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Questions tagged [blaze]

Blaze is a NumPy/Pandas like interface to data analytics developed by Continuum Analytics.

Blaze is intended to provide an expressive, compact set of foundational abstractions for composing computations over large amounts of semi-structured data.

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How to close a DB session when opened with Blaze

In the Docs it was mentioned how to open a connection to a DB with Blaze's Data. db = Data('postgresql:///user:pass@hostname') I did like above and then got the following message when I try to do any update operations (like drop table) on that DB…
Kevad
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Big Data with Blaza and Pandas

I want to know if this approach would be an overkill for a project. I have a 4gb file that obviously my computer cant handle. Would using Blaze to split the file into more manageable file sizes and open with pandas and visualize with Bokeh be an…
Joseph
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Can't load large file (~2gb) using Pandas or Blaze in Python

I have a file with >5 million rows and 20 fields. I would like to open it in Pandas, but got an out of memory error: pandas.parser.CParserError: Error tokenizing data. C error: out of memory I have then read up some posts on similar issues and…
KubiK888
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How to query by date using Blaze for mongo backend?

I'm trying out Blaze with a mongodb backend, using the github torrent as data source. I've setup the tunnel and can access the db via the ssh tunnel ssh -L 27017:dutihr.st.ewi.tudelft.nl:27017 ghtorrent@dutihr.st.ewi.tudelft.nl from datetime import…
jasmine
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python blaze postgresql can't print "distinct" iris species

Going through this tutorial about blaze, but using the iris dataset in a local postgresql db. I dont seem to get the same output as shown when using db.iris.Species.distinct() (see In 16 of the Ipython notebook). My connection string is…
user965586
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Configure Blaze and start Bokeh server from Pyramid web-application

I have a Pyramid web-application on which the customer would like the ability to plot large data sets interactively. The application currently displays a sub-set of the customer's selected data with zoom, pan, hover, etc. capabilities using D3.…
katmeg
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Filtering dates within Blaze Table

I'm using Blaze (0.6.3) with Anaconda 2.1.0 (on Python 2.7.8). I'm trying to use filters based on dates on Table's rows. The mock TSV file is the following: name amount date foo 100 2001-05-11 08:54:48.063856 bar 1000 0001-01-01…
pazqo
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is there a way to make advance payment for the Blaze plan in firebase?

We are setting up a website to be hosted on firebase, and we wanted to pay the hosting costs for two years in advance. Is there anyway to do this in the Blaze plan ? if not, what are the options to do this, can automatic charging from our account,…
Hanad
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firebase blaze firestore role

I have a blaze account on firestore. I'm trying to create a new firestore database and get this message: "To manage Cloud Firestore, ask a project owner for the necessary permissions" My roles: Cloud Storage for Firebase Admin, Firebase…
geanni Barbulescu
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Unresolved External Symbol Error C++ While Adding New Library

I am trying to use Blaze C++ Library so I downloaded this library and successfully added to my project and used basic functionalities , but for extra functionalities I have to add BLAS and LAPACK library too. so i downloaded these packages .lib and…
Mahdi
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MeteorJS not displaying anything on running application in localhost:3000

I am new to MeteorJS, and I am using Linux. As a basic newbie, I decided to stick to the tutorials on their official website. I went to follow the to-do list tutorial and selected the blaze option. At around step 6 or 7 the tutorial mentioned that…
Panav Mendiratta
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How to pass variable through template Data in meteor js?

I want to pass data through template but i am getting undefined i have two variables inside the customer template and when user click i want to pass these two var to the next template customerchathistory like Template.customer.events({ async…
Nitin tiwari
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How can I prevent a Template from re-rendering every element in a {{#each}} block?

Suppose I have a template that fetches an array from the cloud... or something. Then I render each element in that array using another template, like so: