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I am using Firebase and I have had no problems getting data in alphabetical order until recently. I never used queries, I ... pass") } } } }) 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 get 2D coordinates on window for 3D object in javafx

In javafx if we have 2D HUD (made of Pane and then out of it we create SubScene object for 2D Hud) and ... English.Can Someone help with this? 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 - Converting a string that represents a list, into an actual list object

I have a string that represents a list: "[22, 33, 36, 41, 46, 49, 56, 72, 85, 92, 95, 98, 107, 118, ... sure how I would set that up as a regex. 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 - Add legend to scatter plot (PCA)

I am a newbie with python and found this excellent PCA biplot suggestion (Plot PCA loadings and loading in biplot ... is easier in another way! 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 - How to find horizon line efficiently in a high-altitude photo?

I am trying to detect the horizon in images taken from high altitude, so as to determine the orientation of the camera ... C if that's too slow. 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 - Build list of selectors with LESS

General problem I have media queries, where I change certain text elements like so: body.single .entry-content p, ... this all the wrong way? See Question&Answers more detail:os...

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

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kubernetes - chown: changing ownership of '/data/db': Operation not permitted

Can we use nfs volume plugin to maintain the High Availability and Disaster Recovery among the kubernetes cluster? ... DR in kubernetes cluster? See Question&Answers more detail:os...

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

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java - JTextArea appending problems

Im making a backup program, and I want everything that i have the program backing up displayed on a JTextArea. well, ... ) { publish(txt); } } 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 change a set element?

I want to change the element in a set, so I used set<T>::iterator. However, the compiler argues "the element ... it and then insert a new one? 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 - Is it the last `script` element the currently running script?

Is it safe to assume that the last script element* in the document when the script runs** is the currently running ... 't be loaded yet, right? See Question&Answers more detail:os...

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

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java - How to set SameSite and Secure attribute to JSESSIONID cookie

I have a Spring Boot Web Application (Spring boot version 2.0.3.RELEASE) and running in an Apache Tomcat 8. ... headers in Spring Boot, please? 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++ - What is the proper function for comparing two C-style strings?

So I have a dilemma. I need to compare two C-style strings and I searched for the functions that would be ... The other three leave me clueless. 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# - Replace part of a JSON with other (using a string token)

I'm having an issue that I cant fix, I seek and seek in different places, but I still without find it ... or numeric) Example in NetFiddle. See Question&Answers more detail:os...

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

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java - How to use .nextInt() and hasNextInt() in a while loop

So I want my program to read an input, which has some integers in one line, for example: 1 1 2 Then it ... integers. What am I missing here? 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 - open a custom popup on browser window/tab close

I am trying to open a custom popup on browser window/tab close. In details if a user clicks on the browser ... this page?'; return message; } See Question&Answers more detail:os...

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

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class - Template in Fortran?

I have a module that defines three types and and some operations on them. In a separate module, I want to ... class templates in C++. 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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javascript - Three.js add an object to a group but keep global position/rotation/scale as it was

I want to move an object from one group (or world/scene) to another group, but keep it's global transformation ... on how do do this? 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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Java SPNEGO Authentication & Kerberos Constrained Delegation (KCD) to backend service

I have a Java web application which do SPNEGO authentication of clients in a Windows Active Directory environment. To ... any input on this. 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 get the text of a MessageBox when it has an icon?

I am working on trying to close a specific MessageBox if it shows up based on the caption and text. I have it ... icon? I'm not really sure. 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 - Fastest method to calculate sum of all packed 32-bit integers using AVX512 or AVX2

I am looking for an optimal method to calculate sum of all packed 32-bit integers in a __m256i or __m512i. ... term of speed/cycle reduction. See Question&Answers more detail:os...

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

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PostgreSQL multi-row updates in Node.js

As i already found here On Stackoverflow it is possible to update multiple rows in one query by doing ... updating in NodeJS pg package 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# - .Net regex matching $ with the end of the string and not of line, even with multiline enabled

I'm trying to highlight markdown code, but am running into this weird behavior of the .NET regex multiline option ... ) What am I missing? See Question&Answers more detail:os...

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

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algorithm - Big O when adding together different routines

Lets say I have a routine that scans an entire list of n items 3 times, does a sort based on the size, and then ... that I have it typed out :) See Question&Answers more detail:os...

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

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Invalid JSON parsing using PHP

I'm pulling a JSON feed that is invalid JSON. It's missing quotes entirely. I've tried a few things, ... on this string. It returns nothing. 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# - Bind multiple ComboBox to a single List - Issue: When I choose an item, all combo boxes change

I am creating a ComboBox array dynamically and the DataSource for all the ComboBox is a single integer list that ... can I stop these behavior? 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 make image caption width to match image width?

I'm attempting to style this: <div class="figure"> <img src="/some/image.jpg"> <p class="caption"> <span class= ... it down below.</p> </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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jdbc - java error (No suitable driver found)

public class ReportView extends JFrame { Connection con=null; void showReport() throws SQLException, ClassNotFoundException, ... is the wrong? See Question&Answers more detail:os...

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

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sql - ORA 00904 Error:Invalid Identifier

I have installed Oracle 10g in my virtual XP and created a table using create table reg1 ( fname varchar2(30), ... what I have done wrong here. See Question&Answers more detail:os...

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

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