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Use django query __isnull with field name containing spaces or hyphens

The basic problem is that I can't use the key-value-argument field_variable_name__isnull=True/False or ... query-isnull-with-field-name-containing-spaces-or-hyphens...

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

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359 views

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inheritance - C++ Why base class/struct constructor can't have more than one argument to be implicitly callable from derived?

Why this can't work: struct Base { Base(int a, int b) {} }; struct Derived: Base { // using Base::Base ... -base-class-struct-constructor-cant-have-more-than-one-argument-to-be-im...

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

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1.1k views

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compression - Decompress deflate archive on PHP corrupts files on Linux

When I try to decompress tar.gz or zip archive on Linux with: $phar->extractTo( $root .'/', null, ... /questions/65919665/decompress-deflate-archive-on-php-corrupts-files-on-linux...

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

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203 views

1 answer

javascript - Is there any way to change the gain individually in real time when playing a node that is a composite of two AudioBuffers?

I was having the following problems. When I run AudioBufferSourceNode.start() when I have multiple tracks, I sometimes ... -the-gain-individually-in-real-time-when-playing-a-nod...

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

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227 views

1 answer

Is it possible to simultaneously have chromedriver visible to docker and the user

I'm writing a script which opens up gog.com and then waits for you to press the q key. in the mean ... it-possible-to-simultaneously-have-chromedriver-visible-to-docker-and-the-use...

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

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162 views

1 answer

parsing - Evaluation of custom If representation terminates if a guard to a statement is false

If-statements in my language should be in the following form: if ((4 div 2) = 2)-> print(1) [] ((4 ... -of-custom-if-representation-terminates-if-a-guard-to-a-statement-is-f...

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

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182 views

1 answer

Serving index.html from nginx but keep file links intact through rewriting(?)

I am trying to have nginx serve an index.html (if present) from inside a specific (sub-)subfolder. The ... -index-html-from-nginx-but-keep-file-links-intact-through-rewriting...

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

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398 views

1 answer

React-Native-Testing-Library 'warning - an updated was not wrapped in act(...)

I think this question has been asked, but no solution was provided. I'm using RNTL trying to unit test a ... -native-testing-library-warning-an-updated-was-not-wrapped-in-act...

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

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82 views

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java - How to store multiple objects into a single entity for MySQL?

I am writing a virtual banking app. In the app, every time a session is done I want to give the user a ... /65919451/how-to-store-multiple-objects-into-a-single-entity-for-mysql...

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

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327 views

1 answer

python - Constructing 3D plot with 'negative' Z-axis below zero

We are working on a project in which we would like to construct 3D plots. Python is our main language, ... questions/65919351/constructing-3d-plot-with-negative-z-axis-below-zero...

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

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191 views

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node.js - Am I mapping ports wrong on this API call from a Docker container to a locally running API?

Some more context: I have a simple dotnetcore API endpoint (simple GET endpoint that, for now, just responds with a HTTP ... on-this-api-call-from-a-docker-container-to-a-locally-r...

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

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333 views

1 answer

Redirect 301 of folder except homepage

i have a folder i want to redirect to another folder i could do this simply with : Redirectpermanent ... stackoverflow.com/questions/65919235/redirect-301-of-folder-except-homepage...

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

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125 views

1 answer

c++ - Debugging a simple function

So our professor gave us the task to debug this code. We can use the compiler and also try to use ... from:https://stackoverflow.com/questions/65919217/debugging-a-simple-function...

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

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493 views

1 answer

powershell - Loop through Search-mailbox

I have a requirement to search mailboxes for an email based on subject line and report if the email is ... :https://stackoverflow.com/questions/65920335/loop-through-search-mailbox...

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

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304 views

1 answer

html - Applying mix-blend-mode with a grayscale

Is there a way to apply mix-blend-mode: difference with a grayscale? The background can be any color and ... .com/questions/65920291/applying-mix-blend-mode-with-a-grayscale...

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

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106 views

1 answer

c - How to add a Pointer array?

I have to add in this file a pointer that goes thru the array to add a worth. Does someone know how to ... :https://stackoverflow.com/questions/65920284/how-to-add-a-pointer-array...

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

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103 views

1 answer

java melody - JavaMelody gives no SQL statistics (DataSource JndiObjectFactoryBean)

I haven't got any SQL statistics in JavaMelody. When I look the log. I see: No ... com/questions/65920215/javamelody-gives-no-sql-statistics-datasource-jndiobjectfactorybean...

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

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438 views

1 answer

purescript - Why does using try in conjuntion with affjax's XHRError result in a mismatch on the Error type?

I'd like to be able to catch communications errors when using affjax in purescript. I try it like this: module ... -try-in-conjuntion-with-affjaxs-xhrerror-result-in-a-mismatch-on...

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

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153 views

1 answer

Deno evaluate expression/script into memory

Is there currently a way in Deno to evaluate a value? If I had a long string with a compacted ... /stackoverflow.com/questions/65920173/deno-evaluate-expression-script-into-memory...

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

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1.3k views

1 answer

python - ModuleNotFoundError: No module named 'flask_mysqldb' even if installed

I'm using mysql with flask for developing a basic website and I'm getting ModuleNotFound error even if ... /modulenotfounderror-no-module-named-flask-mysqldb-even-if-installed...

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

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434 views

1 answer

Python multiprocessing without blocking parent process

I am attempting to create a simple application which continuously monitors an inbox, then calls ... /questions/65920110/python-multiprocessing-without-blocking-parent-process...

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

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506 views

1 answer

python 3.x - How do I pass a url from a Jinja2 template to a Flask app route / function whea a parameter contains whitespace

I would like to pass a parameter to a Flask app from a Jinja2 template that contains white space. In the example ... url-from-a-jinja2-template-to-a-flask-app-route-function-whea...

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

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614 views

1 answer

spring boot - What we can use now instead of principal extractor?

Now some of previous oauth2 features become obsolete/deprecated (Like @EnableOauth2Sso etc.). As I understand it, ... 65920083/what-we-can-use-now-instead-of-principal-extractor...

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

0 votes

807 views

1 answer

reactjs - How to get 5 day weather forecast using React Hooks and OpenWeatherMap API

So I want to be able to show the 5 day weather forecast for a chosen city, using the OpenWeatherMap API and ... -get-5-day-weather-forecast-using-react-hooks-and-openweathermap-api...

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

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405 views

1 answer

Do all apps that implement huawei iap need to have a .huawei sufix in the package name?

If an app integrates huawai iap, must it have a package name with a .huawei suffix in order for it to be accepted ... implement-huawei-iap-need-to-have-a-huawei-sufix-in-the-packag...

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

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214 views

1 answer

How to operate efficiently on stream of numpy arrays?

I get a stream of measurements and organize them in numpy arrays. Even the processing of the data can be ... /65920013/how-to-operate-efficiently-on-stream-of-numpy-arrays...

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

0 votes

222 views

1 answer

linux - batch conversion from .h264 to .avi using ffmpeg

This question already has answers here: question from:https://stackoverflow.com/questions/65919955/batch-conversion-from-h264-to-avi-using-ffmpeg...

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

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113 views

1 answer

c# - Find Nearly Matching Phrase from a List of String

I want to search from a list of string and my lookup phrase has only let's say sometimes 70% matching from ... /questions/65919930/find-nearly-matching-phrase-from-a-list-of-string...

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

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