大约有 46,000 项符合查询结果(耗时:0.0707秒) [XML]

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How to get last N records with activerecord?

...uld get you what you want ('Something' is the model name): Something.find(:all, :order => "id desc", :limit => 5).reverse edit: As noted in the comments, another way: result = Something.find(:all, :order => "id desc", :limit => 5) while !result.empty? puts result.pop end ...
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How to delete a folder and all contents using a bat file in windows?

I want to delete a folder with all files and subfolders using a bat file. 3 Answers 3...
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How to remove all white spaces in java [duplicate]

...of it requires me to make code that reads a line from the user and removes all the white space within that line. the line can consist of one word or more. ...
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Removing All Child Views from View

How would I remove all child views from a widget? For example, I have a GridView and I dynamically inflate many other LinearLayouts into it; later in my application I am looking to start fresh with that GridView and clear all of its child Views. How would I do this? TIA. ...
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How to get a list of all valid IP addresses in a local network? [closed]

Is there a way to get a list of all valid IP addresses in a local network? 3 Answers 3...
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Git: list only “untracked” files (also, custom commands)

...he alias line, or where is that documented? – We Are All Monica Sep 27 '10 at 6:31 @takeshin How to get only parent di...
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Find and replace strings in vim on multiple lines

... @TayyarR The range covers the lines (vertically, so to speak), while the 'g' flag determines whether only one or all matches within the line (so horizontally) are replaced. – Ingo Karkat Feb 15 at 20:58 ...
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Extracting an attribute value with beautifulsoup

... .find_all() returns list of all found elements, so: input_tag = soup.find_all(attrs={"name" : "stainfo"}) input_tag is a list (probably containing only one element). Depending on what you want exactly you either should do: out...
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What is the reason not to use select *?

I've seen a number of people claim that you should specifically name each column you want in your select query. 20 Answers ...
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GRANT EXECUTE to all stored procedures

...llowing command effectively give the user, "MyUser," permission to execute ALL stored procedures in the database? 4 Answers...