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I'm currently using OpenGL2 for one of my projects and I want to render a PointCloud. I can also ... from:https://stackoverflow.com/questions/65832399/opengl-drawarrays-with-color...

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

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virtualbox - VM over another VM in Virtual Box

Can I create a VM using virtual box over another VM which is executing on a rack server. I tried to ... /stackoverflow.com/questions/65832391/vm-over-another-vm-in-virtual-box...

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

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r - ARIMAX Intervention time series analysis

i want to applied an interrupted time series analysis about impact of disaster on nightlight intensity. ... .com/questions/65832374/arimax-intervention-time-series-analysis...

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

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docker - Logged in to ACR on the host, can I use that inside container?

We're moving our Jenkins setup to Azure. Once I have an Azure node, I run the following: az login -i az acr login ... /logged-in-to-acr-on-the-host-can-i-use-that-inside-container...

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

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payment - Retrieve Credit Card Artwork

ApplePay retrieve the artwork of a credit card when a card is registered for use. Is it possible to ... :https://stackoverflow.com/questions/65833084/retrieve-credit-card-artwork...

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

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flutter - Adding list depending on a variable

I want to add a list to another list. That's not hard, I did it with list = list + test1;, but ... :https://stackoverflow.com/questions/65833070/adding-list-depending-on-a-variable...

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

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r - In the case of the same SD, the difference between One sample t-test and Two sample t-test

In the case of the following program, I can think simply it has two times probability between One sample t-test(0. ... same-sd-the-difference-between-one-sample-t-test-and-two-sam...

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

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Controlling format of Jupyter Notebook HTML export

I recently reinstalled Jupyter on my desktop PC, and HTML exports created from Jupyter Notebook files now ... questions/65833030/controlling-format-of-jupyter-notebook-html-export...

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

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java - android.animation.ObjectAnimator cannot be cast to com.google.android.gms.maps.model.LatLng

guys, I'm, trying to store ObjectAnimator in a Hashmap Like this. public CustomHashMap<Integer, Marker, Vehicle, ObjectAnimator ... -cannot-be-cast-to-com-google-android-gms-maps-m...

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

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unable to post data using JavaScript XHR to PHP

I am trying to post a variable to php method but when i am trying through XMLHttpRequest, in browser console ... questions/65833005/unable-to-post-data-using-javascript-xhr-to-php...

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

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ios - DispatchQueue doesn't behave like serial queue

By using following code, I am expecting that every time the func is caled, minimum time between executions ... .com/questions/65832975/dispatchqueue-doesnt-behave-like-serial-queue...

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

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c# - Why I get another Date format in my Index Page

I notice one mistake in my Index Page and I try to figure out what happen. When I try to insert Date in ... /questions/65832941/why-i-get-another-date-format-in-my-index-page...

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

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python - Is there another way to determine a file's mime type by using the magic numbers?

I would like to be able to take a file that does not have a file extension and determine what mime type it is by ... -way-to-determine-a-files-mime-type-by-using-the-magic-numbers...

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

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python - How to apply hover and formatting simultaneously to QPushButton?

I'm trying to change background color of QPushButton element when hovered. Also, I need to keep my ... 65832890/how-to-apply-hover-and-formatting-simultaneously-to-qpushbutton...

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

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ggplot2 - R: arranging multiple plots together using gridExtra

I am using the R programming language. I am trying to arrange "plot1, plot2, plot3, plot4" on the ... .com/questions/65832784/r-arranging-multiple-plots-together-using-gridextra...

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

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python - How Do I Play An Audio Whenever I Click On a Specific Key On The Keyboard?

So, my idea is to create a program (using the "Keyboard" module) that, while I am pressing on a key ("Enter", ... -play-an-audio-whenever-i-click-on-a-specific-key-on-the-keyboard...

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

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android - Conflicting dependency but need to keep both

In a multiplatform project we have two dependencies which has the same classes under the same package. Common ... /questions/65832709/conflicting-dependency-but-need-to-keep-both...

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

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php - imagecreatefrompng on PHP8 returns FALSE

On PHP 7.4.4 (Windows), imagecreatefrompng( $pngFile ) returns Image resource, as expected. After ... /stackoverflow.com/questions/65832708/imagecreatefrompng-on-php8-returns-false...

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

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arrays - How to combine the sequence of objects in jq into one object?

I would like to convert the stream of objects: { "a": "green", "b": "white" } { "a": "red", "c": ... given-a-set-of-json-strings-without-commas-append-them-into-json-list-using-jq...

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

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node.js - Try/catch sends email and creates DB entry even though it shouldn't

I have a problem regarding try/catch in Node.JS, to be more exact in Express. I have an app for selling ... try-catch-sends-email-and-creates-db-entry-even-though-it-shouldnt...

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

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rust - How do I create a Path with a static lifetime from a string with a short lifetime?

I'm currently trying to implement a shell built in Rust for practice, I've managed to implement most features, however ... with-a-static-lifetime-from-a-string-with-a-short-lifetim...

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

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reactjs - React-Native: When to use Class- or Functional-Components?

I am pretty new to react/react-native and want to develope my first app. During programming I saw that ... /65832589/react-native-when-to-use-class-or-functional-components...

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

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python - Interactive Broker - No Security Definition has been found for the request

I am trying to get historical data of a specific stock from IBKR, but it seems like the testApp() ... interactive-broker-no-security-definition-has-been-found-for-the-request...

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

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mysql - SQL Sort By Related Table's Count In WordPress Ajax

I want to sort search results by count of the taxonomy's items. Normally it sorts as names of same table. ... /questions/65832549/sql-sort-by-related-tables-count-in-wordpress-ajax...

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

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oracle - How can we enter many values in a SQL parameter - SQL Developer?

In SQL Developer, we can use parameters in order to test our query with different values - for example: I have a ... how-can-we-enter-many-values-in-a-sql-parameter-sql-developer...

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

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reactjs - undefined is not an object evaluating ('_this.state') Error

Whenever I resolve this problem a new issue arises like Can't find variable: state , so what's happening ... /65832476/undefined-is-not-an-object-evaluating-this-state-error...

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

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android - Is it possible to add many children with the same name without rewriting the existing one in Firebase Realtime Database?

I would to know if is it possible to add field to a child that already contains the same field? Specifically, I ... -add-many-children-with-the-same-name-without-rewriting-the-exi...

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

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javascript - Color based on value of innerHTML

I'm new to web dev and need help. How do I change the color based on the value? <mat-accordion ... https://stackoverflow.com/questions/65832428/color-based-on-value-of-innerhtml...

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

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