By Vasudev Ram
This is a video about Unix history by Rob Pike, Unix veteran and co-creator of the Go programming language.
The History of Unix, Rob Pike
The video is also embedded below.
There is also a current HN thread about it.
- Enjoy.
- Vasudev Ram - Online Python training and consulting
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Showing posts with label videos. Show all posts
Showing posts with label videos. Show all posts
Saturday, November 10, 2018
Tuesday, May 9, 2017
Meet the world's biggest bovine, the gaur
By Vasudev Ram
I was browsing for information about the Gaur (the Indian bison, my mascot :), when I came across this nice video about them:
Meet the world's biggest bovine, the gaur.
The video is also embedded below.
- Vasudev Ram - Online Python training and consulting
I was browsing for information about the Gaur (the Indian bison, my mascot :), when I came across this nice video about them:
Meet the world's biggest bovine, the gaur.
The video is also embedded below.
- Vasudev Ram - Online Python training and consulting
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Tuesday, February 7, 2017
Video (2010): Python vs. Ruby: A Battle to the Death: Gary Bernhardt
By Vasudev Ram
Came across this video recently via a chain of links:
Video (2010): Python vs. Ruby: A Battle to the Death: Gary Bernhardt
His blog post about it:
Both video and post are from 2010.
Started watching the video, seems interesting.
The video is also embedded below.
Enjoy.
- Vasudev Ram - Online Python training and consulting
Came across this video recently via a chain of links:
Video (2010): Python vs. Ruby: A Battle to the Death: Gary Bernhardt
His blog post about it:
Both video and post are from 2010.
Started watching the video, seems interesting.
The video is also embedded below.
Python vs. Ruby: A Battle to The Death from Gary Bernhardt on Vimeo.
Enjoy.
- Vasudev Ram - Online Python training and consulting
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Thursday, January 12, 2017
Python video: Loop like a native - by Ned Batchelder
By Vasudev Ram
I saw this really good Python video a while ago, and remembered it today in the context of some Python work I was doing.
It is by Ned Batchelder at PyCon US 2013, The title of the talk is:
Loop like a native: while, for, iterators, generators
The video is also embedded below.
Basically it is about more idiomatic ways of looping in Python, which can often lead to shorter, clearer, less redundant code.
- Vasudev Ram - Online Python training and consulting
I saw this really good Python video a while ago, and remembered it today in the context of some Python work I was doing.
It is by Ned Batchelder at PyCon US 2013, The title of the talk is:
Loop like a native: while, for, iterators, generators
The video is also embedded below.
Basically it is about more idiomatic ways of looping in Python, which can often lead to shorter, clearer, less redundant code.
- Vasudev Ram - Online Python training and consulting
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Monday, December 12, 2016
Video: PyCon US 2016: Alex Martelli: Exception and error handling in Python 2 and Python 3
By Vasudev Ram
I started watching this recent PyCon US 2016 video. I found it informative and interesting:
Alex Martelli: Exception and error handling in Python 2 and Python 3
Alex Martelli is the author or co-author of some well-known Python books like Python in a Nutshell and the Python Cookbook (for at least one of the versions); I've bought and read some of them, and they are pretty good.
[ Interestingly, the Wikipedia article about Alex, linked above, says that he is also noted for coining the phrase duck typing. ]
The video is also embedded below:
- Enjoy.
- Vasudev Ram - Online Python training and consulting
I started watching this recent PyCon US 2016 video. I found it informative and interesting:
Alex Martelli: Exception and error handling in Python 2 and Python 3
Alex Martelli is the author or co-author of some well-known Python books like Python in a Nutshell and the Python Cookbook (for at least one of the versions); I've bought and read some of them, and they are pretty good.
[ Interestingly, the Wikipedia article about Alex, linked above, says that he is also noted for coining the phrase duck typing. ]
The video is also embedded below:
- Enjoy.
