While researching some information about threads and processes in Python, I came across with this great post about Multiprocessing in Python.
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Showing posts with label python. Show all posts
Showing posts with label python. Show all posts
Facial Recognition with Python
While researching for image recognition I came across some very interesting articles about how to perform facial recognition in Python:
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- Uses OpenCV:
Face detection with OpenCV and deep learning
How to build a custom face recognition dataset
Face recognition with OpenCV, Python, and deep learning
Face clustering with Python
OpenCV Face Recognition
OpenCV and Python K-Means Color Clustering
Hobbits and Histograms – A How-To Guide to Building Your First Image Search Engine in Python
Full article list
- Uses TensorFlow:
Building a Facial Recognition Pipeline with Deep Learning in Tensorflow
Deep Learning CNN’s in Tensorflow with GPUs
- Using OpenFace:
Face Recognition for Beginners
Secret identities wouldn’t fool modern face recognition
Creating Multi-View Face Recognition/Detection Database for Deep Learning in Programmatic Way
face-api.js — JavaScript API for Face Recognition in the Browser with tensorflow.js
Full article list
- Other:
Face Recognition with Python, in Under 25 Lines of Code
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How to perform basic image recognition with the use of Python
While searching for information about image recognition with Python, I've came across with this tutorial, with video explanation.
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Machine Learning with Python
While researching for image recognition in Python, I came across with TensorFlow, they have a tutorial and documented API.
If you'r looking for a fast and simple kick start, check the TensorFlow Image Recognition Python API Tutorial.
If you'r looking for a bit more detail kick start, check Image Recognition with 10 lines of code.
If you'r specifically looking for image recognition, check this.
You can find the TenserFlow framework here and their models here.
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If you'r looking for a fast and simple kick start, check the TensorFlow Image Recognition Python API Tutorial.
If you'r looking for a bit more detail kick start, check Image Recognition with 10 lines of code.
If you'r specifically looking for image recognition, check this.
You can find the TenserFlow framework here and their models here.
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Using Amazon S3 to Store Django Static and Media Files
Great article about using Amazon S3 to store Django static and media files.
Here's how: Using Amazon S3 to store your Django sites static and media files.
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Elasticsearch For Beginners: Indexing your Gmail Inbox
Just came across this post Elasticsearch For Beginners: Indexing your Gmail Inbox that exemplifies the usage of Elasticsearch and Python.
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Django Rest Framework Introduction
Here is an interesting article about the Djano Rest Framework: Django Rest Framework - an Introduction
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Debug Email in Web Applications
Email debugging may be painless.
This simple technique shows how one can do it in a very simple way.
It aims at Django applications, but the first technique is actually a generic one that anyone can use if Python is installed in the development machine: Debugging email on Django application development
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This simple technique shows how one can do it in a very simple way.
It aims at Django applications, but the first technique is actually a generic one that anyone can use if Python is installed in the development machine: Debugging email on Django application development
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Setting Up Django Applicatications in Production
Setting up a Django application in a production environment is not as straight forward as one usually is used to. Currently, there are two ways to deploy a Django application:
But when it comes to deploy, Django official documentation seems superseded by the Linode Library Deploy Python/Django Applications with Apache and mod_wsgi tutorials, an easy to follow step-by-step tutorial, available for several distros.
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- Deploying on our own server, using WSGI.
- Deploying on a shared hosting environment, using FastCGI, SCGI, or AJP.
But when it comes to deploy, Django official documentation seems superseded by the Linode Library Deploy Python/Django Applications with Apache and mod_wsgi tutorials, an easy to follow step-by-step tutorial, available for several distros.
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Painless Django Kickoff
I'm learning Django and, so far, I'm enjoying it.
But putting it to work, as a simple development environment on my laptop, was harder than I expected. Specially when it came to install the MySQL-Python connector.
If you'r looking for a great step-by-step tutorial, I recommend Starting a Django 1.6 Project the Right Way.
If you're starting with Django, or are having trouble setting Python with MySQL, maybe this will help: Painless Django with MySQL Install.
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But putting it to work, as a simple development environment on my laptop, was harder than I expected. Specially when it came to install the MySQL-Python connector.
If you'r looking for a great step-by-step tutorial, I recommend Starting a Django 1.6 Project the Right Way.
