大约有 41,310 项符合查询结果(耗时:0.0523秒) [XML]

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INSERT IF NOT EXISTS ELSE UPDATE?

... 330 Have a look at http://sqlite.org/lang_conflict.html. You want something like: insert or repl...
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Unpacking, extended unpacking and nested extended unpacking

... 3 Answers 3 Active ...
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How to handle many-to-many relationships in a RESTful API?

... 136 In a RESTful interface, you can return documents that describe the relationships between resour...
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What's the magic of “-” (a dash) in command-line parameters?

... | edited Nov 8 '11 at 3:15 answered Nov 8 '11 at 3:09 p...
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How to Create Grid/Tile View?

... of jQuery plugin to create masonry layout. Alternatively, you can use CSS3 columns. But for now jQuery based plugin is the best choice since there is compatibility issue with CSS3 column. share | ...
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How do I render a partial of a different format in Rails?

... Beginning with Rails 3.2.3, when calling render :partial (only works outside of the respond_to block). render formats: [ :html ] instead of render format: 'html' share ...
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SQL Inner-join with 3 tables?

I'm trying to join 3 tables in a view; here is the situation: 12 Answers 12 ...
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Array to Hash Ruby

... 360 a = ["item 1", "item 2", "item 3", "item 4"] h = Hash[*a] # => { "item 1" => "item 2", "...
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Elements order in a “for (… in …)” loop

...d make it clear what happens: var obj = { "first":"first", "2":"2", "34":"34", "1":"1", "second":"second" }; for (var i in obj) { console.log(i); }; // Order listed: // "1" // "2" // "34" // "first" // "second" The technicalities of this are less important than the fact that this may chan...
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How to append multiple values to a list in Python

... 384 You can use the sequence method list.extend to extend the list by multiple values from any kin...