- Vasudev Ram - Online Python training and consulting
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Sunday, November 27, 2016
Video: Interview: GoingNative 6: Walter Bright and Andrei Alexandrescu - D Programming Language
By Vasudev Ram
I watched this video (from 2013) a few days ago:
GoingNative 6: Walter Bright and Andrei Alexandrescu - D Programming Language
Going Native [1] is a tech event, and I guess 6 refers to the 6th year or edition of it. I first saw this video on Channel 9, one of Microsoft's technology sites. That site has multiple links to the video, including downloadable, in different qualities, so you may want to check out getting it from there. [2]
[1] There seems to be rising interest in "native" (programming) languages these days (before the rise of "scripting" languages, all languages were native, i.e. they ran, after compilation, on the "metal" (i.e. the CPU), not on a language VM or interpreter, and we just called them languages, no fancy-shmancy names, ha ha :). Part of the reason for the rise in interest, as mentioned in the video, is that we are entering (or have entered) a world of multi-core and concurrency, and due to Moore's law ending (?) Anyway, native languages like D, Go and Rust are picking up these days, whatever the reason. I've used native languages like Pascal and C a lot at work earlier, so I welcome this return of greater interest in native languages, though I'm not stopping using languages like Python anytime soon either.
[2] And to download the video at the command line, check out youtube-dl, a YouTube downloader in Python. Yes, downloading a video about native languages with a tool written in a scripting language - go figure :)
The video shows an interviewer talking to both Walter Bright and Andrei Alexandrescu. Walter, who developed the first native C++ compiler, is the original creator of the D programming language and Andrei, who was a C++ expert and book author, joined him some years later to help in developing the language. The interview was somewhat wide-ranging and a bit long, and quite interesting. Many aspects of the language and the plans and in-progress work for it were talked about.
The video is also embedded below.
Happy holidays to my readers.
- Vasudev Ram - Online Python training and consulting
I watched this video (from 2013) a few days ago:
GoingNative 6: Walter Bright and Andrei Alexandrescu - D Programming Language
Going Native [1] is a tech event, and I guess 6 refers to the 6th year or edition of it. I first saw this video on Channel 9, one of Microsoft's technology sites. That site has multiple links to the video, including downloadable, in different qualities, so you may want to check out getting it from there. [2]
[1] There seems to be rising interest in "native" (programming) languages these days (before the rise of "scripting" languages, all languages were native, i.e. they ran, after compilation, on the "metal" (i.e. the CPU), not on a language VM or interpreter, and we just called them languages, no fancy-shmancy names, ha ha :). Part of the reason for the rise in interest, as mentioned in the video, is that we are entering (or have entered) a world of multi-core and concurrency, and due to Moore's law ending (?) Anyway, native languages like D, Go and Rust are picking up these days, whatever the reason. I've used native languages like Pascal and C a lot at work earlier, so I welcome this return of greater interest in native languages, though I'm not stopping using languages like Python anytime soon either.
[2] And to download the video at the command line, check out youtube-dl, a YouTube downloader in Python. Yes, downloading a video about native languages with a tool written in a scripting language - go figure :)
The video shows an interviewer talking to both Walter Bright and Andrei Alexandrescu. Walter, who developed the first native C++ compiler, is the original creator of the D programming language and Andrei, who was a C++ expert and book author, joined him some years later to help in developing the language. The interview was somewhat wide-ranging and a bit long, and quite interesting. Many aspects of the language and the plans and in-progress work for it were talked about.
The video is also embedded below.
Happy holidays to my readers.
- Vasudev Ram - Online Python training and consulting
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Wednesday, March 9, 2016
Tech Video: Rich Hickey: Hammock-Driven Development
By Vasudev Ram
Hammock image attribution.
I had seen this Rich Hickey video some time ago, and thought it was very good. Came across it again today, so decided to blog about it. The shortest summary of it is that he recommends thinking more (not just blindly jumping into doing stuff - because "we have to ship next week").
