大约有 47,000 项符合查询结果(耗时:0.0481秒) [XML]

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Further understanding setRetainInstance(true)

...cause it does have some useful information, but sadly none of it is linked from setRetainInstance(). From the page about fragments Note: Each fragment requires a unique identifier that the system can use to restore the fragment if the activity is restarted (and which you can use to capture t...
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How to update Identity Column in SQL Server?

...it. But here are steps to do it, Please take a back-up of table Step 1- Select design view of the table Step 2- Turn off the identity column Now you can use the update query. Now redo the step 1 and step 2 and Turn on the identity column Reference ...
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What does “error: option --single-version-externally-managed not recognized” indicate?

... This plus answer from @sparrowt fixed my issue – David Poxon Jan 7 '17 at 0:58 add a comment  |  ...
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Exporting data In SQL Server as INSERT INTO

...something else, see screenshot below this one 2008 R2 or later eg 2012 Select "Types of Data to Script" which can be "Data Only", "Schema and Data" or "Schema Only" - the default). And then there's a "SSMS Addin" Package on Codeplex (including source) which promises pretty much the same func...
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How can one see the structure of a table in SQLite? [duplicate]

... You can query sqlite_master SELECT sql FROM sqlite_master WHERE name='foo'; which will return a create table SQL statement, for example: $ sqlite3 mydb.sqlite sqlite> create table foo (id int primary key, name varchar(10)); sqlite> select sql f...
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My images are blurry! Why isn't WPF's SnapsToDevicePixels working?

...> are both 20 pixels by 20 pixels. As I understand it, the issue comes from WPF. It sort-of wants to disregard the pixel grid of the monitor, so it's logical grid usually won't perfectly line up with the physical grid. – Zack Peterson Mar 2 '09 at 15:22 ...
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Using async/await for multiple tasks

...ything but waiting. int[] ids = new[] { 1, 2, 3, 4, 5 }; Task.WaitAll(ids.Select(i => DoSomething(1, i, blogClient)).ToArray()); On the other hand, the above code with WaitAll also blocks the threads and your threads won't be free to process any other work till the operation ends. Recommende...
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How to change to an older version of Node.js

...u to easily install and manage multiple versions of node. Here's a snippet from the help: Usage: nvm install <version> Download and install a <version> nvm use <version> Modify PATH to use <version> nvm ls List versions (installed version...
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What does the ??!??! operator do in C?

... discussion on the IBM developerworks board seems to support that theory. From ISO/IEC 9899:1999 §5.2.1.1, footnote 12 (h/t @Random832): The trigraph sequences enable the input of characters that are not defined in the Invariant Code Set as described in ISO/IEC 646, which is a subset of the ...
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What are best practices for multi-language database design? [closed]

... you might be thinking, that instead of writing simple queries like this: SELECT price, name, description FROM Products WHERE price < 100 ...you would need to start writing queries like that: SELECT p.price, pt.name, pt.description FROM Products p JOIN ProductTranslations pt ON (p.id = ...