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Automatic creation date for Django model form objects?

What's the best way to set a creation date for an object automatically, and also a field that will record when the object was last updated? ...
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Is there an auto increment in sqlite?

... you should try to avoid: INSERT INTO people VALUES ("John", "Smith"); and use INSERT INTO people (first_name, last_name) VALUES ("John", "Smith"); instead. The first version is very fragile — if you ever add, move, or delete columns in your table definition the INSERT will either fail o...
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Difference between doseq and for in Clojure

What's the difference between doseq and for in Clojure? What are some examples of when you would choose to use one over the other? ...
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Difference between compile and runtime configurations in Gradle

...untime. For example, let's say that a program called app uses library foo, and library foo internally uses library bar. Then only foo is needed to compile app, but both foo and bar are needed to run it. This is why by default, everything that you put on Gradle's compile configuration is also visible...
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Repository access denied. access via a deployment key is read-only

After successfully cloning my repo from heroku and added another remote 18 Answers 18 ...
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How do you add Boost libraries in CMakeLists.txt?

... I put *boost libraries here*. For example, if you're using the filesystem and regex library you'd write: find_package(Boost 1.45.0 COMPONENTS filesystem regex) share | improve this answer ...
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What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?

... has no data types, there are storage classes in a manifest typing system, and yeah, it's confusing if you're used to traditional RDBMSes. Everything, internally, is stored as text. Data types are coerced/converted into various storage locations based on affinities (ala data types assigned to column...
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Binding a WPF ComboBox to a custom list

... You set the DisplayMemberPath and the SelectedValuePath to "Name", so I assume that you have a class PhoneBookEntry with a public property Name. Have you set the DataContext to your ConnectionViewModel object? I copied you code and made some minor modif...
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Timertask or Handler

Let's say that I want to perform some action every 10 seconds and it doesn't necessarily need to update the view. 3 Answer...
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How to get a random number in Ruby

How do I generate a random number between 0 and n ? 17 Answers 17 ...