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C++ protobuf使用入门实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...singleton enumeration to represent the null value for the
// `Value` type union.
//
// The JSON representation for `NullValue` is JSON `null`.
enum TestNullValue {
// Null value.
NULL_VALUE = 0;
}
// `ListValue` is a wrapper around a repeated field of values.
//
// The JSON represen...
What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?
...p://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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How to check if a line is blank using regex
... answer missed many empty lines in my file, but this caught them all. The union of both regexes catches every case.
– elmor
Oct 5 '17 at 0:16
...
Inserting multiple rows in mysql
... it's also possible to use INSERT INTO Table SELECT 1, '14/05/2012', 3 UNION SELECT 2, '05/14/2012', 3. of course, this will only be better of the inserted values are coming from different tables.
– Zohar Peled
Jun 1 '15 at 9:18
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Light weight alternative to Hibernate? [closed]
...tion
Full support for standard SQL including SQL language features such as UNIONs, nested SELECTs, all types of JOINs, aliasing (e.g. for self-joins), etc
Wide support for non-standard SQL including UDT's, stored procedures, vendor-specific functions, etc.
Read about jOOQ in this article: http://j...
Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC
..., here is my understanding of these concepts.
What Are Roles
Role = The union of Users and Permissions.
On one hand, a Role is a collection of Permissions. I like to call it a Permission Profile. When defining a Role you basically add a bunch of Permissions into that Role so in that sense a Rol...
C# int to byte[]
...
yup. Basically a c++ union implemented as c# structs. This is super-fast and is good for packing and unpacking all kinds of things that don't fit nicely into the bitconverter/endian problem solutions. IIRC, NAudio uses this approach to very good ...
In Flux architecture, how do you manage Store lifecycle?
...p;& this.getPageCount() > 0;
}
prepend(id) {
this._ids = _.union([id], this._ids);
}
remove(id) {
this._ids = _.without(this._ids, id);
}
expectPage() {
invariant(!this._isExpectingPage, 'Cannot call expectPage twice without prior cancelPage or receivePage call.');
...
Get the last inserted row ID (with SQL statement) [duplicate]
...e:
INSERT dbo.foo(name)
OUTPUT inserted.ID INTO @IDs(ID)
SELECT N'Fred'
UNION ALL
SELECT N'Bob';
SELECT ID FROM @IDs;
The nice thing about this method is (a) it handles multi-row inserts (SCOPE_IDENTITY() only returns the last value) and (b) it avoids this parallelism bug, which can lead to wr...
What are the basic rules and idioms for operator overloading?
...t version.
For the -> operator, if value_type is of class (or struct or union) type, another operator->() is called recursively, until an operator->() returns a value of non-class type.
The unary address-of operator should never be overloaded.
For operator->*() see this question. It's ...