Helium | A companion website for DataJoint

by mattbdean TypeScript Version: v1.1.2 License: MIT

X-Ray Key Features Code Snippets Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | Helium Summary

Helium is a TypeScript library. Helium has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

A Material Design webapp for DataJoint originally written with :heart: for the Svoboda Lab.

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Support

Helium has a low active ecosystem.

It has 12 star(s) with 5 fork(s). There are 6 watchers for this library.

It had no major release in the last 12 months.

There are 9 open issues and 114 have been closed. On average issues are closed in 12 days. There are 51 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of Helium is v1.1.2

Quality

Helium has 0 bugs and 0 code smells.

Security

Helium has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

Helium code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

Helium is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

Helium releases are available to install and integrate.

Installation instructions, examples and code snippets are available.

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Helium Key Features

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Helium Examples and Code Snippets

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Community Discussions

Trending Discussions on Helium

Helium select items from drop down but another element obscures it

Python helium get contents of table after click

How to realize a table with a specific elements subset

Apache Zeppelin configuration for connect to Hive on HDP Virtualbox

TypeScript: json and interface

How to implement enums with values in Scala 2.12.15

Trimming whitespace in Array

Errors using curve_fit for Guassian fit of data

Splitting pandas dataframe in python on empty rows

How do you use a random element from an array, remove that element from the array, and keep using random elements until the array is empty?

QUESTION

Helium select items from drop down but another element obscures it

Asked 2022-Apr-14 at 14:27

I have a drop down single select combo box. I can get a reference to that drop down via a CSS selector.

...

ANSWER

Answered 2022-Apr-14 at 14:27

find_all() should return you all the desired WebElements and the subscription [0] should get ou the desired element. Effectively, your code block will be: drop_down = find_all(S(".single-option-selector.no-select.selector.single-option-selector-100"))[0] select(drop_down, "23.0cm")

Source https://stackoverflow.com/questions/71872207

QUESTION

Python helium get contents of table after click

Asked 2022-Mar-10 at 14:29

I am using helium to scrape a webpage.

...

ANSWER

Answered 2022-Mar-10 at 14:29

You would need to use find_elements_... to get all

forfor, and use -loop to work with every table separatelly amd use (nested) -loop to get (row) and (header) in table, and use (nested) for-loop to get (cell) in row. And you would have to add elements to correct (nested) lists.

But this page uses normal

pandas.read_html() and this table is all time in HTML (not added by javaScript) so it can be simpler to use to get all

Source https://stackoverflow.com/questions/71420036

QUESTION

How to realize a table with a specific elements subset

Asked 2022-Mar-08 at 13:15

I have to sketch out the periodic table with ten elements through a list like the following one:

...

ANSWER

Answered 2022-Mar-08 at 13:15

Since you use tabulate, there is a solution to modify your code by:

Adding an extra row full of characters of specified size for each column at the end the array
Calling tabulate including specification of the alignment using coalign
Remove the extra row

Since the output is a string, the width of the columns is not associated with any measure e.g. in cm, so you will need to define a length scale that suits your needs, i.e. the number of characters per required width unit.

Note that 2 characters are removed from the computed width to account for the inner column margins which are 1 character left and right.

Source https://stackoverflow.com/questions/71384043

QUESTION

Apache Zeppelin configuration for connect to Hive on HDP Virtualbox

Asked 2022-Feb-22 at 16:53

I've been struggling with the Apache Zeppelin notebook version 0.10.0 setup for a while. The idea is to be able to connect it to a remote Hortonworks 2.6.5 server that runs locally on Virtualbox in Ubuntu 20.04. I am using an image downloaded from the:

https://www.cloudera.com/downloads/hortonworks-sandbox.html

Of course, the image has pre-installed Zeppelin which works fine on port 9995, but this is an old 0.7.3 version that doesn't support Helium plugins that I would like to use. I know that HDP version 3.0.1 has updated Zeppelin version 0.8 onboard, but its use due to my hardware resource is impossible at the moment. Additionally, from what I remember, enabling Leaflet Map Plugin there was a problem either.

The first thought was to update the notebook on the server, but after updating according to the instructions on the Cloudera forums (unfortunately they are not working at the moment, and I cannot provide a link or see any other solution) it failed to start correctly. A simpler solution seemed to me now to connect the newer notebook version to the virtual server, unfortunately, despite many attempts and solutions from threads here with various configurations, I was not able to connect to Hive via JDBC. I am using Zeppelin with local Spark 3.0.3 too, but I have some geodata in Hive that I would like to visualize this way.

I used, among others, the description on the Zeppelin website:

https://zeppelin.apache.org/docs/latest/interpreter/jdbc.html#apache-hive

This is my current JDBC interpreter configuration:

...

