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Count number of days between two dates
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With the Date (and DateTime) classes you can do (end_date - start_date).to_i to get the number of days difference.
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Email address validation using ASP.NET MVC data type attributes
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Thank you @Shittu Olugbenga! But I can't understand why this doesn't work: [DataType(DataType.EmailAddress, ErrorMessage = "Error message.")]
– Wellington Zanelli
Sep 18 '14 at 12:34
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Installing PIL with pip
I am trying to install PIL (the Python Imaging Library) using the command:
21 Answers
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Programmatically get the version number of a DLL
...ble (you can't unload it without killing the domain), requires permissions and is liable to cause side effects, such as executing beforefieldinit type initializers, and is just not required in this case. Are these reasons sound enough?
– staafl
Oct 10 '13 at 15...
Pip freeze vs. pip list
...ments.txt
The packages need to be in a specific format for pip to understand, which is
feedparser==5.1.3
wsgiref==0.1.2
django==1.4.2
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That is the "requirements format".
Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If you do not specify ==1.4....
Task continuation on UI thread
Is there a 'standard' way to specify that a task continuation should run on the thread from which the initial task was created?
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Installing Python 3 on RHEL
...ernative installation directory, you can pass --prefix to the configurecommand.
Example: for 'installing' Python in /opt/local, just add --prefix=/opt/local.
After the make install step: In order to use your new Python installation, it could be, that you still have to add the [prefix]/bin to the ...
Measuring elapsed time with the Time module
... You can also take a look at profilehooks pip install profilehooks, and its homepage here
– pjama
Jan 5 '13 at 5:08
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Untrack files from git temporarily
...local git on my machine. When I initialized git, I added pre-compiled libs and binaries. However, now during my development I don't want to check in those files intermittently. I dont want to remove these files from repo. Is there any way to not keep a track of these files till I complete my develop...
Is it possible to make a div 50px less than 100% in CSS3? [duplicate]
...rrently supported in the 3 main browsers: Firefox, Google Chrome (WebKit), and IE9: http://caniuse.com/calc
MDN: https://developer.mozilla.org/en/CSS/-moz-calc
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