大约有 1,300 项符合查询结果(耗时:0.0093秒) [XML]

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How to use the “number_to_currency” helper method in the model rather than view?

...in Sam’s answer. If you think “but I really need this to write my to_csv & to_pdf methods in my model!”, then your entire premise is wrong—after all, you don’t have a to_html method, do you? And yet your object is very often rendered as HTML. Consider creating a new class for generat...
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LINQ Aggregate algorithm explained

...in sequence) to make 6. Then adds 6 and 4 to make 10. Example 2. create a csv from an array of strings var chars = new []{"a","b","c", "d"}; var csv = chars.Aggregate( (a,b) => a + ',' + b); Console.WriteLine(csv); // Output a,b,c,d This works in much the same way. Concatenate a a comma and b...
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How can I combine multiple rows into a comma-delimited list in Oracle? [duplicate]

...('Antigua'); SELECT SUBSTR (SYS_CONNECT_BY_PATH (country_name , ','), 2) csv FROM (SELECT country_name , ROW_NUMBER () OVER (ORDER BY country_name ) rn, COUNT (*) OVER () cnt FROM countries) WHERE rn = cnt START WITH rn = 1 CONNECT BY rn = PRIOR rn + 1; ...
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Effective method to hide email from spam bots

...her it be executed by CSS or JavaScript. – Jani Hyytiäinen Aug 24 '13 at 11:54 3 @JaniHyytiäine...
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Postgresql GROUP_CONCAT equivalent?

...method, if they are not desired. Casting ANYARRAY to TEXT best simulates CSV output as elements that contain embedded commas are double-quoted in the output in standard CSV style. Neither array_to_string() or string_agg() (the "group_concat" function added in 9.1) quote strings with embedded comma...
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MySQL dump by query

... You can dump a query as csv like this: SELECT * from myTable INTO OUTFILE '/tmp/querydump.csv' FIELDS TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED BY '\n' share ...
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Having Django serve downloadable files

... If your filename, or path_to_file includes non-ascii characters such as "ä" or "ö", the smart_str does not work as intended since apache module X-Sendfile cannot decode the smart_str encoded string. Thus for example "Örinää.mp3" file cannot be served. And if one omits the smart_str, the Djang...
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Filtering Pandas DataFrames on dates

... So when loading the csv data file, we'll need to set the date column as index now as below, in order to filter data based on a range of dates. This was not needed for the now deprecated method: pd.DataFrame.from_csv(). If you just want to show ...
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What does the regex \S mean in JavaScript? [duplicate]

... "/\S/" delineate the regular expression. – Thorkil Værge Oct 9 '17 at 9:28 add a comment  |  ...
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backbone.js & underscore.js CDN recommendation?

...periods of down time atleast in europe – Simon Dragsbæk Feb 26 '14 at 12:36  |  show 2 more comments ...