大约有 16,000 项符合查询结果(耗时:0.0400秒) [XML]

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How to select multiple rows filled with constants?

...LUES (1, 2), (3, 4) ) AS q (col1, col2) In other systems, just use UNION ALL: SELECT 1 AS col1, 2 AS col2 -- FROM dual -- uncomment the line above if in Oracle UNION ALL SELECT 3 AS col1, 3 AS col2 -- FROM dual -- uncomment the line above if in Oracle In Oracle, ...
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”

...ver, if you supply a RoundingMode and a precision, then it will be able to convert (eg. 1.333333333-to-infinity to something like 1.3333 ... but you as the programmer need to tell it what precision you're 'happy with'. share...
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Hidden features of WPF and XAML?

...into words just how much I love that feature. I hated having tons of value converters laying around. – Rob Jul 14 '09 at 13:53 ...
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What is dynamic programming? [closed]

...elf, usually with a smaller dataset. Since most recursive functions can be converted to similar iterative functions, this doesn't make a difference for algorithmic complexity either. Dynamic programming is the process of solving easier-to-solve sub-problems and building up the answer from that. Mos...
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Switch statement: must default be the last case?

... controlling expression. The constant expression in each case label is converted to the promoted type of the controlling expression. If a converted value matches that of the promoted controlling expression, control jumps to the statement following the matched case label. Otherwise, ...
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Find nearest latitude/longitude with an SQL query

...All the abs should be removed. There is no need to take the abs value when converting from degrees to radians, and, even if you did, you are doing it to just one of the latitudes. Please edit it so it fixes the bug. – Chango Jan 12 '16 at 21:59 ...
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List of Stored Procedures/Functions Mysql Command Line

...lved this answer into select db,name,type from mysql.proc where db<>'sys'; for a bit more info, and less built-in system kruft. – pbnelson Aug 16 '19 at 14:49 add a comm...
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Format bytes to kilobytes, megabytes, gigabytes

...] Number of digits after the decimal point (eg. 1) * @return string Value converted with unit (eg. 25.3KB) */ function formatBytes($bytes, $precision = 2) { $unit = ["B", "KB", "MB", "GB"]; $exp = floor(log($bytes, 1024)) | 0; return round($bytes / (pow(1024, $exp)), $precision).$unit[...
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How can I get a Dialog style activity window to fill the screen?

...idth and Height were completely wrong and couldn't figure out how to fix. Converting the root layout to a RelativeLayout fixed my issues as well! – SharpMobileCode Sep 15 '17 at 18:27 ...
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Decompressing GZip Stream from HTTPClient Response

...d JSON response = client.GetAsync(url).Result; //converts JSON to string string responseJSONContent = response.Content.ReadAsStringAsync().Result; //deserializes string to list var jsonList = DeSerializeJsonString(responseJSONContent); ...