mba | Scattered data interpolation with multilevel B-Splines | Game Engine library
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kandi X-RAY | mba Summary
Scattered data interpolation with multilevel B-Splines
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Lines of Code : 40License : Permissive (MIT)
Copy#include
int main() {
// Coordinates of data points.
std::vector<2>> coo = {
{0.0, 0.0},
{0.0, 1.0},
{1.0, 0.0},
{1.0, 1.0},
{0.4, 0.4},
{0.6, 0.6}
};
// Data values.
std Community Discussions
Trending Discussions on mba
QUESTION
Problem
I have a large JSON file (~700.000 lines, 1.2GB filesize) containing twitter data that I need to preprocess for data and network analysis. During the data collection an error happend: Instead of using " as a seperator ' was used. As this does not conform with the JSON standard, the file can not be processed by R or Python.
Information about the dataset: Every about 500 lines start with meta info + meta information for the users, etc. then there are the tweets in json (order of fields not stable) starting with a space, one tweet per line.
This is what I tried so far:
- A simple
data.replace('\'', '\"')is not possible, as the "text" fields contain tweets which may contain ' or " themselves. - Using regex, I was able to catch some of the instances, but it does not catch everything:
re.compile(r'"[^"]*"(*SKIP)(*FAIL)|\'') - Using
literal.eval(data)from theastpackage also throws an error.
As the order of the fields and the legth for each field is not stable I am stuck on how to reformat that file in order to conform to JSON.
Normal sample line of the data (for this options one and two would work, but note that the tweets are also in non-english languages, which use " or ' in their tweets):
...ANSWER
Answered 2021-Jun-07 at 13:57if the ' that are causing the problem are only in the tweets and desciption
you could try that
QUESTION
I have an AJAX which returns this array:
...ANSWER
Answered 2021-Jun-09 at 17:41The problem is that you are adding the whole card in the foreach loop. Try getting the card declaration outside the loop, and closing after it, then adding it to the container, like this:
QUESTION
I've got this JSON:
...ANSWER
Answered 2021-Jun-08 at 21:07select doesn't scale well. Instead, I would write a function similar to from_entries for converting tag arrays to objects, and use it like this:
QUESTION
I have a scenario where i want to write SQL case logic for below
Not understanding when to make use of symbol '<>'
Logic 1 :
...ANSWER
Answered 2021-May-27 at 10:58Use two case expressions. I think you want:
QUESTION
I am scraping web with python and getting data to .csv file that looks like this. If I append to the file, I might have some repeated/duplicate data. To avoid that what can i use? I am not sure about pandas - If i should open the file in pandas and then drop duplicates. I tried other methods of my own, but was unable to come up with a solution. I was thinking of using pandas as the last option
...ANSWER
Answered 2021-May-20 at 12:27Maybe read through the lines one at a time, store them in a set (so there's no duplicates), and then write them back?
QUESTION
Model Class Code
...ANSWER
Answered 2021-May-17 at 12:26When you try to map a node from the Realtime Database into an object of type "DeleteEditEventsModel", the name of the fields that exist in your class must match the name of your properties that exist in your database. Unfortunately, in your case, the fields don't match. See, the fields in your database start with "Event", while in the class are not, and this is not correct.
To solve this, you have two options, you either change the name of your properties in the database to match the one in the class, or you can use an annotation in front of the getters. For example, if you have a field called "date" and the property in the database is called "EventDate", your getter should look like this:
QUESTION
I am trying to get the second last value in each row of a data frame, meaning the first job a person has had. (Job1_latest is the most recent job and people had a different number of jobs in the past and I want to get the first one). I managed to get the last value per row with the code below:
first_job <- function(x) tail(x[!is.na(x)], 1)
first_job <- apply(data, 1, first_job)
...ANSWER
Answered 2021-May-11 at 13:56You can get the value which is next to last non-NA value.
QUESTION
I am using a MBA with the M1 chip. I tried Zulu JDK for M1 for development, and it works, however it does not work with OpenJFX. I have narrowed down the problem using Zulu vs AdoptOpenJDK. Does anyone have any idea when OpenJDK will be compatible with the M1 chip?
...ANSWER
Answered 2021-May-03 at 23:25There is an official sub-project on the OpenJDK project for porting to the Apple Silicon hardware, JEP 391: macOS/AArch64 Port.
That work is marked as done, built for Java 17 to be delivered in September of 2021. Expect to find it from at least a few of the several vendors providing an implementation of Java 17.
Might be available now in early-access Java 17, though I do not see it on this page listing early-access builds.
The Apple Silicon port benefits from work done on the Windows on ARM port. That work is done, delivered in Java 16, the current version of Java. Previous to that, Linux on ARM support was added to Java 9.
If you care about the progress of the Apple Silicon port:
- Refer to JEP 391
- Track the linked issue page
- Participate in the OpenJDK process.
- Try using the early-access releases, and file issue tickets where appropriate.
- Read the mailing lists.
If you need further assistance with that Azul product, you can purchase support from that company. Or post a Question here with the detailed specifics of your JavaFX work and its point of failure on Apple Silicon. Ideally, provide a minimal example of code demonstrating the problem.
QUESTION
I am preprocessing data received on a survey through a .csv file. This column contains the course name the students have taken. Since this has been typed out by them, there are different ways the same course name has been spelled out. For e.g.: the course name 'B.A. L.L.B.' has been typed out like 'Ballb' or 'bal.l.b.' etc. I've tried the most basic brute force approach I could think of where I take all the options in an if statement and replace them with the generic course spelling but I'm still getting tonnes of values the program has not been able to group into one of those statements. Is there a faster way to group them together?
...ANSWER
Answered 2021-May-02 at 16:36How about something like this?:
QUESTION
I have a data like below How to print the data which is between two tags I want the data to be command-separated csv format
My approach was to convert data to horizontal format and then cut after every 4th column and convert to vertical
Data in xml file
...ANSWER
Answered 2021-Apr-24 at 18:00With your shown samples only could you please try following.
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