大约有 40,000 项符合查询结果(耗时:0.0506秒) [XML]

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What's the difference between RANK() and DENSE_RANK() functions in oracle?

... with q as ( select 10 deptno, 'rrr' empname, 10000.00 sal from dual union all select 11, 'nnn', 20000.00 from dual union all select 11, 'mmm', 5000.00 from dual union all select 12, 'kkk', 30000 from dual union all select 10, 'fff', 40000 from dual union all select 10, 'ddd', 40000 from dual union ...
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Entity Framework DateTime and UTC

...y Framework (I am using the Code First Approach with CTP5 currently) store all DateTime values as UTC in the database? 13 A...
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Regular expressions in an Objective-C Cocoa application

...ar expressions for substring searches, e.g. [myString rangeOfString:@"regex_here" options:NSRegularExpressionSearch] – Nestor Apr 28 '11 at 15:23 1 ...
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What's the difference between ViewData and ViewBag?

...y typed view models (the same way as viewdata should be avoided). So basically it replaces magic strings: ViewData["Foo"] with magic properties: ViewBag.Foo for which you have no compile time safety. I continue to blame Microsoft for ever introducing this concept in MVC. The name of the pro...
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Difference between app.all('*') and app.use('/')

Is there a useful difference between app.all('*', ... ) and app.use('/', ...) in Node.JS Express? 7 Answers ...
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SQLAlchemy: how to filter date field?

...In fact, your query is right except for the typo: your filter is excluding all records: you should change the <= for >= and vice versa: qry = DBSession.query(User).filter( and_(User.birthday <= '1988-01-17', User.birthday >= '1985-01-17')) # or same: qry = DBSession.query(User)....
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MongoDB not equal to

...b.inventory.find( { price: { $not: { $gt: 1.99 } } } ) That would select all documents where: The price field value is less than or equal to 1.99 or the price Field does not exist share | impro...
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Reverse / invert a dictionary mapping

... For Python 2.7.x inv_map = {v: k for k, v in my_map.iteritems()} For Python 3+: inv_map = {v: k for k, v in my_map.items()} share | improve...
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What is the easiest way to push an element to the beginning of the array?

...the top of the page could be better formatted, it is very difficult to visually scan as it is. I found it because I knew the method name I was looking for :) – mu is too short May 22 '11 at 6:45 ...
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Best way to create a simple python web service [closed]

...t you can use it with wsgi in different environments (cgi, fcgi, apache/mod_wsgi or with a plain simple python server for debugging). share | improve this answer | follow ...