大约有 32,294 项符合查询结果(耗时:0.0535秒) [XML]

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Relational Database Design Patterns? [closed]

... Why exactly is a mixed-use database an anti-pattern. What am I meant to do if I want to pull reports from a database? – olive Sep 28 '10 at 12:00 3 ...
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Random number generator only generating one random number

...reads, you could argue "we've just made the outcome even more random", but what we are actually doing is potentially breaking the internal implementation, and we could also start getting the same numbers from different threads, which might be a problem - and might not. The guarantee of what happens ...
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How to redirect to a 404 in Rails?

... This raises a 500 Internal Server Error for me, not a 404. What am I missing? – Glenn Jul 29 '12 at 21:57 3 ...
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difference between collection route and member route in ruby on rails?

What is the difference between collection routes and member routes in Rails? 4 Answers ...
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How do I list all cron jobs for all users?

...ike it to include all of the user crontabs, as well as /etc/crontab , and whatever's in /etc/cron.d . It would also be nice to see the specific commands run by run-parts in /etc/crontab . ...
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Can I access constants in settings.py from templates in Django?

...add your context processor to your settings.py file: TEMPLATES = [{ # whatever comes before 'OPTIONS': { 'context_processors': [ # whatever comes before "your_app.context_processors.admin_media", ], } }] Use RequestContext in your view to add you...
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Nullable ToString()

... While I'm sure that isn't what you meant, the reference isn't actually null here. Nullable<T> is a value type. This is why calling ToString() works without any NullReferenceException being thrown. – Thorarin ...
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Use git “log” command in another folder

... wow, and nothing in the man page! What a shame. (ok, now I see it added in 2.7 man page) – akostadinov Feb 5 '16 at 9:34 ...
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“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()

...users it shows the unable to add window issue. Could you please suggest me what could be actual problem in my coding what might causing this? – MSIslam Sep 6 '13 at 17:56 ...
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How to serve an image using nodejs

... all and other subtle problems - they are completely broken as examples of what the question asks about, and yet they already use the abstraction that is provided by the http module instead of using TCP sockets so they don't even do everything from scratch as they claim. If the question was "How to...