大约有 45,000 项符合查询结果(耗时:0.0388秒) [XML]

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A circular reference was detected while serializing an object of type 'SubSonic.Schema .DatabaseColu

... I think maybe selecting the ones I want may work I think the circular reference is because in Event I have IQueryable<Category> which in turn will have a IQueryable<Event> – Jon Jul 20 '09...
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Find all elements on a page whose element ID contains a certain text using jQuery

... $(this).doStuff(); }); Note the asterisk '*' at the beginning of the selector matches all elements. See the Attribute Contains Selectors, as well as the :visible and :hidden selectors. share | ...
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How many GCC optimization levels are there?

...? integral_argument also thinly wraps atoi and rejects the argument if any character is not a digit. So negative values fail gracefully. Back to opts.c:default_options_optimization, we see the line: if ((unsigned int) opts->x_optimize > 255) opts->x_optimize = 255; so that the optimizati...
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What is a good Hash Function?

... that differ only in the last 4 bytes can collide easily. If you have a 30 character string, that differ in the last 4 bytes, after 28 bytes have been processes, the hashes differ only in the last 2 bytes. That means you are GUARANTEED a collision for one of the remaining two-byte values. (Yeah, it'...
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What's the difference between MyISAM and InnoDB? [duplicate]

... on the table, and while that lock is held, no other session can perform a SELECT or a DML operation on the table. Those two specific engines you asked about (InnoDB and MyISAM) have different design goals. MySQL also has other storage engines, with their own design goals. So, in choosing between In...
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ReactJS Two components communicating

...te is also increasing in complexity, as we need to manage active routes, selected tabs, spinners, pagination controls, and so on. Managing this ever-changing state is hard. If a model can update another model, then a view can update a model, which updates another model, and this, in tur...
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Why does Git treat this text file as a binary file?

... inspected the file's contents it has seen stuff that isn't in basic ascii characters. Being UTF16 I expect that it will have 'funny' characters so it thinks it's binary. There are ways of telling git if you have internationalisation (i18n) or extended character formats for the file. I'm not suffic...
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Read data from SqlDataReader

...you use indexes like reader.GetString(0) will it use the first column you selected in your query or the firstt column on the table. I have a table with 3 columns in order: ID, Dir, Email. My command selects dir and email. Will reader.GetStrting(0) retrieve dir or ID? Are the indexes based off t...
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Python int to binary string?

...ring type. Maybe a language where all strings are stored backwards or each char is a node in a linked list? For any typical language a string is basically an array of chars. In that case prefixing a string requires that a copy is made, how else are you going to put the character before the other cha...
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Checking if a SQL Server login already exists

... From here If not Exists (select loginname from master.dbo.syslogins where name = @loginName and dbname = 'PUBS') Begin Select @SqlStatement = 'CREATE LOGIN ' + QUOTENAME(@loginName) + ' FROM WINDOWS WITH DEFAULT_DATABASE=[PUBS], DEFAULT...