大约有 43,100 项符合查询结果(耗时:0.0361秒) [XML]

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Regular expression to match URLs in Java

... 106 Try the following regex string instead. Your test was probably done in a case-sensitive manner...
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HTTP error 403 in Python 3 Web Scraping

... 213 This is probably because of mod_security or some similar server security feature which blocks k...
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How to create a cron job using Bash automatically without the interactive editor?

...ontab crontab -l > mycron #echo new cron into cron file echo "00 09 * * 1-5 echo hello" >> mycron #install new cron file crontab mycron rm mycron Cron line explaination * * * * * "command to be executed" - - - - - | | | | | | | | | ----- Day of week (0 - 7) (Sunday=0 or 7) | | | ------...
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Using 'return' in a Ruby block

I'm trying to use Ruby 1.9.1 for an embedded scripting language, so that "end-user" code gets written in a Ruby block. One issue with this is that I'd like the users to be able to use the 'return' keyword in the blocks, so they don't need to worry about implicit return values. With this in mind, t...
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Difference between len() and .__len__()?

Is there any difference between calling len([1,2,3]) or [1,2,3].__len__() ? 4 Answers ...
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How do you test to see if a double is equal to NaN?

... static Double.isNaN(double) method, or your Double's .isNaN() method. // 1. static method if (Double.isNaN(doubleValue)) { ... } // 2. object's method if (doubleObject.isNaN()) { ... } Simply doing: if (var == Double.NaN) { ... } is not sufficient due to how the IEEE standard for ...
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Redirect to named url pattern directly from urls.py in django?

... 198 If you are on Django 1.4 or 1.5, you can do this: from django.core.urlresolvers import revers...
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How to get a random value from dictionary in python

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Java Replacing multiple different substring in a string at once (or in the most efficient way)

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EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?

... 217 I got annoyed by this recently too. I fixed it by putting a wrapper function in the Configurat...