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Zkteco iface702 Time Attendance Machine Java Development Step One---connection attendance machine

Java uses Jacob to call the master Attendance Machine SDK Method 1, jacob-1.19 version2, jdk1.8 64 bits (tested JACOB.1.19 support 64 for JDK);3, put Jacob.jar into the project Web-info/lib under import:4, put Jacob-1.19-x64.dll into 64-bit Jre/bin directory, my is: D:\java\jdk1.8.0_101\jre\bin;5, the central control attendance Machine SDK dll files are all put into the C:\Windows\System32 directory6. Run c

Stanford Machine Learning Note-7. Machine learning System Design

7 machine learning System Design Content 7 Machine Learning System Design 7.1 Prioritizing 7.2 Error Analysis 7.3 Error Metrics for skewed classed 7.3.1 Precision/recall 7.3.2 Trading off precision and RECALL:F1 score 7.4 Data for machine learning 7.1 PrioritizingWhen we set out to design a

Machine learning Techniques--1–2 speaking. Linear Support Vector Machine

The topic of machine learning techniques under this column (machine learning) is a personal learning experience and notes on the Machine Learning Techniques (2015) of Coursera public course. All the content is from Coursera public class machine learning techniques Hsuan-tien Lin Heights field Teacher's explanation. (ht

"Machine learning" Matlab 2015a self-bringing machine learning algorithm summary

MATLAB machine learning did not see what tutorial, only a series of functions, had to record:Matlab Each machine learning method is implemented in many ways, and can be advanced configuration (such as the training decision tree when the various parameters set), here due to space limitations, no longer described in detail. I'll just list the simplest ways to use it. For detailed use, please follow the functi

Single-user mode, rescue mode, clone virtual machine, Linux machine login to each other

Single-user modeWhen we forget our server's password we can go into single-user mode on our serverModify our Password: The premise is that we have to operate the physical machine of the host, remote login is not possible!!The single-user mode enters grub only if we don't have the password set in grub, otherwise using single-user mode will not workForgot grub Password Enter optical drive rescue modeStep (Single user mode): Restart Linux (under VMware w

Excellent materials for getting started with Machine Learning: original handouts of the Stanford machine learning course (including open course videos)

Original handout of Stanford Machine Learning Course This resource is the original handout of the Stanford machine learning course, which is AndrewNg said that a total of 20 PDF files cover some important models, algorithms, and concepts in machine learning. This compress will be uploaded and shared with you. You can click on the right side to download the origi

How to create a restore point virtual machine snapshot in a Mac virtual machine how to use

How to create a restore point in a Mac virtual machine is useful for creating a restore point for the virtual machine, and when a problem occurs, you can restore changes to any one snapshot and continue to use the virtual machine operating system. To create a restore point, which is to create a snapshot for the virtual machin

Brush Machine elf V2.1.2 function: Smart watch can also be a key brush machine

The market for wearable equipment has grown rapidly in recent years, with 2014 being called the year of wear equipment. The smart watch, which carries smart-phone systems, is particularly prominent. Apple, Samsung, Sony have launched a brand smart watch. Today, the Brush Machine Wizard V2.1.2 version announces the support of Samsung Smart watch Galaxy Gear (V700) One-button brush machine. Samsung Galaxy Ge

PYTHON obtains machine hardware information and status, and python obtains machine hardware

PYTHON obtains machine hardware information and status, and python obtains machine hardware #!/usr/bin/env python# encoding: utf-8from optparse import OptionParserimport osimport reimport jsondef main(): try: parser = OptionParser(usage="%prog [options]") reg_result=re.compile('\[(.*)\]') #add option parser.add_option("-m","--machine

Host Machine WindowsXp deploys VirtualBox Virtual Machine and installs the LinuxCentOS (RedHat) operating system on it

Install the Virtual Machine VirtualBox on Windows XP and deploy the LinuxCentOS (RedHat) operating system on the Virtual Machine: one virtual machine VirtualBox installation 1. download Virtualbox: Ghost installs the Virtual Machine VirtualBox on the Windows XP operating system, and deploys the Linux CentOS (Red Hat) o

