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What is the curiously recurring template pattern (CRTP)?
...phism(which like dynamic polymorphism but without virtual function pointer table).
#pragma once
#include <iostream>
template <typename T>
class Base
{
public:
void method() {
static_cast<T*>(this)->method();
}
};
class Derived1 : public Base<...
BeanFactory vs ApplicationContext
... are great on this: 3.8.1. BeanFactory or ApplicationContext?.
They have a table with a comparison, I'll post a snippet:
Bean Factory
Bean instantiation/wiring
Application Context
Bean instantiation/wiring
Automatic BeanPostProcessor registration
Automatic BeanFactoryPostProcessor registratio...
What's an object file in C?
...
A linker takes all these object files and combines them to form one executable (assuming that it can, ie: that there aren't any duplicate or undefined symbols). A lot of compilers will do this for you (read: they run the linker on their own) if you don't tell them to "just compile" using command-...
What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?
... face is data purity: sometimes the parameters received or the data in the tables are just plain wrong, resulting in duplicate key errors, referential constrain errors, check constrain errors and so on and so forth. After all, that's exactly the role of these constrains, if these data purity errors ...
How to see query history in SQL Server Management Studio
...ndtime%' -- do not show myself
ORDER BY last_execution_time DESC
TRUNCATE TABLE #lastendtime
INSERT INTO #lastendtime VALUES (GETUTCDATE())
Entity Framework 4 - AddObject vs Attach
...pdate (or delete) the appropriate row by finding its matching ID in the db table.
Furthermore, using the Attach method, you can define relationships between entities that already exist in the ObjectContext but that have not been connected automatically. Basically the main purpose of Attach, is to ...
Angularjs: 'controller as syntax' and $watch
... @user1852503 See docs.angularjs.org/guide/component Comparison table Directive/Component definition and check 'controllerAs' record.
– Niels Steenbeek
Oct 24 '16 at 14:19
...
Why does Dijkstra's algorithm use decrease-key?
...the runtime? That depends on what priority queue you use. Here's a quick table that shows off different priority queues and the overall runtimes of the different Dijkstra's algorithm implementations:
Queue | T_e | T_d | T_k | w/o Dec-Key | w/Dec-Key
---------------+--------+--...
What are POD types in C++?
...l be no "magic" going on in the structure: for example hidden pointers to vtables, offsets that get applied to the address when it is cast to other types (at least if the target's POD too), constructors, or destructors. Roughly speaking, a type is a POD when the only things in it are built-in types ...
What represents a double in sql server?
...le of properties in C# which are double and I want to store these in a table in SQL Server, but noticed there is no double type, so what is best to use, decimal or float ?
...