大约有 42,000 项符合查询结果（耗时：0.0573秒） [XML]
if/else in a list comprehension
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You can totally do that. It's just an ordering issue:
[unicode(x.strip()) if x is not None else '' for x in row]
In general,
[f(x) if condition else g(x) for x in sequence]
And, for list comprehensions with if conditions only,
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How to sort findAll Doctrine's method?
I've been reading Doctrine's documentation, but I haven't been able to find a way to sort findAll() Results.
12 Answers
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Convert file path to a file URI?
...mework have any methods for converting a path (e.g. "C:\whatever.txt" ) into a file URI (e.g. "file:///C:/whatever.txt" )?
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How do I get cURL to not show the progress bar?
I'm trying to use cURL in a script and get it to not show the progress bar.
5 Answers
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Best timestamp format for CSV/Excel?
I'm writing a CSV file. I need to write timestamps that are accurate at least to the second, and preferably to the millisecond. What's the best format for timestamps in a CSV file such that they can be parsed accurately and unambiguously by Excel with minimal user intervention?
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Java Name Hiding: The Hard Way
I have a problem with name hiding that is extremely hard to solve. Here is a simplified version that explains the problem:
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Soft wrap at 80 characters in Vim in window of arbitrary width
I want to use Vim's soft wrap capability ( :set wrap ) to wrap some code at 80 characters, regardless of my actual window width.
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How to avoid type safety warnings with Hibernate HQL results?
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Using @SuppressWarnings everywhere, as suggested, is a good way to do it, though it does involve a bit of finger typing each time you call q.list().
There are two other techniques I'd suggest:
Write a cast-helper
Simply refactor all your @SuppressWarnings into one place:
List<Cat&g...
SQL “between” not inclusive
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It is inclusive. You are comparing datetimes to dates. The second date is interpreted as midnight when the day starts.
One way to fix this is:
SELECT *
FROM Cases
WHERE cast(created_at as date) BETWEEN '2013-05-01' AND '2013-05-01'
Another way to fix it is with exp...
Is it possible to override the configuration of a plugin already defined for a profile in a parent P
...m a parent pom can be done by adding the combine.self="override" attribute to the element in your pom.
Try changing your plugin configuration to:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
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