Questions tagged [import]

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Best practices/policies regarding encoding of files accepted for processing?

We have a contact import process we wrote a long time ago that takes a csv file and pulls the data into a database, based on various options and column possibilities. Customers can supply files to us ...
1
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2answers
121 views

Why should imports be made at the beginning

Why is it considered good style to do all imports in a python application at the beginning, even if what is imported is used only once? I have been programming only shorter pieces of software for a ...
2
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2answers
749 views

Is importing wildcards a bad idea?

If I do this import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Paint; Then why don't I do this, it's more convenient ...
7
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3answers
421 views

System Design: Very Large CSV Imports Every Month

We have a webapp that will rely on large CSVs from external vendors every month. When I say large, we are looking at around 6gb so a few million rows. Probably, 2-5 CSVs. This webapp will also allow ...
2
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1answer
119 views

Maintainable way for keeping objects in memory

I am trying to figure out the best way to keep objects in memory without having them scattered everywhere within the code. For example: I have a PyQT menu system which interacts with objects. ...
0
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2answers
910 views

Best way to import a large module to use in different modules

I have a python module dataProcessor.py which initialises a large amount of data into memory (approximately 3GB) I want to use this module in different processes which are running simultaneously. ...
4
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5answers
7k views

Import large csv files

I've been tasked to query 2 large csv files which are roughly 1 GB in size each. The files contain related data, so file one may contain a list of order numbers, Order Dates, etc and the file may ...
1
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2answers
206 views

How can I include common strings (regexes) in several projects written in different languages?

I have a simple Go library (~300 lines, mostly type declarations and nice methods and compatibility methods for gomobile etc., also pretty-printing scripts). The heart of the whole project are two ...
3
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1answer
67 views

Interactive review of data in modal before inserting in db

I'm looking for a conceptual approach to a problem. I'm building a web app that imports data from a source I don't control. The data quality is pretty high, but occasionally, the data does not make ...
1
vote
1answer
3k views

Should I automatically install needed modules?

I'm writing a program for my grandpa. Occasionally an update will require a new module that's not installed on his computer. I don't want to have to manually install new modules every time, but he's ...
0
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1answer
82 views

Recurring database migration

I'm importing data from older website to new one using database migrations. I have created first as one of first steps of development phase of new site. Then I planned to create another one, that will ...
2
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0answers
539 views

Optimal data structure for binary data/Java

I have several input formats mostly restricted to geotiff and some proprietary binary formats. I import them into my program and then need to export them into various other data formats (also binary) ...
1
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0answers
79 views

Help design this data import program

I want to import some data from various locations and pump it into MongoDb and some cloud services. The data starts off as JSON, I read that JSON, create some objects in mongo, go to the next level ...
0
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1answer
72 views

Plugins and exporting an API between python scripts

I've got a python script, which should read a subdirectory and make all the scripts within it callable like this: python mainscript.py subscript arguments I've figured out most of the details but I'...
4
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3answers
1k views

Python - defining exit method before importing

This breaks nothing (in my experience), but lots of things "don't break anything" and are still wrong. #! /usr/bin/env python """Short description of this module.""" def preferred_exit_method(*args):...
0
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1answer
81 views

Is it okay to check in changes to import statement on opensource projects on a commit? [duplicate]

There are some guidelines out there (eg scala guidelines) and I'm wondering if it's okay to do some tidying up when committing other changes or if the commits should be more focused and to the point? ...
3
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1answer
803 views

Using naming conventions to make `import *` safer in Python

Consider the following code: a.py import os def print_rand(): print os.urandom() And another module: b.py from a import * In this code, I end up with an os variable getting imported from a. ...
8
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4answers
3k views

When to import names into the global namespace? (using x::y, from x import y etc.)

I've been programming in various languages for about 10 years now. And I still haven't figured out when it is a good idea to import something into the global namespace (using x::y in C++, from x ...
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2answers
348 views

Ideal “intermediate” file format to use for structured/styled text? [closed]

I have files that I want to make available in an variety of formats: HTML PDF EPUB Plain Text (maybe) Most of the files will be sourced in doc, docx, or rtf format, so that needs to be considered. ...
40
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3answers
5k views

Experience of Python's “PEP-302 New Import Hooks” [closed]

I'm one of the developers of Ruby (CRuby). We are working on Ruby 2.0 release (planned to release 2012/Feb). Python has "PEP302: New Import Hooks" (2003): This PEP proposes to add a new set of ...
5
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2answers
1k views

Development Patterns for dealing with Data Import / Export

I have a ASP.NET web based application that allows the end user to export data to a flat file format. (essentially taking a point-in-time backup of their work) At a later date they can re-upload (...
0
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2answers
699 views

Script/tool to import series of snapshots, each being a new edition, into GIT, populating source tree? [closed]

I've developed code locally and taken a fairly regular snapshot whenever I reach a significant point in development, e.g. a working build. So I have a long-ish list of about 40 folders, each folder ...