in Razor view

I used the modal form to send a user value And I put a form inside the modal and put the modal in ... ; return RedirectToAction("allPerson"); } 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 - Unable to fetch file from google drive

I am working on a project where user can upload a document to my server. This file can be selected either ... Google drive in a File chooser. 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 - how to edit sqlite DB

I create one application that store data from NSDictionary in SQLite. this NSDictionary get own information from many ... ?) thanks a lot. See Question&Answers more detail:os...

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

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SOAP with literal xml in php

How do i create this specific xml output by SOAP using SoapHeader and __setSoapHeaders? I can't do the same XML like ... /s:Body> </s:Envelope> 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 - How do i select specific elements from div?

I want to get the date from this div: <div class="pandatacontcol" style=" width:160px;"> <h6>Date Qualified</h6> < ... ]"); but it doesn't work. 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 - How to display messages on pop without page reload?

I want to display the messages on my popup form without a page reload but when I hit the button it reloads ... I want to display the message. 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# - Dynamically add a column in WPF DataGrid

I am working on an MVVM WPF DataGrid application. I have a DataGrid and a multiselect CheckBox dropdown ... > </ComboBox.ItemTemplate> 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 - Creating a Navigation Bar FIXED on the top of screen

I'm creating a navigation system and currently all I have is the titles at the top of the screen, side by ... the navigation system? 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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ANdroid Development - Call state of the phone

I'm new to Android and I need to read the call state of the phone. I receive error when the app runs ( ... " Any advice will be appreciated. Thx See Question&Answers more detail:os...

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

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