大约有 7,000 项符合查询结果(耗时:0.0158秒) [XML]
How to use a decimal range() step value?
...error is likely to give you a wrong result.
You can use the linspace function from the NumPy library (which isn't part of the standard library but is relatively easy to obtain). linspace takes a number of points to return, and also lets you specify whether or not to include the right endpoint:
>...
Does hosts file exist on the iPhone? How to change it? [closed]
I am developing an application that query to the server. In my Mac, I use the hosts file to change the dns to point to a local server within my local area network.
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Hibernate: “Field 'id' doesn't have a default value”
... to the ORM may not reflect accurately on the database even after an execution of SchemaUpdate.
If the error actually seems to lack a sensible explanation, try recreating the database (or at least creating a new one) and scaffolding it with SchemaExport.
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Choosing Mobile Web HTML5 Framework [closed]
...se
For a framework that provides a quick start, but not a lot of documentation unfortunately, use jQTouch. It requires very little to get started and coding is fairly straight forward. It uses CSS classes for detecting the appropriate animations and interactions.
Sencha Touch:
almost completely Jav...
How to validate a url in Python? (Malformed or not)
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django url validation regex (source):
import re
regex = re.compile(
r'^(?:http|ftp)s?://' # http:// or https://
r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|' #domain...
r'localhos...
How to check if an object is an array?
I'm trying to write a function that either accepts a list of strings, or a single string. If it's a string, then I want to convert it to an array with just the one item so I can loop over it without fear of an error.
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How to call a method after bean initialization is complete?
... I need to call a (non-static) method in the bean only-once at the ApplicationContext load up. Is it ok, if I use MethodInvokingFactoryBean for this? Or we have a some better solution?
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Haskell offline documentation?
...lable from Cabal: http://hackage.haskell.org/package/hoogle
Usage instructions are at http://www.haskell.org/haskellwiki/Hoogle#Command_Line_Search_Flags.
Usage:
$ hoogle --help
Hoogle v4.2.8, (C) Neil Mitchell 2004-2011
http://haskell.org/hoogle
hoogle [COMMAND] ... [OPTIONS]
Commands:
[sear...
HTTP test server accepting GET/POST requests
I need a live test server that accepts my requests for basic information via HTTP GET and also allows me to POST (even if it's really not doing anything). This is entirely for test purposes.
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Block Declaration Syntax List
Block syntax in Objective C (and indeed C, I presume) is notoriously incongruous. Passing blocks as arguments looks different than declaring blocks as ivars, which looks different than typedef ing blocks.
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