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19771 questions


1 answers
317 views
0
The firebase.firestore.fieldPath is undefined in the firebase module of nuxt.js.

I am using the firebase module in nuxt.js.I wanted to extract data in the store that had the ID of artistIds in the target table, so I created the code below, but this.$fire.firestore.FieldPath became...


1 answers
393 views
0
I want to compare python column with row data and aggregate it

I would like to ask you a question because there are some parts that cannot be solved by data preprocessing.One of the two tables is TV program viewing data based on user ID (0: I didn't see it 1: I s...

2 years ago

1 answers
332 views
0
I want to loop the data in the Excel column using R and store it in the object.

I would like to use R language to store Excel data in each column in an object.At this time, I would like to think of a program that can prepare the number of objects according to the number of column...

r
2 years ago

1 answers
411 views
0
Multidict Comparison of Two Values in Python

I,p=multidict ({1:9, 2:4, 3:7, 4:3})W,w = multidict ({1:3, 2:5, 3:4, 4:1})I'd like to create a program that compares the two values of and outputs those that meet the requirements.for in I: if p.value...

2 years ago

2 answers
445 views
0
I want to draw diagonal lines on the video using ffmpeg.

I would like to draw diagonal lines in the video.Vertical and horizontal lines -i input-vf drawerbox=10:10:1:200:color='#ff0000':8:enable='between(t,3,5)outputI was able to draw with drawbox as shown ...

2 years ago

1 answers
491 views
0
I want to create a three-dimensional graph using python and csv files.

I would like to create a 3D graph using python and csv files.The goal is to create a three-dimensional graph using CSV files such as images.(It is opened in Excel, so it is divided into cells accordin...


1 answers
350 views
0
About loading and writing C language files

I'd like to write down the results of the rock-paper-scissors match (number of wins, number of losses, number of draws) in a file and read the total, but the total number of wins will be output, and t...

c
2 years ago

2 answers
341 views
0
Error converting Java to String: Cannot convert nonconforming type; Java.lang.String to String

I was doing an exercise to string numbers in Java reference books, but when I tried to compile the code as an example, an error was displayed for the following parts:If you are familiar with Java, ple...

2 years ago

2 answers
377 views
0
About creating sln files from folders with CMakeLists.txt in C language

Created sln file from folder with CMakeLists.txt.Here's a summary of the contents:CMakeLists.txtcmake_minimum_required (VERSION 3.0.0)project(777VERSION 1.0.0)include_directories (includes)add_executa...

2 years ago

1 answers
367 views
0
Is it possible to clone data without stopping the server to replace the HDD with an SSD?

Windows Server 2012 Standard.I would like to clone the current HDD to an SSD, but I don't know how long it will take to clone it because it's an old HDD, so I want to avoid stopping the server.Could y...

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