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How do I make many-to-many field optional in Django?
When you have a many-to-many relationship ( related_name , not through ) and you are trying to use the admin interface you are required to enter one of the relationships even though it does not have to exist for you to create the first entry.
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Fast way to discover the row count of a table in PostgreSQL
I need to know the number of rows in a table to calculate a percentage. If the total count is greater than some predefined constant, I will use the constant value. Otherwise, I will use the actual number of rows.
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Output first 100 characters in a string
Can seem to find a substring function in python.
8 Answers
8
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Is there an ExecutorService that uses the current thread?
What I am after is a compatible way to configure the use of a thread pool or not. Ideally the rest of the code should not be impacted at all. I could use a thread pool with 1 thread but that isn't quite what I want. Any ideas?
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How do I use floating-point division in bash?
I am trying to divide two image widths in a Bash script, but bash gives me 0 as the result:
18 Answers
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@Autowired and static method
I have @Autowired service which has to be used from within a static method. I know this is wrong but I cannot change the current design as it would require a lot of work, so I need some simple hack for that. I can't change randomMethod() to be non-static and I need to use this autowired bean. An...
How can I create a copy of an Oracle table without copying the data?
I know the statement:
16 Answers
16
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The required anti-forgery form field “__RequestVerificationToken” is not present Error in user Regis
I am using Membership.create user function, then the following error is occurring,
19 Answers
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Render basic HTML view?
I have a basic node.js app that I am trying to get off the ground using Express framework. I have a views folder where I have an index.html file. But I receive the following error when loading the web browser.
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How to show particular image as thumbnail while implementing share on Facebook?
I am trying to implement share this method. I am using the code as follows
10 Answers
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