But there's a lot more to it than just a hand-waving statement. He talks a lot about the issues involved, his own experiences, and gives specific steps.
Hammock Driven Development - Rich Hickey - YouTube
I haven't embedded it below because embedding of the video is disabled; you have to watch it on YouTube via the link above.
Oh, almost forgot - there's another guy who likes hammocks too :)
Bear image attribution.
Hammock image attribution.
I had seen this Rich Hickey video some time ago, and thought it was very good. Came across it again today, so decided to blog about it. The shortest summary of it is that he recommends thinking more (not just blindly jumping into doing stuff - because "we have to ship next week").
But there's a lot more to it than just a hand-waving statement. He talks a lot about the issues involved, his own experiences, and gives specific steps.
Hammock Driven Development - Rich Hickey - YouTube
I haven't embedded it below because embedding of the video is disabled; you have to watch it on YouTube via the link above.
Oh, almost forgot - there's another guy who likes hammocks too :)
Bear image attribution.
- Vasudev Ram - Online Python training and programming
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Posts about Python Posts about xtopdf
Thursday, December 17, 2015
Music video: Kaori Muraji (classical guitar) - Cavatina - Jeux Interdits
By Vasudev Ram
Nice classical guitar video:
Kaori Muraji (classical guitar) - Cavatina - Jeux Interdits
The video is also embedded below:
Nice classical guitar video:
Kaori Muraji (classical guitar) - Cavatina - Jeux Interdits
The video is also embedded below:
- Vasudev Ram - Online Python training and programming
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Wednesday, May 13, 2015
Python video: P is better than NP :)
By Vasudev Ram
Another Raymond Hettinger Python video, both entertaining and informative. This one was at the recently concluded PyCon 2015 in Montreal.
Watch this video to find out how P is better than NP, and how to create adapters for code from other languages that has been ported to Python.
The video is also embedded below.
I originally saw the video via a link in this recent HN thread about Peter Norvig's Python IAQ, which I also tweeted about recently:
The Python IAQ: Infrequently Answered Questions (norvig.com)
Another Raymond Hettinger Python video, both entertaining and informative. This one was at the recently concluded PyCon 2015 in Montreal.
Watch this video to find out how P is better than NP, and how to create adapters for code from other languages that has been ported to Python.
The video is also embedded below.
I originally saw the video via a link in this recent HN thread about Peter Norvig's Python IAQ, which I also tweeted about recently:
The Python IAQ: Infrequently Answered Questions (norvig.com)
- Vasudev Ram - Online Python training and programming
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Monday, January 19, 2015
Music video: Dire Straits - Walk of Life
By Vasudev Ram
An old favorite, listened to it again today. The video is good too.
Dire Straits
Dire Straits - Walk of Life:
- Vasudev Ram - Dancing Bison Enterprises
Sunday, July 27, 2014
Video: Vinod Khosla at Startup Grind, Silicon Valley
By Vasudev Ram
I saw this video about Vinod Khosla a while ago. It was pretty interesting and has useful advice for startups and wannabe startuppers. Video is embedded below.
- Vasudev Ram - Dancing Bison Enterprises
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I saw this video about Vinod Khosla a while ago. It was pretty interesting and has useful advice for startups and wannabe startuppers. Video is embedded below.
- Vasudev Ram - Dancing Bison Enterprises
Contact Page
Sunday, July 6, 2014
Video: Google's Larry Page and Sergey Brin with Vinod Khosla
By Vasudev Ram
Saw this interesting video today: Vinod Khosla talking with Larry Page and Sergey Brin of Google. It's embedded below.
Here is a Hacker News thread about the video.
- Vasudev Ram - Dancing Bison Enterprises
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Saw this interesting video today: Vinod Khosla talking with Larry Page and Sergey Brin of Google. It's embedded below.
Here is a Hacker News thread about the video.
