大约有 46,000 项符合查询结果（耗时：0.0678秒） [XML]
What is the argument for printf that formats a long?
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edited Jan 1 '16 at 1:20
rogerdpack
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Automate ssh-keygen -t rsa so it does not ask for a passphrase
I need to automate ssh-keygen -t rsa with out a password i.e. enter at the prompt.
How can I do that from a shell script?
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Querying data by joining two tables in two database on different servers
...d, you'll construct the query as normal, just prefixing the database name with the other server. I.E:
-- FROM DB1
SELECT *
FROM [MyDatabaseOnDB1].[dbo].[MyTable] tab1
INNER JOIN [DB2].[MyDatabaseOnDB2].[dbo].[MyOtherTable] tab2
ON tab1.ID = tab2.ID
Once the link is established, you c...
Making your .NET language step correctly in the debugger
...ngineer on the Visual Studio Debugger team.
Correct me if I am wrong, but it sounds like the only issue left is that when switching from PDBs to the .NET 4 dynamic compile symbol format some breakpoints are being missed.
We would probably need a repro to exactly diagnose the issue, however here ar...
What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
Two questions about using a question mark "?" and colon ":" operator within the parentheses of a print function: What do they do? Also, does anyone know the standard term for them or where I can find more information on their use? I've read that they are similar to an 'if' 'else' statement.
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postgresql - sql - count of `true` values
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edited May 14 '16 at 7:17
answered Mar 22 '11 at 19:29
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How can I count occurrences with groupBy?
I want to collect the items in a stream into a map which groups equal objects together, and maps to the number of occurrences.
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putting datepicker() on dynamically created elements - JQuery/JQueryUI
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edited May 7 '15 at 15:22
answered May 3 '12 at 14:18
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Is the != check thread safe?
...LD test/Test1.a : Ljava/lang/Object;
IF_ACMPEQ L1
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as we can see it loads field a to local vars twice, it's a non-atomic operation, if a was changed in between by another thread comparison may produce false.
Also, memory visibility problem is relevant here, there is no guarantee that cha...
What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?
...You may have to access that through a DataContext or some other provider.
It also assumes that Foo is a column in MyTable that gets mapped to a property name.
See http://blogs.msdn.com/vbteam/archive/2008/01/08/converting-sql-to-linq-part-7-union-top-subqueries-bill-horst.aspx for more detail.
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