大约有 40,000 项符合查询结果(耗时:0.0722秒) [XML]

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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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What is the size of an enum in C?

...set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possible to have an e...
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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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How to find all duplicate from a List? [duplicate]

...ave a List<string> which has some words duplicated. I need to find all words which are duplicates. 9 Answers ...
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Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?

... and shared objects are just different terms for the same thing - Windows calls them DLLs, while on UNIX systems they're shared objects, with the general term - dynamically linked library - covering both (even the function to open a .so on UNIX is called dlopen() after 'dynamic library'). They are ...
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What is the difference between vmalloc and kmalloc?

...allocate memory during the handling of a system call, should I specify GFP_ATOMIC ? Is a system call executed in an atomic context? ...
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Why does Razor _layout.cshtml have a leading underscore in file name?

...ith the underscore. And the Web Pages framework has been configured not to allow files with leading underscores in their names from being requested directly. Other .cshtml files within Web Pages generally need to be browsable. They are the equivalent of .asp or .php files. The ASP.NET team have sta...
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PHP - include a php file and also send query parameters

...luded PHP file which will then be interpreted. There is no scope change at all, so you can still access $someVar in the included file directly (even though you might consider a class based structure where you pass $someVar as a parameter or refer to a few global variables). ...
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Objective-C: Where to remove observer for NSNotification?

...his is obviously not a satisfying answer. I'd recommend, that you add a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unregister an observer cleanly. This will, however, only protect you against ...
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ssl_error_rx_record_too_long and Apache SSL [closed]

...default_:443> Error code: ssl_error_rx_record_too_long This usually means the implementation of SSL on your server is not correct. The error is usually caused by a server side problem which the server administrator will need to investigate. Below are some things we recommend trying....