mixture | Heterogeneous cluster task manager

 by   dshaw JavaScript Version: 0.1.3 License: No License

kandi X-RAY | mixture Summary

kandi X-RAY | mixture Summary

mixture is a JavaScript library. mixture has no bugs, it has no vulnerabilities and it has low support. You can install using 'npm i mixture' or download it from GitHub, npm.

Heterogeneous cluster task manager
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            kandi-support Support

              mixture has a low active ecosystem.
              It has 88 star(s) with 7 fork(s). There are 4 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              mixture has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of mixture is 0.1.3

            kandi-Quality Quality

              mixture has no bugs reported.

            kandi-Security Security

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

            kandi-License License

              mixture does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              mixture releases are not available. You will need to build from source code and install.
              Deployable package is available in npm.

            Top functions reviewed by kandi - BETA

            kandi has reviewed mixture and discovered the below as its top functions. This is intended to give you an instant insight into mixture implemented functionality, and help decide if they suit your requirements.
            • Mixin .
            • function that calls the ready state
            • Combine a and b .
            • compute a c b
            • loops over the current loop
            • Factory for XMLHttpRequest .
            • open XMLHttpRequest
            • the main logic for the converter .
            • zQuery - Binder
            • update an options object
            Get all kandi verified functions for this library.

            mixture Key Features

            No Key Features are available at this moment for mixture.

            mixture Examples and Code Snippets

            Runs Gaussian Mixture .
            pythondot img1Lines of Code : 11dot img1no licencesLicense : No License
            copy iconCopy
            def main():
                X, Y = get_data(10000)
                print("Number of data points:", len(Y))
            
                model = GaussianMixture(n_components=10)
                model.fit(X)
                M = model.means_
                R = model.predict_proba(X)
            
                print("Purity:", purity(Y, R)) # max is 1, high  

            Community Discussions

            QUESTION

            Accessing Aurora Postgres Materialized Views from Glue data catalog for Glue Jobs
            Asked 2021-Jun-15 at 13:51

            I have an Aurora Serverless instance which has data loaded across 3 tables (mixture of standard and jsonb data types). We currently use traditional views where some of the deeply nested elements are surfaced along with other columns for aggregations and such.

            We have two materialized views that we'd like to send to Redshift. Both the Aurora Postgres and Redshift are in Glue Catalog and while I can see Postgres views as a selectable table, the crawler does not pick up the materialized views.

            Currently exploring two options to get the data to redshift.

            1. Output to parquet and use copy to load
            2. Point the Materialized view to jdbc sink specifying redshift.

            Wanted recommendations on what might be most efficient approach if anyone has done a similar use case.

            Questions:

            1. In option 1, would I be able to handle incremental loads?
            2. Is bookmarking supported for JDBC (Aurora Postgres) to JDBC (Redshift) transactions even if through Glue?
            3. Is there a better way (other than the options I am considering) to move the data from Aurora Postgres Serverless (10.14) to Redshift.

            Thanks in advance for any guidance provided.

            ...

            ANSWER

            Answered 2021-Jun-15 at 13:51

            Went with option 2. The Redshift Copy/Load process writes csv with manifest to S3 in any case so duplicating that is pointless.

            Regarding the Questions:

            1. N/A

            2. Job Bookmarking does work. There is some gotchas though - ensure Connections both to RDS and Redshift are present in Glue Pyspark job, IAM self ref rules are in place and to identify a row that is unique [I chose the primary key of underlying table as an additional column in my materialized view] to use as the bookmark.

            3. Using the primary key of core table may buy efficiencies in pruning materialized views during maintenance cycles. Just retrieve latest bookmark from cli using aws glue get-job-bookmark --job-name yourjobname and then just that in the where clause of the mv as where id >= idinbookmark

              conn = glueContext.extract_jdbc_conf("yourGlueCatalogdBConnection") connection_options_source = { "url": conn['url'] + "/yourdB", "dbtable": "table in dB", "user": conn['user'], "password": conn['password'], "jobBookmarkKeys":["unique identifier from source table"], "jobBookmarkKeysSortOrder":"asc"}

            datasource0 = glueContext.create_dynamic_frame.from_options(connection_type="postgresql", connection_options=connection_options_source, transformation_ctx="datasource0")

            That's all, folks

            Source https://stackoverflow.com/questions/67928401

            QUESTION

            Tensorflow ValueError: Dimensions must be equal: LSTM+MDN
            Asked 2021-Jun-14 at 19:07

            I am trying to make a next-word prediction model with LSTM + Mixture Density Network Based on this implementation(https://www.katnoria.com/mdn/).

