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Mediator Vs Observer Object-Oriented Design Patterns
...-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.
The Mediator pattern:
Define an object that encapsulates how a set of objects interact. Mediator promotes loose coupling by keeping objects from referring to each o...
What specific productivity gains do Vim/Emacs provide over GUI text editors?
...not doing everything through the keyboard, creating macros will require an extra set of commands rather than making use of the ones you already are using.
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PHP - Get bool to echo false when false
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I really wanted to argue why (string)FALSE == "" is a good idea based on this bit from PHP's documentation: "A boolean TRUE value is converted to the string "1". Boolean FALSE is converted to "" (the empty string). This allows conversion back and forth be...
In a django model custom save() method, how should you identify a new object?
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Not all models have an id attribute, i.e. a model extending another through a models.OneToOneField(OtherModel, primary_key=True). I think you need to use self.pk
– AJP
Apr 9 '13 at 10:21
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What's the difference between SortedList and SortedDictionary?
...<TKey,TValue> ? Are there any circumstances where you would specifically use one and not the other?
7 Answers
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How to set size for local image using knitr for markdown?
... copied your path/to/your/image from your question. Yes the path name is a string,, and you need quotes to define a string. Hope I am clear.
– agstudy
Mar 28 '13 at 19:48
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Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?
...lution, you'll have to use a script to filter elements and apply styles or extra class names accordingly. For example, the following is a common workaround using jQuery (assuming there is only one row group populated with tr elements within the table):
$('table.myClass').each(function() {
// Note ...
How to prevent scrollbar from repositioning web page?
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extra info: twitter bootstrap now adds .modal-open to you body when a modal is open
– Ruben
Sep 2 '14 at 6:58
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Install specific git commit with pip
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An extra comment to @hugo-tavares's answer:
If it's a private GitHub repository, you'll need to use:
pip install git+ssh://git@github.com/....
In your case:
pip install git+ssh://git@github.com/aladagemre/django-notificatio...
Python module for converting PDF to text [closed]
... updated again in version 20100213
You can check the version you have installed with the following:
>>> import pdfminer
>>> pdfminer.__version__
'20100213'
Here's the updated version (with comments on what I changed/added):
def pdf_to_csv(filename):
from cStringIO import S...