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Sending HTML email using Python
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From Python v2.7.14 documentation - 18.1.11. email: Examples:
Here’s an example of how to create an HTML message with an alternative plain text version:
#! /usr/bin/python
import smtplib
from email.mime.multipart im...
Remove files from Git commit
...question of moving the mistakenly committed files back to the staging area from the previous commit, without cancelling the changes done to them. This can be done like Paritosh Singh suggested:
git reset --soft HEAD^
or
git reset --soft HEAD~1
Then reset the unwanted files in order to leave t...
Git: How to remove file from index without deleting files from any repository
...git checkout (per comment by William Pursell; but remember to re-remove it from the index!):
git checkout @{1} -- foo.conf && git rm --cached foo.conf
If they have taken other actions since pulling your deletion (or they are pulling with rebase into a detached HEAD), they may need somethi...
Why should I avoid multiple inheritance in C++?
...re true for multiple inheritance.
Does your object really needs to inherit from another? A Car does not need to inherit from an Engine to work, nor from a Wheel. A Car has an Engine and four Wheel.
If you use multiple inheritance to resolve these problems instead of composition, then you've done som...
When do you use the Bridge Pattern? How is it different from Adapter pattern?
...e aspects of the Adapter pattern in the Bridge pattern. However, to quote from this article:
At first sight, the Bridge pattern looks a lot like the Adapter pattern in that a class is used to convert one kind of interface to another. However, the intent of the Adapter pattern is to make one or ...
Parse email content from quoted reply
I'm trying to figure out how to parse out the text of an email from any quoted reply text that it might include. I've noticed that usually email clients will put an "On such and such date so and so wrote" or prefix the lines with an angle bracket. Unfortunately, not everyone does this. Does anyon...
What are free monads?
...if X is a Y with some extra stuff P, then a "free X" is a a way of getting from a Y to an X without gaining anything extra.
Examples: a monoid (X) is a set (Y) with extra structure (P) that basically says it has an operation (you can think of addition) and some identity (like zero).
So
class Mono...
getting exception “IllegalStateException: Can not perform this action after onSaveInstanceState”
I have a Live Android application, and from market i have received following stack trace and i have no idea why its happening as its not happening in application code but its getting caused by some or the other event from the application (assumption)
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Where do I find the current C or C++ standard documents?
...d C++ standards documents in PDF are:
C++17 – ISO/IEC 14882:2017: $116 from ansi.org
C++14 – ISO/IEC 14882:2014: $90 NZD (about $60 US) from Standards New Zealand
C++11 – ISO/IEC 14882:2011: $60 from ansi.org $60 from Techstreet
C++03 – ISO 14882:2003: $30 from ansi.org $48 from SAI Global...
Best practices: throwing exceptions from properties
When is it appropriate to throw an exception from within a property getter or setter? When is it not appropriate? Why? Links to external documents on the subject would be helpful... Google turned up surprisingly little.
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