大约有 40,000 项符合查询结果(耗时:0.0665秒) [XML]

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What is the single most influential book every programmer should read? [closed]

...tt Hargett How To Solve It by George Polya The Alchemist by Paulo Coelho Smalltalk-80: The Language and its Implementation Writing Secure Code (2nd Edition) by Michael Howard Introduction to Functional Programming by Philip Wadler and Richard Bird No Bugs! by David Thielen Rework by Jason Freid and...
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How to extract the n-th elements from a list of tuples?

... @Wayne Werner: Yep. This stuff was all just passive knowledge (I don't often use it) - but it's good to be reminded now and then so you know where / what to look for... – Daren Thomas Jul 22 '10 at 13:14 ...
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Select first row in each GROUP BY group?

... On Oracle 9.2+ (not 8i+ as originally stated), SQL Server 2005+, PostgreSQL 8.4+, DB2, Firebird 3.0+, Teradata, Sybase, Vertica: WITH summary AS ( SELECT p.id, p.customer, p.total, ROW_NUMBER() OVER(PARTITION BY p.cus...
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C# 4.0 optional out/ref arguments

Does C# 4.0 allow optional out or ref arguments? 9 Answers 9 ...
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How to split a string and assign it to variables

... I like Go but I wouldn't call this flexible :D – Pijusn May 25 '17 at 4:27 add a comment  |  ...
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SQL Server Index Naming Conventions [closed]

...ems that the primary key index is named PK_ and non-clustered indexes typically start with IX_. Are there any naming conventions beyond that for unique indexes? ...
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Django: multiple models in one template using forms [closed]

...eparate project) OR creating a new Customer, then creating a Ticket and finally creating a Note assigned to the new ticket. ...
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Understanding generators in Python

...A generator is simply a function which returns an object on which you can call next, such that for every call it returns some value, until it raises a StopIteration exception, signaling that all values have been generated. Such an object is called an iterator. Normal functions return a single value...
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Where is the WPF Numeric UpDown control?

...Modifier="private" Margin="5,5,0,5" Width="50" Text="0" TextChanged="txtNum_TextChanged" /> <Button x:Name="cmdUp" x:FieldModifier="private" Margin="5,5,0,5" Content="˄" Width="20" Click="cmdUp_Click" /> <Button x:Name="cmdDown" x:FieldModifier="private" Margin="0,5,0,5" Conten...
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How do I get the path of the Python script I am running in? [duplicate]

... os.path.realpath(__file__) will give you the path of the current file, resolving any symlinks in the path. This works fine on my mac. share | ...