大约有 40,000 项符合查询结果（耗时：0.0573秒） [XML]
Why use try {} finally {} with an empty try block?
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When does System.getProperty(“java.io.tmpdir”) return “c:\temp”
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Django - limiting query results
...order a query once a slice has been taken"
According to the documentation https://docs.djangoproject.com/en/dev/topics/db/queries/#limiting-querysets forcing the “step” parameter of Python slice syntax evaluates the Query. It works this way:
Model.objects.all().order_by('-id')[:10:1]
Still I...
Escaping keyword-like column names in Postgres
...curs in the identifier, the double quote must be duplicated. See the BNF:
https://ronsavage.github.io/SQL/sql-2003-2.bnf.html#delimited%20identifier
This is the code to quote the identifier:
static String delimited_identifier (String identifier)
{
return "\"" + identifier.replaceAll ("\"", "\"\""...
How do I get the filepath for a class in Python?
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vim and NERD Tree extension - adding a file
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NERDTree reload new files
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How to delete a record in Django models?
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Making a Location object in Android with latitude and longitude values
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How do I delete a Git branch with TortoiseGit
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