Talk about Code Cache of jvm

order This paper mainly studies the Code Cache of jvm. Code Cache The memory space of native code generated by JVM is called Code Cache; JIT compilation, JNI and so on compile code to native code, and the native code generated by JIT occupies most of the space of Code Cache. Related parameters Codecache Size Options -XX:InitialCodeCacheSize ...

Posted by rjs34 on Sat, 11 May 2019 10:40:14 +0200

Building wnmp under Windows

The running environment is windows server 2008 64-bit system. Installation directory D:/wnmp Mysql 5.7 Download Address: https://dev.mysql.com/downloads/mysql/5.7.html#downloads (This article chooses 5.7.25 | Microsoft Windows | All | Windows (x86, 64-bit), ZIP Archive) php7.2 Download Address: https://windows.php.net/downloads/releases/php-7. ...

Posted by cyberlew15 on Sat, 11 May 2019 09:05:31 +0200

Wu Enda Machine Learning Programming Job Summary —— Logistic Regression with Neural Network Thinking

Write a custom directory title here Summary of Wu Enda's Machine Learning Programming Jobs--Logistic Regression with Neural Network Thinking 1. Cat tutorial 1.1 Training Set and Test Set Introduction 1.2 Picture data processing 1.2.1 Dimension reduction for pictures, transpose: 1.2.2 Standardized, dividing each row of pict ...

Posted by apacheguy on Sat, 11 May 2019 07:01:18 +0200

Deep analysis of [C++] 59_class template

Multi-parameter class template Class templates can define any number of different type parameters template < typename T1, typename T2 > class Test { public: void add(T1 a, T2 b); }; ==> Test<int float> t; Class templates can be specialized Specific implementation of specified class template Some type parameters must display ...

Posted by ted_chou12 on Sat, 11 May 2019 06:45:35 +0200

Canvas Utility Library Fabric.js Manual

brief introduction What is Fabric.js? Fabric.js is a library that can simplify Canvas programming. Fabric.js provides Canvas with the missing object model, svg parser, interaction and a set of other indispensable tools. Because Fabric. JS is a foreign framework, the official API is messy and numerous, most of the relevant documents are English ...

Posted by guttyguppy on Fri, 10 May 2019 21:12:38 +0200

Start using Spring Data JPA

Since we have just released the first milestone of the Spring Data JPA project, I would like to give you a brief introduction to its functionality. As you may know, the Spring framework provides support for building a data access layer based on JPA. So what does Spring Data JPA add to this basic support? To answer this que ...

Posted by CreativeWebDsign on Fri, 10 May 2019 18:54:01 +0200

8-Play Data Structure-Heap

We introduced the binary search tree and two higher-level data structures, set and mapping, which are implemented by the binary search tree. Tree data structure plays an important role in the field of computer. It is important because trees can produce many extensions, change or restrict the nature of tree data structure slightly i ...

Posted by simon551 on Fri, 10 May 2019 17:34:41 +0200

AOP Explanation of Spring

outline Introduction to AOPII. Actual Operations of Spring3. Common labels of AOPIV. Project Source Code and Reference Download5. Reference Articles     Introduction to AOP 1. What is AOP In the software industry, AOP stands for Aspect Oriented Programming, which means: AoP Through precompile A technique of unified ...

Posted by Seamless on Fri, 10 May 2019 15:41:33 +0200

Java core technology inheritance and polymorphism, overloading and rewriting, abstract classes and interfaces

Class inheritance As for the definition of inheritance of classes, we can understand it more or less as the relationship between father and son. Sons will inherit the attributes and methods of father. The father is the father and the son is the child. Their relationship is the inheritance relationship. Xiaobian here is a Jav ...

Posted by fredi_bieging on Fri, 10 May 2019 13:50:02 +0200

Python Grammar Basics

# Direction of variables a = "abc" b = a a = "def" print(a) print(b) def abc print(10/3) # The result is a decimal print(10//3) #The result is an integer print(10%3) # Remainder 3.3333333333333335 3 1 #Summary #Python supports a variety of data types. Within a computer, any data can be viewed as an object, and variables are used in prog ...

Posted by jumphopper on Fri, 10 May 2019 12:10:05 +0200