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node.js - Does Express.js support sending unbuffered progressively flushed responses?

Perl's Catalyst framework permitts you to send an progressively flushed response over an open connection. You ... end() signifying completion. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ajax - Is the anchor part of a URL being sent to a web server?

Say, there's a URL, http://www.example.com/#hello. Will the #hello thing be sent to the web server or ... standards? How do modern browsers act? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to upload image in CodeIgniter?

In view <?php echo form_open_multipart('welcome/do_upload');?> <input type="file" name="userfile" size="20" /> In ... 't know what's the error. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Two dimensional array slice in C#

I'm looking to slice a two dimensional array in C#. I have double[2,2] prices and want to retrieve the ... be something else. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - CV2: "[ WARN:0] terminating async callback" when attempting to take a picture

I am trying to take a picture from the defualt carmera with python, to do this I am using openCV (import cv2 ... occures or how to remove it See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - linq group by contiguous blocks

Let's say I have following data: Time Status 10:00 On 11:00 Off 12:00 Off 13:00 Off 14:00 Off 15:00 On 16:00 On ... :00]], [On, [15:00, 16:00]] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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rust - Simultaneous mutable access to arbitrary indices of a large vector that are guaranteed to be disjoint

Context I have a case where multiple threads must update objects stored in a shared vector. However, the ... the size of indices_to_update. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Responsive order confirmation emails for mobile devices?

I've never seen an amazing order confirmation / invoice email. Even the best html5 websites send terrible order ... you stay away from tables? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Resize images with PHP

I have a quick question that I'm not quite sure to set up. I've seen examples elsewhere but nothing ... fits within that space? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - How to pass multiple variables across multiple pages?

My website involves a user submitting data over several pages of forms. I can pass data submitted on one page ... and others to carry over? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Creating a json object in jsp and using it with JQuery

I've created a JSP application, which gets results based on a user search (using lucene). I store the results ... Any help is appreciated :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to call wcf service Asynchronously

if wcf service is design the below way then please guide me how call Add() function Asynchronously from client side. thanks ... int a, int b); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Pymodbus - Read input register of Energy meter over rs485 on uart of raspberry pi3

I have one energy meter and i am trying to retrieve voltage, freq values from meter on raspberry pi uart ... unit/Unable to decode response See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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rust - Sharing a struct with trait objects as properties across threads

I have the code below. With the commented out parts, it's working. When I uncomment the parts it does not ... required by `std::thread::spawn` See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Javafx : How can I produce an animation with 3D path?

I'm new to JavaFX, and I encountered a problem when trying to deal with animation. I know class ... Any advice would be appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - How to manage db connections on server?

I have a severe problem with my database connection in my web application. Since I use a single database ... incurr in the same problem. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How do I get the access token from a blazor (server-side) web app?

After implementing openidconnect, where does blazor store the access token? how to retrieve it? How to add ... -with-the-router-component See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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perl - How to pass a variable from a child process (fork by Parallel::ForkManager)?

My query: In the following code i had tried to bring the print $commandoutput[0] to be shifted or passed into ... $lines=shift; print $lines; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Firebase - random query

I am making and application that show a first screen with a bunch of randomly picked data from a node in ... all snapshots are of same model See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Is there any difference between "T" and "const T" in template parameter?

Is there any difference between following 2 syntax: template<int N> struct A; // (1) and template<const int N> ... for when to use each syntax ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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rust - Parameter type may not live long enough?

The following code segment gives me an error: use std::rc::Rc; // Definition of Cat, Dog, and Animal (see ... since it's a compile-time concept. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - How to set the <img> tag with basic authentication

I would like to display the image from a network camera on my web page, but the image is behind a ... credentials in the img tag? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Are HTMLCollection and NodeList iterables?

In ES6, an iterable is an object that allows for... of, and has a Symbol.iterator key. Arrays are iterables, as ... <div class="test">2</div> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python threading blocks

I am trying to write a program which creates new threads in a loop, and doesn't wait for them to finish. As ... : print 'queue empty' thanks all See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Css Content, Attr and Url in the same sentence

I have used the content attribute for a long time, and today I wanted to try something new. Instead of using JS ... bug or just my mistake? :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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404 views

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c++ - Exception Error c0000005 in VC++

Am working on VC++ Console Application. This application sends a file from AppdataRoaming folder for a period of ... me to resolve this issue See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python import module from parent package

I have the following directory structure foo/ __init__.py settings.py bar/ __init__.py myfile.py In myfile.py ... settings file from myfile.py See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Mail returns false

I'm currently using a custom made library at my job. Until just rencently the library was working perfectly. It apparently ... "<h1>test</h1>"); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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