- Vasudev Ram - Dancing Bison Enterprises
Contact Page
Thursday, June 26, 2014
pafy - Python API for YouTube
By Vasudev Ram
PAFY (Python API For YouTube) is a Python library that does what the name says on the tin - it allows you to access YouTube videos programmatically, get information about them, download them, etc.
Full documentation for Pafy is here.
You can install Pafy with the command: pip install pafy
I tried out Pafy a little, and whatever I tried worked the way the docs said it would.
Here is a simple example of using Pafy to get info about a YouTube video and download it to your machine. I used the video 'Concurrency is not Parallelism' - by Rob Pike, co-inventor of the Go language, in the example. The video is also embedded below:
The Pafy download() method not only downloads the video, it also shows the size downloaded so far as a percentage, the download speed, and the ETA for the download, in real time.
Also check out my earlier post on another YouTube tool in Python:
youtube-dl, a YouTube downloader in Python
- Vasudev Ram - Dancing Bison Enterprises - Python consulting and training
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PAFY (Python API For YouTube) is a Python library that does what the name says on the tin - it allows you to access YouTube videos programmatically, get information about them, download them, etc.
Full documentation for Pafy is here.
You can install Pafy with the command: pip install pafy
I tried out Pafy a little, and whatever I tried worked the way the docs said it would.
Here is a simple example of using Pafy to get info about a YouTube video and download it to your machine. I used the video 'Concurrency is not Parallelism' - by Rob Pike, co-inventor of the Go language, in the example. The video is also embedded below:
import pafy
# Concurrency is not parallelism - video URL = "https://www.youtube.com/watch?v=cN_DpYBzKso"
cinp_url = "https://www.youtube.com/watch?v=cN_DpYBzKso"
cinp_video = pafy.new(cinp_url)
cv = cinp_video
print "Info for video 'Concurrency is not Parallelism' by Rob Pike, Commander, Google:"
print 'Title:', cv.title
print 'Length:', cv.length
print 'Duration:', cv.duration
print 'Description:', cv.description
"""
This fragment prints info about the streams available in the video.
streams = cv.streams
for s in streams:
print(s)
"""
# Get the best stream for the video.
best = cv.getbest()
# Download the best stream.
best.download(quiet=False, filepath=best.title + "." + best.extension)
The Pafy download() method not only downloads the video, it also shows the size downloaded so far as a percentage, the download speed, and the ETA for the download, in real time.
Also check out my earlier post on another YouTube tool in Python:
youtube-dl, a YouTube downloader in Python
- Vasudev Ram - Dancing Bison Enterprises - Python consulting and training
Contact Page
Friday, February 14, 2014
PyEmbed, a content embedding library for Python
By Vasudev Ram
Saw PyEmbed today via the Python Weekly email newsletter. PyEmbed is a Python library for embedding content in a web page. Given a URL of some content, it fetches the embed code for it, which you can then embed in an HTML page.
PyEmbed looks good on an initial try. I thought for a while about what video to test PyEmebed with, and finally settled on a YouTube video of the Indian film actress Rekha, in a famous dance scene in the film Umrao Jaan, which won her a National Film Award for Best Actress.
For all my readers who don't know Hindi (the movie is in Hindi), there are English subtitles at the bottom of the video.
PyEmbed is quite simple to use for basic usage, though it does have some advanced features.
Here is a simple Python program using PyEmbed to fetch the embed code for the Rekha dance video from the film Umrao Jaan described above:
I ran it with:
python test_pyembed.py
And then pasted the resulting HTML below to embed the video:
Rekha dancing in the movie Umrao Jaan
- Vasudev Ram - Dancing Bison Enterprises
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Saw PyEmbed today via the Python Weekly email newsletter. PyEmbed is a Python library for embedding content in a web page. Given a URL of some content, it fetches the embed code for it, which you can then embed in an HTML page.
