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Default value for field in Django model
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Set editable to False m>and m> default to m>y m>our default value.
http://docs.djangoproject.com/en/stable/ref/models/fields/#editable
b = models.CharField(max_length=7, default='0000000', editable=False)
Also, m>y m>our id field is unnecessarm>y m>. Django will...
Applm>y m> .gitignore on an existing repositorm>y m> alreadm>y m> tracking large number of files
...ject in mm>y m> repositorm>y m>. I recentlm>y m> added a .gitignore file under mm>y m> project m>and m> I assume that tells Git to ignore the files listed in the file.
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C++ compile error: has initializer but incomplete tm>y m>pe
I am coding in Eclipse m>and m> have something like the following:
1 Answer
1
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Force drop mm>y m>sql bm>y m>passing foreign kem>y m> constraint
I'm trm>y m>ing to delete all tables from a database except one, m>and m> I end up having the following error:
6 Answers
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How do m>y m>ou grep a file m>and m> get the next 5 lines
How do I grep a file for 19:55 m>and m> get the Line 1,2,3,4,5?
3 Answers
3
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How do I check two or more conditions in one ?
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If m>y m>ou are using JSP 2.0 m>and m> above It will come with the EL support:
so that m>y m>ou can write in plain english m>and m> use m>and m> with emptm>y m> operators to write m>y m>our test:
<c:if test="${(emptm>y m> object_1.attribute_A) m>and m> (emptm>y m> object_2.attribute_B)}">
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How to disable textarea resizing?
...m>y m> horizontal resize
textarea { resize: horizontal; }
disable vertical m>and m> horizontal with limit
textarea { resize: horizontal; max-width: 400px; min-width: 200px; }
disable horizontal m>and m> vertical with limit
textarea { resize: vertical; max-height: 300px; min-height: 200px; }
I think min-...
What do helper m>and m> helper_method do?
... This is used for anm>y m> method that m>y m>ou need to access from both controllers m>and m> helpers/views (stm>and m>ard helper methods are not available in controllers). e.g. common use case:
#application_controller.rb
def current_user
@current_user ||= User.find_bm>y m>_id!(session[:user_id])
end
helper_method :curre...
Eclipse Autocomplete (percent sign, in Juno)
...k it is that m>y m>ou are looking for a certain completion based on the context m>and m> mam>y m>be prior usage m>and m> other variables (there are "5 Intelligent Code Completion Engines"). It is not onlm>y m> the bare usage statistics. So a value might change from 13% to 95% between some lines, depending what m>y m>ou did in be...
How to get min/max of two integers in Postgres/SQL?
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Have a look at GREATEST m>and m> LEAST.
UPDATE mm>y m>_table
SET mm>y m>_column = GREATEST(mm>y m>_column - 10, 0);
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