大约有 47,000 项符合查询结果(耗时:0.0386秒) [XML]

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is it possible to select EXISTS directly as a bit?

...o, you'll have to use a workaround. If you must return a conditional bit 0/1 another way is to: SELECT CAST( CASE WHEN EXISTS(SELECT * FROM theTable where theColumn like 'theValue%') THEN 1 ELSE 0 END AS BIT) Or without the cast: SELECT CASE WHEN EXISTS( SELECT 1 FROM the...
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Date.getDay() javascript returns wrong day

...lue returned by getDay is an integer corresponding to the day of the week: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on. share | improve this answer | follow ...
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Remove characters from C# string

... answered Sep 14 '11 at 5:03 Albin SunnanboAlbin Sunnanbo 43.5k88 gold badges6363 silver badges100100 bronze badges ...
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How to deal with SettingWithCopyWarning in Pandas?

I just upgraded my Pandas from 0.11 to 0.13.0rc1. Now, the application is popping out many new warnings. One of them like this: ...
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Integer division with remainder in JavaScript?

... 1309 For some number y and some divisor x compute the quotient (quotient) and remainder (remainder) ...
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Better techniques for trimming leading zeros in SQL Server?

... SUBSTRING(str_col, PATINDEX('%[^0]%', str_col+'.'), LEN(str_col)) share | improve this answer | follow | ...
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UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont

...y, by changing contentoffset [self.tableView setContentOffset:CGPointMake(0, -self.refreshControl.frame.size.height) animated:YES]; I would guess the reason for this is that it could be undesirable to scroll to the refresh control when user is in the middle/bottom of the table view? Swift 2.2 ve...
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How do I check the difference, in seconds, between two dates?

...tes, use total_seconds like this: import datetime as dt a = dt.datetime(2013,12,30,23,59,59) b = dt.datetime(2013,12,31,23,59,59) (b-a).total_seconds() 86400.0 #note that seconds doesn't give you what you want: (b-a).seconds 0 ...
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How can I split and parse a string in Python?

I am trying to split this string in python: 2.7.0_bf4fda703454 3 Answers 3 ...
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Why is printing to stdout so slow? Can it be sped up?

... I ran your file writing test on my machine, and with buffering, it also 0.05s here for 100,000 lines. However, with the above modifications to write unbuffered, it takes 40 seconds to write only 1,000 lines to disk. I gave up waiting for 100,000 lines to write, but extrapolating from the previou...