Internet Trends 2017 Report
[slideshare id=76530316&doc=internettrends2017report-170531162415]
Free stock photos
http://www.gratisography.com/ https://magdeleine.co/ https://www.pexels.com/ https://picjumbo.com/ https://pixabay.com/ http://raumrot.com/ https://unsplash.com/ https://visualhunt.com/ https://www.goodfreephotos.com/ Source: https://hackernoon.com/8-amazing-sites-with-best-free-stock-photos-5a7e8aff8a59
A ship in harbor is safe, but that is not what ships are built for.
well said.
Concurrency vs Parallelism
In a few words, Concurrency is like talking and drinking, you can switch back and forth but you cannot really do both at the same time. Parallelism is like walking and drinking, you can actually do both at the same time. When you have only one cpu, you can only do concurrency. The overall time spent is the same as running in series. When you have multiple cpus, you can actually run things in parallel at the same time. The overall time spent can be a lot shorter. ...
Vim Adventures
An interesting mini game to learn vim. https://vim-adventures.com/
How 5 Tech Giants Make Their Billions
ref: http://www.visualcapitalist.com/chart-5-tech-giants-make-billions/
How to reset iphone/ipad without the icloud password?
The icloud prompt could keep coming up asking for the icloud password. It sucks when you forgot the icloud password, and at the same time forgot the password to your corresponding email. Factory reset (Settings -> General -> Reset) won’t do it, coz after the reboot it will again keep asking you for the icloud password. And there is no way to log out or switch the existing icloud login username. ...
HTTP security headers
This post has really good info on HTTP security headers. https://blog.appcanary.com/2017/http-security-headers.html X-XSS-Protection Content Security Policy HTTP Strict Transport Security (HSTS) HTTP Public Key Pinning (HPKP) X-Frame-Options X-Content-Type-Options Referrer-Policy Cookie Options
Why does Python 3 round half to even?
Python 2 [code language=“python”] round(3.5) => 4.0 round(4.5) => 5.0 [/code] Python 3 [code language=“python”] round(3.5) => 4 round(4.5) => 4 [/code] Mainly because: to take away the round-up bias. the result can be further divided by 2, and still an int https://mathematica.stackexchange.com/questions/2116/why-round-to-even-integers https://en.wikipedia.org/wiki/Rounding#Round_half_to_even
Key differences between Python 2.7.x and Python 3.x
Just a short list, not too bad. The __future__ module The print function Integer division Unicode xrange Raising exceptions Handling exceptions The next() function and .next() method For-loop variables and the global namespace leak Comparing unorderable types Parsing user inputs via input() Returning iterable objects instead of lists Banker’s Rounding http://sebastianraschka.com/Articles/2014_python_2_3_key_diff.html