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MyBatis is a Java persistence framework that couples objects with stored procedures or SQL statements using an XML descriptor or annotations. MyBatis is free software that is distributed under the Apache License 2.0. MyBatis is a fork of iBATIS 3.0 and is maintained by a team that includes the original creators of iBATIS.
Versions 2.3.1 and 2.3.2 came out in April 2008, and 2.3.3 in July. The framework is currently available in Java, .NET, and Ruby (RBatis) versions. The jBati project is a JavaScript ORM inspired by iBATIS. The Apache iBator tool is closely related: it connects to your database and uses its metadata to generate iBATIS mapping files and Java classes.
For example, two numbers can be multiplied just by using a logarithm table and adding. These are often known as logarithmic properties, which are documented in the table below. [2] The first three operations below assume that x = b c and/or y = b d, so that log b (x) = c and log b (y) = d. Derivations also use the log definitions x = b log b (x ...
Apache Log4j 2 is the successor of Log4j 1 which was released as GA version in July 2015. The framework was rewritten from scratch and has been inspired by existing logging solutions, including Log4j 1 and java.util.logging.
Spring Framework 4.2.0 was released on 31 July 2015 and was immediately upgraded to version 4.2.1, which was released on 01 Sept 2015. [14] It is "compatible with Java 6, 7 and 8, with a focus on core refinements and modern web capabilities". [15] Spring Framework 4.3 has been released on 10 June 2016 and was supported until 2020. [16]
These two submodules are distributed in two libraries, myfaces-api.jar and myfaces-impl.jar. Both of them are needed to be able to deploy a JSF based web application. The latest release of MyFaces Core is 2.3.4. It requires Java 1.8 or later, JSP 2.2, JSTL 1.2, CDI 2.0, WebSocket 1.1 and a Java Servlet 4.0 implementation. [4]
Every family of sets with n different sets has at least log 2 n elements in its union, with equality when the family is a power set. [30] Every partial cube with n vertices has isometric dimension at least log 2 n, and has at most 1 / 2 n log 2 n edges, with equality when the partial cube is a hypercube graph. [31]
The graph of the logarithm base 2 crosses the x-axis at x = 1 and passes through the points (2, 1), (4, 2), and (8, 3), depicting, e.g., log 2 (8) = 3 and 2 3 = 8. The graph gets arbitrarily close to the y-axis, but does not meet it. Addition, multiplication, and exponentiation are three of the most fundamental arithmetic operations.