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How do I ALTER a PostgreSQL table and make a column unique?
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Correct way to use get_or_create?
...nnon',
defaults={'birthday': date(1940, 10, 9)},
)
# get_or_create() didn't have to create an object.
>>> created
False
Explanation:
Fields to be evaluated for similarity, have to be mentioned outside defaults. Rest of the fields have to be included in defaults. In case CREATE event...
Position absolute and overflow hidden
...n the inner DIV, which is positioned absolute, does not obey the overflow hidden of the outer DIV ( example ).
4 Answers
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How can I find all matches to a regular expression in Python?
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Java NIO FileChannel versus FileOutputstream performance / usefulness
...with larger files sizes has been that java.nio is faster than java.io. Solidly faster. Like in the >250% range. That said, I am eliminating obvious bottlenecks, which I suggest your micro-benchmark might suffer from. Potential areas for investigating:
The buffer size. The algorithm you basi...
Retrieving parameters from a URL
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@FrancescoFrassinelli it's valid. urlparse.urlparse(url) --> urlparse(url)
– Winand
Jul 15 at 7:22
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What is the difference between compare() and compareTo()?
...eate a Comparator object for the following:
Multiple comparisons. To provide several different ways to sort something. For example, you might want to sort a Person class by name, ID, age, height, ... You would define a Comparator for each of these to pass to the sort() method.
System class To prov...
C# DateTime to UTC Time without changing the time
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What is the role of src and dist folders?
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@Jens Törnell I think that is fine. They are both valid to browser as they have been already compiled to css. What would not belong in the dist folder are source .scss or .sass files that were used to create the .css files
– dmullings
Nov ...
Getting assembly name
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You can use the AssemblyName class to get the assembly name, provided you have the full name for the assembly:
AssemblyName.GetAssemblyName(Assembly.GetExecutingAssembly().FullName).Name
or
AssemblyName.GetAssemblyName(e.Source).Name
MSDN Reference - AssemblyName Class
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