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django: BooleanField, how to set the default value to true?
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If you're just using a vanilla form (not a ModelForm), you can set a Field initial value ( https://docs.djangoproject.com/en/2.2/ref/forms/fields/#django.forms.Field.initial ) like
class MyForm(forms.Form):
my_field = fo...
Foreign Key to multiple tables
... This is also what we have in our software and I would avoid if you are trying to create a generic data access framework. This design will increase complexity in the app layer.
– Frank.Germain
May 12 '17 at 16:53
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List of lists into numpy array
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If your list of lists contains lists with varying number of elements then the answer of Ignacio Vazquez-Abrams will not work. Instead there are at least 3 options:
1) Make an array of arrays:
x=[[1,2],[1,2,3],[1]]
y=numpy.a...
Add icon to submit button in twitter bootstrap 2
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The only problem I have had with this approach is if there are other buttons in the form, then your form won't submit when pressing the enter key on the keyboard, as one of the other buttons will take precedence. Any known workarounds?
– Jeshurun
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Utils to read resource text file to String (Java) [closed]
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@EranMedan: Yes, if you want the context classloader you'd want to use it explicitly.
– Jon Skeet
Jun 13 '13 at 20:24
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“ImportError: No module named” when trying to run Python script
...ings, a python script. I get a ImportError: No module named ..., however, if I launch ipython and import the same module in the same way through the interpreter, the module is accepted.
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
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If you're saving an object in user defaults, all objects, recursively, all the way down, must be property list objects. Conforming to NSCoding doesn't mean anything here-- NSUserDefaults won't automatically encode them into ...
Why is JSHINT complaining that this is a strict violation?
...und this context, e.g. gotoPage.bind(myObj)(5) or gotoPage.call(myObj, 5). If so, you can ignore JSHint, as you will not generate any errors. But, it is telling you that your code is unclear to anyone reading it, because using this inside of something that is not obviously a method is quite confusin...
TortoiseSVN icons not showing up under Windows 7
...will hijack a bunch of the 11 possible overlay icons (boy would it be nice if Microsoft upped the number of these as the number of applications that use them seem to increase and increase)...
You can see what overlays are set up, and change them (at your own risk) in the registry here:
HKEY_LOCAL_...
How to convert char to int?
... ParseInt32(this char value) {
int i = (int)(value - '0');
if (i < 0 || i > 9) throw new ArgumentOutOfRangeException("value");
return i;
}
}
then use int x = c.ParseInt32();
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