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How to access a dictionary element in a Django template?
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To echo / extend upon Jeff's comment, what I think you should aim for is simply a property in your Choice class that calculates the number of votes associated with that object:
class Choice(models.Model):
text = models.CharField(max_length=200)
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Convert to absolute value in Objective-C
...ve-C headers also include an ABS() macro which is type-agnostic. I don't recommend using ABS() however as it is not guaranteed to be side-effect-safe. For instance, ABS(a++) will have an undefined result.
If you're using C++ or Objective-C++, you can bring in the <cmath> header and use std:...
How can I update my ADT in Eclipse?
...lease do the follwing:
Click on add
Add this url : https://dl-ssl.google.com/android/eclipse/
Give it any name.
It will list the updates available- which should ideally be adt 20.xx
Eclipse will restart and hopefully everything should work fine for you.
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Postgres could not connect to server
...dy solved!:) The solution was to uninstall via homebew and then restart my computer right away, so then I would be able to reinstall postgres. The old version was running in the background, creating files and conflicts every time I tried to reinstall postgres.
– betoharres
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How do I get only directories using Get-ChildItem?
...I want to pipe out all the subdirectories of a certain path. The following command outputs all files and directories, but I can't figure out how to filter out the files.
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Designer Added then removed by Visual Studio on load/unload
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This is still an open issue with MS : connect.microsoft.com/VisualStudio/feedback/details/757970/…
– Pat
Dec 19 '13 at 5:40
4
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Git : List all unmerged changes in git
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To list branches with commits not merged into master:
git branch --no-merged master
To list the relevant commits:
git cherry -v master <branch>
share
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Import and Export Excel - What is the best library? [closed]
...in excel before you can process it, but perhaps this limitation can be overcome by training and providing clear instructions on the page?
Finally, when you export to the customer, if you set the mime type to text/csv, Excel is usually mapped to that type so it appears to the user to be 'an Excel fi...
How do I break a string across more than one line of code in JavaScript?
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Is this standards-compliant? Will all compliant browsers support it? Do older browsers support it today? None of these important questions covered, -1.
– ulidtko
Sep 24 '13 at 13:33
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Git undo changes in some files [duplicate]
...anges to the file A. If you have not yet added the changes to the index or committed them, then you just want to use the checkout command - this will change the state of the working copy to match the repository:
git checkout A
If you added it to the index already, use reset:
git reset A
If you...