            Input: 300-dimensional word vectors*window size(5) and 21-dimensional array(c) representing topic distribution of the document, used to train hidden initial states.

            Output: mixing coefficient*num_gaussians, variance*num_gaussians, mean*num_gaussians*300(vector size)

            x.shape, y.shape, c.shape with an experimental 161 obserbations gives me such:

            (TensorShape([161, 5, 300]), TensorShape([161, 300]), TensorShape([161, 21]))

            ...

            ANSWER

            Answered 2021-Jun-14 at 19:07

            for MDN model , the likelihood for each sample has to be calculated with all the Gaussians pdf , to do that I think you have to reshape your matrices ( y_true and mu) and take advantage of the broadcasting operation by adding 1 as the last dimension . e.g:

            Source https://stackoverflow.com/questions/67965364

            QUESTION

            Considering Dependency Injection, where should I build objects in nested logical layers?
            Asked 2021-Jun-10 at 15:45

            Let's say I have something like this

            • Controller uses Service.
            • Service has History, Source and HttpClient.
            • Source has SourceRepository and id.
              • Source is only useful for other objects after fetching information from SourceRepository.
            • History has HistoryRepository and Source.

            Below is a mixture of PHP + pseudocode (for the sake of simplicity) to ilustrate this scenario.

            ...

            ANSWER

            Answered 2021-Jun-10 at 15:45

            After reading more about Dependency Injection, Inversion of Control and Composition Root (quite awesome read by the way, suggested by @Steven), I understood what has to be done in my case.

            So regarding my questions:

            Should all object building really stay in the highest level, in this case the Controller?

            The part about highest level is correct, the rest isn't. The best place to do the object building, also called object graph is in the Composition Root, which is very close to the entrypoint of the application and/or specific route.

            Composition Root is a logical layer and it's only responsibility is composing the object graph. It may be a separate class and/or function. Although it may be in the same file as another thing, it is still a separate layer. (Read this link again).

            So in my case, what I'll do is before I get to the controller, I'll create a separate Composition class that will create everything necessary and inject only the Service to the Controller, so it can call $service->send().

            If I was to use a Dependency Injection Container, I think it wouldn't be able to instantiate Source because of id. How should I solve this?

            Incorrect. Dependency Injection Containers do have a way to instantiate classes with dynamic parameters such as scalar values or other.

            Source https://stackoverflow.com/questions/67907454

            QUESTION

            How to isolate the coefficients of the terms in a polynomial in sympy?
            Asked 2021-Jun-08 at 14:22

            In Python, I do some SymPy calculations that yield an array full of polynomials such as:

            a*(a*(a*(a + b) + b*(a + b)) + b*(a*(a + b) + b*(a + b))) + b*(a*(a*(a + b) + b*(a + b)) + b*(a*(a + b) + b*(a + b)))

            Note that this example happens to simplify to (a+b)**4, but this won't always be the case obviously. So how do I convert this expression to the following form:

            c_1*a**4 + c_2*a**3*b + ... + c_n*b**4

            And once I have such an expression, how would I extract the exponents c_1, ..., c_n? All I have is the .exp command, but it only works on expressions of the form a**n (i.e. no mixture of a and b and a coefficient of 1).

            Any help would be majorly appreciated.

            ...

            ANSWER

            Answered 2021-Jun-08 at 14:22

            The Poly class is useful (running with isympy)

            Source https://stackoverflow.com/questions/67885232

            QUESTION

            Python matching strings within substrings
            Asked 2021-Jun-08 at 03:42

            I'm writing a program to take a json formatted file and create a proxy PAC file. One of the challenges I've encountered is that the json file contains a mixture of data which is not neatly organized. I would like to summarize the data like so:

            Input data:

            ...

            ANSWER

            Answered 2021-Jun-08 at 03:42

            I could only come up with a pretty messy way to do this, but I'll try to explain with comments.

            Source https://stackoverflow.com/questions/67880928

            QUESTION

            Cuda out of memory issue with pytorch when training two networks jointly
            Asked 2021-Jun-02 at 15:11

            I try to train two DNN jointly, The model is trained and goes to the validation phase after every 5 epochs, the problem is after the 5 epochs it is okay and no problem with memory, but after 10 epochs the model complains about Cuda memory. Any help to solve the memory issue.

            ...

            ANSWER

            Answered 2021-Jun-02 at 15:11

            Don't use retain_graph = True on the second backwards pass. This flag is making your code store the computation graphs for each batch, conceivably in perpetuity.

