大约有 12,000 项符合查询结果(耗时:0.0314秒) [XML]

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default select option as blank

... <td><b>Ação da atividade:</b><br> <select style='align:left; width:100%;' id='cbxTipoSFA' name='cbxTipoSFA'> <option hidden selected>Selecione uma opção</option> <option value='Instalação'...
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PostgreSQL Crosstab Query

... examples at the bottom of that page. Related answer on dba.SE by Daniel Vérité (the author of the psql feature): How do I generate a pivoted CROSS JOIN where the resulting table definition is unknown? The previously accepted answer is outdated. The variant of the function crosstab(text...
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How to change Rails 3 server default port in develoment?

...run when you run "rails" with Rails 3 gems installed from the root of your application. APP_PATH = File.expand_path('../../config/application', __FILE__) require File.expand_path('../../config/boot', __FILE__) # THIS IS NEW: require "rails/commands/server" module Rails class Server def def...
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How can I test if a letter in a string is uppercase or lowercase using JavaScript?

How can I test if a letter in a string is uppercase or lowercase using JavaScript? 28 Answers ...
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What are the downsides to using Dependency Injection? [closed]

... answered Mar 9 '10 at 8:34 Håvard SHåvard S 20.4k55 gold badges5555 silver badges6767 bronze badges ...
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What is the difference between encode/decode?

... encoding. Use u'...'.encode(encoding). Example: >>> u'æøå'.encode('utf8') '\xc3\x83\xc2\xa6\xc3\x83\xc2\xb8\xc3\x83\xc2\xa5' >>> u'æøå'.encode('latin1') '\xc3\xa6\xc3\xb8\xc3\xa5' >>> u'æøå'.encode('ascii') UnicodeEncodeError: 'ascii' c...
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Extracting extension from filename in Python

Is there a function to extract the extension from a filename? 24 Answers 24 ...
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Sum a list of numbers in Python

... sum(i for i in a) is just redundant. – Jean-François Fabre♦ Apr 18 '18 at 13:37 7 sum(Dec...
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How can I remove non-ASCII characters but leave periods and spaces using Python?

...ignore all symbols that are not supported. For example, the Swedish letter å is not an ASCII character: >>>s = u'Good bye in Swedish is Hej d\xe5' >>>s = s.encode('ascii',errors='ignore') >>>print s Good bye in Swedish is Hej d Edit: Python3: str ->...
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When should I create a destructor?

...ed Feb 4 '11 at 13:58 Øyvind BråthenØyvind Bråthen 52.2k2525 gold badges113113 silver badges138138 bronze badges ...