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Why am I seeing “TypeError: string indices must be integers”?
...s, you need to use the iterrows() function to iterate through a Pandas dataset Pandas documentation for iterrows
data = pd.read_csv('foo.csv')
for index,item in data.iterrows():
print('{} {}'.format(item["gravatar_id"], item["position"]))
note that you need to handle the index in the dataset ...
Replace only some groups with Regex
... editor after snippets, if snippets enabled
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Django: How do I add arbitrary html attributes to input fields on a form?
...tation does not tell you to add "widget_tweaks" into your installed app in settings, might be worth to put that in to the documentation.
– James Lin
Nov 8 '11 at 19:01
...
What does this symbol mean in JavaScript?
...w));
someFunction()() — Functions which return other functions
Two sets of parentheses after function call
=> — Equal sign, greater than: arrow function expression syntax
What's the meaning of "=>" (an arrow formed from equals & greater than) in JavaScript?
|> — P...
Compare two List objects for equality, ignoring order [duplicate]
...s not indicate whether you want to ensure that the two lists have the same set of objects or the same distinct set.
If you want to ensure to collections have exactly the same set of members regardless of order, you can use:
// lists should have same count of items, and set difference must be empty...
Show a number to two decimal places
...
You can use number_format():
return number_format((float)$number, 2, '.', '');
Example:
$foo = "105";
echo number_format((float)$foo, 2, '.', ''); // Outputs -> 105.00
This function returns a string.
...
How to export revision history from mercurial or git to cvs?
...CVS look more git-like (see man git-cvsimport for more info on how this is set up).
Depending on the size and history of the CVS repository, this first import will take a VERY long time. You can add a -v to the above command if you want the peace of mind that something is in fact happening.
Once th...
How to maintain a Unique List in Java?
...
You can use a Set implementation:
Some info from the JAVADoc:
A collection that contains no duplicate elements. More formally, sets contain no pair of elements e1 and e2 such that e1.equals(e2), and at most one null element. As implie...
How do I use the nohup command without getting nohup.out?
...criptor", or "fd" for short. Every running program ("process") has its own set of these, and when a new process starts up it has three of them already open: "standard input", which is fd 0, is open for the process to read from, while "standard output" (fd 1) and "standard error" (fd 2) are open for ...
Django Rest Framework File Upload
...an example of file upload, but my case is simpler since I use the ModelViewSet instead of APIView. The key turned out to be the pre_save hook. I ended up using it together with the angular-file-upload module like so:
# Django
class ExperimentViewSet(ModelViewSet):
queryset = Experiment.objects...