            You should only use retain_graph for all but the last call to backward() that back-propagate through the same variables/parameters.

            Source https://stackoverflow.com/questions/67800627

            QUESTION

            Baffling variadic templates exercise
            Asked 2021-Jun-01 at 19:03

            I set myself this task to help learn variadic templates. The function add_and_cat() should take first a pair, then a variable number of ints or strings or a mixture. As it encounters these recursively, it should subtract each int from pair.first, and concatenate each string onto pair.second. The function pp just prints the pair.

            It seems to work in many cases, but in others I get a compile error claiming no matching function (at the bottom) ... even though there seems to be only one perfectly obvious candidate as far as I can tell :/ I've played around and tried to reason it out but ... no luck yet. What am I missing?

            -------------------------- Code: ----------------------------

            ...

            ANSWER

            Answered 2021-May-31 at 21:23

            It fails when the int overload has to call the string overload, ie when an int parameter preceeds a string one. You have to declare the function before you can call it:

            Source https://stackoverflow.com/questions/67780208

            QUESTION

            How to remember things when it comes to mixture of polymorphism, Inheritance, overloading, overriding, Generics as well as Casting
            Asked 2021-Jun-01 at 15:04

            I was preparing for Java Certification Exam and there are few scenarios which gets very complicated sometimes when to comes to a mixture of polymorphism, Inheritance, overloading, overriding, Generics as well as Casting.

            I am stuck with understanding these examples mentioned below :

            ...

            ANSWER

            Answered 2021-Jun-01 at 15:04

            In Java, each object (which includes arrays) has a type that is determined upon construction, e.g. using the new operator. This type never changes.

            Variables only contain references to objects. Think of a remote control. You can refer to an object using a variable having a broader type, i.e. the type of a superclass or interface of the object. But this doesn’t change the type of the object itself.

            Therefore, when you invoke an overridable method, you will always invoke the most specific method of the object’s actual type. Further, a type cast will succeed if the object’s actual type is compatible. The variable’s reference type does not tell whether the type cast will succeed, as otherwise, we wouldn’t need the runtime check at all¹.

            When you initialize a variable like

            Source https://stackoverflow.com/questions/67790829

            QUESTION

            .NET 5 API and React UI authentication using Azure AD B2C - Bearer error="invalid_token", error_description="The signature is invalid"
            Asked 2021-Jun-01 at 06:32

            As part of a new project I'm trying to integrate authentication with a React app and a .NET 5 API using Azure AD B2C. I'm almost there, I think, but when making the request I get back a 401 message with "Bearer error="invalid_token", error_description="The signature is invalid".

            • I've registered the API and React app in Azure AD B2C.
            • I've given permission to the API from the React app.
            • I've created a test scope to start
            • I can sign in to my React app and I'm given a bearer token.
            • If I inspect the token I can see the audience is my API with the client Id.
            • If I make the request, it's passing the token to the API as it should I believe.

            In my Startup.cs, I have it defined like so:

            ...

            ANSWER

            Answered 2021-Jun-01 at 06:32

            If you want to use Net Core Web API with Azure AD B2C, we need to update appsetting.json as below

            Source https://stackoverflow.com/questions/67777813

            QUESTION

            How can I dynamically assign elements of a list to cells meeting specific condition in pandas?
            Asked 2021-May-25 at 13:53

            I'm doing animal studies and using automated operant boxes that output massive csv files, I've got multiple animals running multiple sessions per day and so in order to make sense of my data I loop through multiple csv files and extract relevant data to a separate excel file. I managed to make almost all of the the code dynamic except for one crucial bit: I have to assign subject IDs to multiple ranges of rows that correspond to that subject's data.

            The way I'm currently doing it is first extracting a list of [ID]'s of 16 subjects in the order the they were run on that day and then creating a new session order column in my dataframe that tells which session the data is for. Then I've made a blank 'ID' column to which I then manually assign each range of rows from session one to the first element in the [ID] list, then the session 2 to second element and so on, here is the code example:

            ...

            ANSWER

            Answered 2021-May-25 at 13:53

            You should just create a map from session number to ID.

            Assuming your sessions will always be numbered starting at 1, this would work:

            Source https://stackoverflow.com/questions/67689267

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

            Vulnerabilities

            No vulnerabilities reported

            Install mixture

            You can install using 'npm i mixture' or download it from GitHub, npm.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            npm i mixture

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            https://github.com/dshaw/mixture.git

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            gh repo clone dshaw/mixture

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            git@github.com:dshaw/mixture.git

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