ANSWER

Answered 2022-Feb-22 at 16:53

So, after many hours and trials, here's a working solution. First of all, the most important thing is to use drivers that correlate with your version of Hadoop. Needed are jar files like 'hive-jdbc-standalone' and 'hadoop-common' in their respective versions and to avoid adding all of them in the 'Artifact' field of the %jdbc interpreter in Zeppelin it is best to use one complete file containing all required dependencies. Thanks to Tim Veil it is available in his Github repository below:

https://github.com/timveil/hive-jdbc-uber-jar/

This is my complete Zeppelin %jdbc interpreter settings:

Source https://stackoverflow.com/questions/71188267

QUESTION

TypeScript: json and interface

Asked 2022-Feb-22 at 00:43

I have an interface for an element:

...

ANSWER

Answered 2022-Feb-21 at 21:05

You can simply use the spread operator to pass the entire object in:

Source https://stackoverflow.com/questions/71212973

QUESTION

How to implement enums with values in Scala 2.12.15

Asked 2022-Feb-21 at 13:06

In Java, one can use (from https://www.baeldung.com/java-enum-values#adding-constructor)

...

ANSWER

Answered 2022-Feb-21 at 13:06

The best way to create enums in Scala is through a basic ADT like this:

Source https://stackoverflow.com/questions/71205724

QUESTION

Trimming whitespace in Array

Asked 2022-Jan-28 at 22:33

I have been trying to trim whitespaces in my long array which consists of almost all the periodic table elements but not able to find the function that does that, I did read the documentation on trim but found out that none of them work with the array.

Here is my long array

...

ANSWER

Answered 2022-Jan-28 at 11:44

Just use map with trim as:

Source https://stackoverflow.com/questions/70893155

QUESTION

Errors using curve_fit for Guassian fit of data

Asked 2022-Jan-27 at 17:41

I'm trying to do a guassian fit for some experimental data but I keep running into error after error. I've followed a few different threads online but either the fit isn't good (it's just a horizontal line) or the code just won't run. I'm following this code from another thread. Below is my code.

I apologize if my code seems a bit messy. There are some bits from other attempts when I tried making it work. Hence the "astropy" import.

...

ANSWER

Answered 2022-Jan-27 at 16:34

There are two problems with your code. The first is that you are performing vector operation on list which gives you the first error in the line mean = sum(wavelengths*intensities)/n. Therefore, you should use np.array instead. The second is that you take math.exp on python list which again throws an error as it takes a real number, so you should use np.exp here instead.

The following code solves your problem:

Source https://stackoverflow.com/questions/70881582

QUESTION

Splitting pandas dataframe in python on empty rows

Asked 2022-Jan-26 at 13:46

I have a dataframe that has multiple tables with 1 or 2 empty rows in between. I want to split based on empty rows.

There are 3 tables here. As you can see, row no. 4,5, 13,14 are blank on which the split must happen.

...

ANSWER

Answered 2022-Jan-26 at 13:46

I think in your example the rows are not NaN, it seems they're having an empty string.

Plese try the following code:

Source https://stackoverflow.com/questions/70864325

QUESTION

How do you use a random element from an array, remove that element from the array, and keep using random elements until the array is empty?

Asked 2022-Jan-12 at 01:03

This is my first stack overflow question, so if I am presenting something wrong, please let me know. I am pretty new to computer programming, so I just have a small webpage where I am just implementing things that I am learning.

I made a little quiz with random trivia multiple choice questions you can take if you press a button. I am using window prompts to ask the questions and get the answers, and I have all of the questions and answers stored as objects with question/prompt and answer pairs. All of those objects are stored in an array in a variable called shortQuizPrompts. I already have the quiz working and everything, aka., It tells you after every question if you got the answer to that question right or wrong, and it gives you a grade afterwards... I also have it set up so that if you enter an answer that is not "a", "b", "c", or "d", it lets you know that it isnt a valid answer. Those sorts of things.

As of right now, you can choose how many questions long you want the quiz to be out of the 24 total questions I have so far. It just asks the questions in the order that they are stored in the array. For example, you will never be asked the last question in the array if you do not choose for the quiz to be the full 24 questions long. However, I want to make the quiz ask the questions in a random order, while also removing those questions from the array as to not ask the same question multiple times.

I have tried increasing the iterator while looping through the array to a random number from 0 to the length of however many questions they chose. Then checking to see if the iterator was larger than the length of the number of questions they chose, it would decrease the iterator until it found a question that is still in the array that it could ask...

If anyone knows how to go about doing that, it would be great. Sorry for the long question btw. I am pretty new to coding, so this is probably a simple answer, but I digress. I'm pretty sure I did everything right. Thx.

...

ANSWER

Answered 2022-Jan-12 at 01:03

You can shuffle the shortQuizPrompts array before starting the quiz. Array shuffle details can be found in this answer.

Source https://stackoverflow.com/questions/70675105

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install Helium

Make sure to have the latest version of Docker installed. This will make Helium available at localhost:3000. To make the website accessible without a port (http://localhost), bind the container's port 3000 to the host machine's port 80. Use docker kill to stop Helium.

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Helium is written in TypeScript. A JSON API is made available using a Node.js/Express.js server and the front-end is built with Angular 6. Helium is tested with Mocha, Chai, Karma, and Protractor.

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