大约有 47,000 项符合查询结果（耗时：0.0450秒） [XML]
How can I time a code segment for testing performance with Pythons timeit?
...than select a clock by hand, use timeit.default_timer; Python has already done the work for you. But really, you should use timeit.timeit(myfast, number=n) instead of re-inventing the repetitive call wheel (and miss the fact that timeit disables the garbage collector while running the code repeatedl...
List comprehension vs map
...easier to read to me: data = map(str, some_list_of_objects). Some other ones... operator.attrgetter, operator.itemgetter, etc.
– Gregg Lind
Aug 8 '09 at 16:06
60
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AtomicInteger lazySet vs. set
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Could someone dumb it down for the rest of us? :(
– Gaurav
Apr 20 '10 at 5:45
14
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iOS UIImagePickerController result image orientation after upload
I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting/capturing an image using a UIImagePickerController :
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Pass complex parameters to [Theory]
Xunit has a nice feature : you can create one test with a Theory attribute and put data in InlineData attributes, and xUnit will generate many tests, and test them all.
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Postgresql GROUP_CONCAT equivalent?
I have a table and I'd like to pull one row per id with field values concatenated.
7 Answers
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Flask-SQLAlchemy import/context issue
...ts.
This pattern does not necessitate the you place all of your models in one file. Simply import the db variable into each of your model modules.
Example
# apps.shared.models
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
# apps.members.models
from apps.shared.models import db
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Avoiding SQL injection without parameters
... whatever trusted, industry standard library there is" - can you recommend one for .NET? Maybe more than one depending on the DB: SQLServer, MySQL, PostgreSQL? I've looked for SQL-sanitizer but without much luck, so hsve been forced to implement my own, as best I can (which is no doubt far from fool...
How do I comment on the Windows command line?
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Well, I know there's one person that knew of it. And now there's two :-) Maybe I can claim that I doubled the amount of knowledge in the world. FWIW, Rob van der Woude's site is a truly excellent one for batch file (and other) chicanery: robvande...
setTimeout / clearTimeout problems
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plus 1 one because it is necessary, in this case, to clear the variable that hoods the timeOut before call the time out, as so, avoiding it to be invoked twice
– Diego Favero
May 1 at 15:30
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