PyEmbed looks good on an initial try. I thought for a while about what video to test PyEmebed with, and finally settled on a YouTube video of the Indian film actress Rekha, in a famous dance scene in the film Umrao Jaan, which won her a National Film Award for Best Actress.
For all my readers who don't know Hindi (the movie is in Hindi), there are English subtitles at the bottom of the video.
PyEmbed is quite simple to use for basic usage, though it does have some advanced features.
Here is a simple Python program using PyEmbed to fetch the embed code for the Rekha dance video from the film Umrao Jaan described above:
from pyembed.core import PyEmbed
html = PyEmbed().embed('http://www.youtube.com/watch?feature=player_detailpage&v=3oFm4MYbb9o')
print html
I ran it with:
python test_pyembed.py
And then pasted the resulting HTML below to embed the video:
Rekha dancing in the movie Umrao Jaan
- Vasudev Ram - Dancing Bison Enterprises
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Wednesday, January 22, 2014
Thursday, December 19, 2013
A classical guitar concert by Manuel Barrueco
By Vasudev Ram
Dear readers,
A classical guitar concert by Manuel_Barrueco:
- Vasudev Ram - Dancing Bison Enterprises
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Dear readers,
A classical guitar concert by Manuel_Barrueco:
- Vasudev Ram - Dancing Bison Enterprises
Contact Page
Wednesday, December 18, 2013
Download YouTube thumbnails with micawber and wget
By Vasudev Ram
I had blogged about micawber earlier, here:
Micawber gets rich content from URLs
Among the data that micawber returns for a URL, is the thumbnail, if it is a video, for example. So I thought of writing a program to download the thumbnail for a given YouTube video using micawber and the wget Python library.
Here's the code for download_youtube_thumbnails.py:
# download_youtube_thumbnails.py
# A program to download YouTube video thumbnail images.
# Author: Vasudev Ram - http://www.dancingbison.com
# Uses the micawber and wget Python libraries.
# micawber: https://github.com/coleifer/micawber
# wget: https://pypi.python.org/pypi/wget
import os
import os.path
import micawber
import wget
def download_youtube_thumbnail(video_url, video_name):
# load up rules for some default providers, such as youtube and flickr
providers = micawber.bootstrap_basic()
ret_val = providers.request(video_url)
if 'thumbnail_url' in ret_val:
thumbnail = wget.download(ret_val['thumbnail_url'], bar=None)
root, ext = os.path.splitext(thumbnail)
new_name = 'thumb_' + video_name + ext
os.rename(thumbnail, new_name)
print "Thumbnail downloaded: ", new_name
else:
print "'thumbnail_url' key not found in ret_val dict"
def main():
try:
# Download the thumbnail for the video of the album
# 'Rarely Heard Ragas' by Vilayat Khan.
download_youtube_thumbnail(
"http://www.youtube.com/watch?feature=player_detailpage&v=Qim2av-SRwU",
'Vilayat_Khan_Rarely_Heard_Ragas')
except Exception, e:
print "ERROR: Caught exception: " + repr(e)
sys.exit(1)
if __name__ == "__main__":
main()
# EOF
And here is its output - the thumbnail - when given the URL for Vilayat Khan playing Rarely Heard Ragas on the sitar:
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Sunday, October 20, 2013
Music video: Sitar - Vilayat khan - Rarely Heard Ragas
By Vasudev Ram
Came across this sitar performance by Ustad Vilayat Khan recently on YouTube via a search:
Vilayat Khan - Rarely Heard Ragas
I had the CD of the performance some time ago. Like it a lot.
It is good music to listen to while working (IMO).
The video is also embedded below.
- Vasudev Ram - Dancing Bison Enterprises
Contact me
Saturday, June 1, 2013
Video: Fireside chat, Go team at Google I/O 2013
Watch "Google I/O 2013 - Fireside Chat with the Go Team" on YouTube
Watched some of it. Audio not very good (on mobile) but can still hear a good amount. Probably better on desktop.
Sunday, April 21, 2013
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