Virtual Machine software developer: How to restrict Virtual Machine Network Attacks

Article Title: Virtual Machine software developer: How to restrict Virtual Machine network attacks. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic categories. by reducing the time for Virtual Machine versions to exist on the network to p

The virtual machine ping does not pass the host, but the host can ping the virtual machine (reproduced)

I installed the virtual machine in the Windows7 system, through the virtual machine installed Ubuntu13.04, I set the host and the virtual Machine connection mode is bridged, installed, found that the virtual machine ping does not host, but the host can ping the virtual machine.My operation is: Turn off the firewall and

How to ping a virtual machine to a physical machine-personal experience

VMware network adapter vmnet1 and VMWare network adapter vmnet8 are two virtual NICs used for communication between the virtual host and the Internet. They are not decisive in connecting with virtual machines and physical machines, even if the two virtual NICs are disabled, the ping between the physical machine and the virtual machine is not affected. The key factor that determines whether Ping can be perfo

(State machine | sequential workflow) | (state machine + sequential workflow )??

This is a post posted on the windowsworkflow.net Forum as follows: There has been a lot of talk about state machines are good for human workflow and the sequential workflows are good for system workflow. I wowould like to present some issues about the state machine for human workflow and get opinions. First, I agree that human workflows are good for the state machine. First they are easy to understand

Technology virtualbox Virtual Machine XP and host machine Ubuntu mutual access sharing folder Implementation Method

From: http://www.jb51.net/ OS /Ubuntu/35201.html ### After a long tangle, post it for future use. Now my host is Ubuntu, and a Windows XP is virtualized in virtualbox. How can I share folders between Ubuntu and XP? The first thing to say is to "free up the mouse and keyboard from the virtual machine". Just press CTRL + ALT + DEL! In the past 10 minutes, the system has been installed. Now in the Device Manager, check whether the driver is not fu

Learning Plan diagram for Java Virtual machine (Java Virtual machine)

Do not say anything, actual combat Java Virtual Machine, good study, Day day up! Develop a learning plan for your own weaknesses.Part of the content to read, do their own study notes and feelings.Java is very simple to learn, but it is difficult to understand Java, if your salary is not more than 1W, it is time to go deep into the study suddenly.5 Notes while learning "Heap overflow processing" in one of the actual Java virtual machines Virtua

Using QEMU-IMG to manage virtual machine disk mirroring (creating virtual machines, virtual machine snapshots)

The core of a virtual machine is a disk image, which can be understood as a disk of virtual machines with important files such as the operating system and drivers of virtual machines. This article mainly describes the general process of creating virtual machines.To create a virtual machine image It typically takes two steps to run a virtual machine on a host: Fi

Machine learning: Matlab 2015a automatic machine learning algorithm Summary

"Machine learning" Matlab 2015a self-machine learning algorithm RollupAuthor: Chen Fa St. "Introduction"Today suddenly found that the version of matlab2015a with a lot of classical machine learning methods, simple and easy to use, so write a blog in this summary (I mainly refer to the help of the MATLAB document). Matlab Each

Discriminant model and generative model in machine learning-machine learning

What are two models? We have come to these two concepts from a few words:1, machine learning is divided into supervised machine learning and unsupervised machine learning;2, supervised machine learning is known as training set data categories to train the classifier, unsupervised m

Oracle VM VirtualBox startup new virtual machine wrong--cannot open a new task for the virtual machine xxxx computer

Label:There are three types of options:1, first in the task Manager to switch off all VirtualBox process, and then into the C:\Users\Administrator\VirtualBox vms\ will be the corresponding guest folder to change the name of the guest, and then re-open it, you will find that can not open, Then turn off all the VirtualBox processes, change the guest name back, and then the guest will be able to use it smoothly.2. Open BIOS (depending on what computer you are) BIOS Setup Utility-"Config ==> CPU ==>

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