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How do I restore a missing IIS Express SSL Certificate?
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194
After going to Add/Remove Programs and choosing the "Repair" option on IIS Express, the certif...
Django admin: How to display a field that is marked as editable=False' in the model?
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195
Use Readonly Fields. Like so (for django >= 1.2):
class MyModelAdmin(admin.ModelAdmin):
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Why can't decimal numbers be represented exactly in binary?
... SO about floating-point representation. For example, the decimal number 0.1 doesn't have an exact binary representation, so it's dangerous to use the == operator to compare it to another floating-point number. I understand the principles behind floating-point representation.
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There can be only one auto column
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121
My MySQL says "Incorrect table definition; there can be only one auto column and it must be de...
How can I remove 3 characters at the end of a string in php?
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691
Just do:
echo substr($string, 0, -3);
You don't need to use a strlen call, since, as noted in...
How ListView's recycling mechanism works
...tially the listview has 7 visible items, then, if you scroll up until item 1 is no longer visible, getView() passes this view (i.e item1) to the recycler and you can use
System.out.println("getview:"+position+" "+convertView);
inside your
public View getView(final int position, View convertView, Vi...
How can I format patch with what I stash away
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163
Sure, git stash show supports this:
git stash show -p
So, use
git stash list
to find out th...
Static member functions error; How to properly write the signature?
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1 Answer
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How to migrate back from initial migration in Django 1.7?
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You can do the same with Django 1.7+ also:
python manage.py migrate <app> zero
This clears <app> from migration history and drops all tables of <app>
See django docs for more info.
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MongoDB: Find a document by non-existence of a field?
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1 Answer
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