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Pandas read_csv low_memory and dtype options
...erly deprecated, but it should be, since it does not actually do anything differently[source]
The reason you get this low_memory warning is because guessing dtypes for each column is very memory demanding. Pandas tries to determine what dtype to set by analyzing the data in each column.
Dtype Guessi...
difference between throw and throw new Exception()
what is the difference between
12 Answers
12
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Execute Python script via crontab
...e and follow the tutorial here.
Look at point 3 for a guide on how to specify the frequency.
Based on your requirement, it should effectively be:
*/10 * * * * /usr/bin/python script.py
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Can a dictionary be passed to django models on create?
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If title and body are fields in your model, then you can deliver the keyword arguments in your dictionary using the ** operator.
Assuming your model is called MyModel:
# create instance of model
m = MyModel(**data_dict)
# d...
HashMap to return default value for non-found keys?
...aerics: I noticed that you used !this.containsValue(null). This is subtly different from !this.containsKey(k). The containsValue solution will fail if some other key has been explicitly assigned a value of null. For example: map = new HashMap(); map.put(k1, null); V v = map.get(k2); In this case, v ...
Is div inside list allowed? [duplicate]
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@DavidWatson Thanks for the clarification there David. I didn't see a DocType declared in his question up there, but do in this answer.
– jasonflaherty
Apr 30 '12 at 20:53
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PHP - Get bool to echo false when false
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echo $bool_val ? 'true' : 'false';
Or if you only want output when it's false:
echo !$bool_val ? 'false' : '';
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iOS application: how to clear notifications?
I've an iOS application where some Push Notification are sent to. My problem is, that the messages/notifications stays in the Notification Center in iOS after then are tapped. How can I remove a notification for my application in the Notification Center next time the application opens?
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How to get the screen width and height in iOS?
...o match that of the screen, and as you've seen that's not always the case. If you need the screen size, you should look at the object that represents the screen itself, like this:
CGRect screenRect = [[UIScreen mainScreen] bounds];
CGFloat screenWidth = screenRect.size.width;
CGFloat screenHeight =...
how to edit .csproj file
... file which stores information about projects that make up your solution.
If you are using Visual Studio and have the need to view or edit your CSPROJ file while in Visual Studio you can do so by the following these simple steps:
Right click on your project in solution explorer and select Unload ...