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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 = forms.BooleanField(initial=True)
If you're using a ModelForm, y...
Visual Studio replace tab with 4 spaces?
Is there a way to set TAB button to work as 4 spaces in Visual Studio 2010 instead of going to Edit->Advanced->Untabify Selected Lines?
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How can I use vim to convert my file to utf8?
...le encoded as latin1, you will find that 'fileencoding' for that buffer is set to latin1. So you will need to manually set the fileencoding before saving the file.
:set fileencoding=utf8
:w myfilename
Also note that UTF8 files often begin with a Byte Order Mark (BOM) which indicates endianness. ...
Populate data table from data reader
...(reader) also doesn't always work-I'd get those pesky Object reference not set to an instance of an object errors, probably when I don't get any rows back. Something manual like this comes in handy. I tried it and had to get rid of those column. lines in the dtSchema foreach loop because it said it...
How to set proxy for wget?
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$ unset http_proxy
– shivshnkr
Jul 31 '18 at 5:23
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What exactly happens when I set LoadUserProfile of IIS pool?
...a cryptographic context was not available. Note that the Load User Profile setting only applies to user accounts. Service Accounts like NETWORK SERVICE and ApplicationPoolIdentity have special handling.
What exactly happens when I set LoadUserProfile in IIS pool
Well, the user profile is loade...
What's the difference between fill_parent and wrap_content?
...plied to View's (visual control) horizontal or vertical size. It's used to set a View or Layouts size based on either it's contents or the size of it's parent layout rather than explicitly specifying a dimension.
fill_parent (deprecated and renamed MATCH_PARENT in API Level 8 and higher)
Setting t...
Use JavaScript to place cursor at end of text in text input element
... of the text in a input text element via JavaScript - after focus has been set to the element?
32 Answers
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INSERT IF NOT EXISTS ELSE UPDATE?
..., "SearchName", ...);
Note that any field not in the insert list will be set to NULL if the row already exists in the table. This is why there's a subselect for the ID column: In the replacement case the statement would set it to NULL and then a fresh ID would be allocated.
This approach can also...
Android: I am unable to have ViewPager WRAP_CONTENT
I have setup a simple ViewPager that has an ImageView with a height of 200dp on each page.
34 Answers
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