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Extending the User model with custom fields in Django
What's the best way to extend the User model (bundled with Django's authentication app) with custom fields? I would also possibly like to use the email as the username (for authentication purposes).
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What's the difference between using “let” and “var”?
I've heard it that it's described as a local variable, but I'm still not quite sure how it behaves differently than the var keyword.
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Execute command without keeping it in history [closed]
...o store them in the command history. So that nobody will be able to search it in the .bash_history file.
13 Answers
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creating a strikethrough text?
...| Paint.STRIKE_THRU_TEXT_FLAG);
For painting text, there are several bit flags for doing things like
bold, italics, and yes strikethrough. So to enable the strikethrough,
you need to flip the bit that corresponds to this flag. The easiest
way to do this is to use a bitwise-or on the curre...
Multiple Models in a single django ModelForm?
Is it possible to have multiple models included in a single ModelForm in django? I am trying to create a profile edit form. So I need to include some fields from the User model and the UserProfile model. Currently I am using 2 forms like this
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Choose between ExecutorService's submit and ExecutorService's execute
How should I choose between ExecutorService's submit or execute , if the returned value is not my concern?
7 Answers
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Why use double indirection? or Why use pointers to pointers?
When should a double indirection be used in C? Can anyone explain with a example?
18 Answers
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What is Castle Windsor, and why should I care?
...developer, having cut my teeth on win32 and early COM. I've been working with .NET since 2001, so I'm pretty fluent in C# and the CLR. I'd never heard of Castle Windsor until I started participating in Stack Overflow. I've read the Castle Windsor "Getting Started" guide, but it's not clicking.
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Find all files in a directory with extension .txt in Python
... os.listdir:
import os
for file in os.listdir("/mydir"):
if file.endswith(".txt"):
print(os.path.join("/mydir", file))
or if you want to traverse directory, use os.walk:
import os
for root, dirs, files in os.walk("/mydir"):
for file in files:
if file.endswith(".txt"):
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Passing data between a fragment and its container activity
How can I pass data between a fragment and its container activity? Is there something similar to passing data between activities through intents?
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