If you're starting with Django, or are having trouble setting Python with MySQL, maybe this will help: Painless Django with MySQL Install.
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Automatic FTP
I currently need to upload of some text files via FTP, but since some files are big, over 5Gb, I get a lot timeouts, which stops me from using the FTP mput command.
So, I've developed a small Python script to automate this task and avoid the timeouts.
It has the following features:
After setting things up for one's needs, it's quite easy to use.
To transfer all .txt files starting with "A" from the default local directory, just:
To transfer all .xml files from a specific directory "Z:\test", just:
If one needs to adapt this to either get file, i.e. download, or to support binary file, just check the Python ftplib documentation, it's quite easy.
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So, I've developed a small Python script to automate this task and avoid the timeouts.
It has the following features:
- can be scheduled;
- accepts file masks;
- assumes a default local directory where the files to be uploaded are located;
- supports text files only;
- opens the connection for each file transfer in order to avoid timeout problems;
# -*- coding: iso-8859-15 -*-
'''
Automatic FTP
'''
import sys
import string
import ftplib
import os
import glob
import datetime
# Server name or IP address
__SERVER = "server.com"
# FTP username
__USER = "username"
# FTP password
__PASSWORD = "password"
# Default local directory were files are located to be uploaded
__DEFAULT_LOCATION = "C:\\ftp\\upload"
#
# Shows the time difference.
#
def showTimeDifference(init):
td = datetime.datetime.now()-init
print "in",td.seconds,"seconds (",td.seconds/60," minutes )."
#
# Transfers the files
#
def transferFile(ftpFile):
ftpInit = datetime.datetime.now()
file = os.path.basename(ftpFile)
print "\tTransfering:",file,
ftp = ftplib.FTP(__SERVER)
ftp.login(__USER, __PASSWORD)
ftp.storlines("STOR " + str(file).upper(), open(ftpFile))
ftp.close()
showTimeDifference(ftpInit)
print ""
#
# Get the files to transfer
#
def getTransferFiles(location, mask):
result = []
for file in glob.glob1(location, mask):
result.append(os.path.join(location, file))
return result
#
# Main
#
def main(args):
fileMask = ""
fileLocation = __DEFAULT_LOCATION
if len(args) == 2:
fileMask = sys.argv[1]
elif len(args) == 3:
fileMask = args[1]
fileLocation = args[2]
else:
print "autoFTP filemask [location]"
sys.exit(0)
print "Transfer files from",fileLocation,"to", __SERVER,"..."
ftpInit = datetime.datetime.now()
for file in getTransferFiles(fileLocation, fileMask):
transferFile(file)
print "Transfer competed",
showTimeDifference(ftpInit)
#
# Main
#
main(sys.argv)
After setting things up for one's needs, it's quite easy to use.
To transfer all .txt files starting with "A" from the default local directory, just:
python autoFTP A*.txt
To transfer all .xml files from a specific directory "Z:\test", just:
python autoFTP *.xml Z:\test
If one needs to adapt this to either get file, i.e. download, or to support binary file, just check the Python ftplib documentation, it's quite easy.
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Why PHP Is Fun and Easy But Python Is Marriage Material
Dharmesh Shah has a great article about hard decisions, startups and technology.
A must read for all tech startups: Why PHP Is Fun and Easy But Python Is Marriage Material
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A must read for all tech startups: Why PHP Is Fun and Easy But Python Is Marriage Material
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Writing your own traceroute in Python through 8 easy steps
Great post in Kslice on implementing traceroute in Python:
Learning by doing: Writing your own traceroute in 8 easy steps.
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Learning by doing: Writing your own traceroute in 8 easy steps.
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Java by API examples
I was seeking information for the FilteredTree Jface object and I've found a great knowledge repository for Java, SWT, JFace EJB, and other technologies, like C#, C++, Python, SQL Server, and many more.
In the Java By API examples, everything is by example and it's hierarchically organized, which helps a lot when one's exploring Java packages, for instance.
You can take a look at it in http://www.java2s.com/.
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In the Java By API examples, everything is by example and it's hierarchically organized, which helps a lot when one's exploring Java packages, for instance.
You can take a look at it in http://www.java2s.com/.
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