Java Android Read and write Siemens PLC data, including S7 protocol and Fetch/write protocol, S7 support 200SMART,300PLC,1200PLC,1500PLC

This article will use a GitHub open source component technology to read and write Siemens PLC data, using the Ethernet-based TCP/IP implementation, no additional components, read operations as long as the background thread will not be stuck thread,

Learn to program, learn Java or Big data, Android? Average monthly salary 23k above tell you the direction

Learn to program, learn Java or Big data, Android? There are many students in the tangle, recently there are a lot of beginners to ask, learning big data, learning Spark, the company mainly use those languages to write, every hear this question, at

From zero development Android video on Demand app video course on-demand app tutorial

the 1th chapter introduces the course, technology selectionThis chapter will introduce you to the course of what you learned, Project functional modules, and the technology to decompose, convenient for everyone to prepare and study, and will be the

Apple's first-quarter domestic revenue of over $13 billion, million Iphonex how to become the people's favorite?

Apple announced its second-quarter financial results for fiscal year 2018 on May 2. Apple's net revenue of $61.137 billion, compared with $52.896 billion last year, grew 16% per cent, according to financial reports. In accordance with GAAP, net

Pass millet push block chain pet "Encrypt rabbit", mining has become a marketing means to pass millet will push the blockchain pet "Crypto Rabbit", mining has become a kind of camp

March 10, there are netizens in the group to share the suspected Xiaomi blockchain products "encrypted rabbit" link, Xiaomi or will launch their own blockchain game project.First, about the millet blockchain pet "Crypto Rabbit"From the exposure of

iOS development HTTPS implementation of trusted SSL and self-signed certificates

Let's start by analyzing what HTTPS is and what it means for iOS developersHTTPS and SSL/TSL What is SSL? SSL (secure Sockets layer), because the HTTP protocol used on the internet is plaintext, there are many drawbacks, such as the

[Go] About SDK update Android SDK Tools 25.3. Version 1 after using SDK Manager Flash back

Yesterday the two managers were working properly, updated today, found unavailable, ran AVD manager and SDK Manager did not respond , searched a lot of articles, and then saw the next article " about the SDK update Android SDK Tools 25.3.1 version

Android uses Android-support-multidex to solve the problem of Dex exceeding the number of methods, so that your app is no longer bursting

if reproduced, please declare the source: Time of the Sand: http://blog.csdn.net/t12x3456 (from the sands of the CSDN blog)as applications continue to iterate, lines of business expand, applications are growing (for example, by integrating a variety

Learn Google Daydream VR development, Quick Start Development Basic Tutorial one: Android Development environment Configuration One

The original text because of involved in the wall information, was forcibly deleted, this article for replacement!preparatory workgo to Google Daydream Developer website, open the preparation work, official website address:

Exhange the ServerName and Serverlegacydn properties of the mailbox correspond to errors when the mailbox is moved to a new server

I found that in exchange 2010/2013, even in CU2, when a database in a DAG is activated on a different server, use the commandget-mailbox-identity mailtest01 | fl name,server*,database acquired servername and Serverlegacydn not normal, The old

Android mobile camera data sharing via WiFi hotspot

Original address: http://blog.csdn.net/sinat_35845281/article/details/52674946I've been trying to get a novelty.Recently has been learning to share webcam data through two Android phones via WiFi. It took a long time to get some bosses. Here are a

Summarize 64 Examples of Java learning, difficulties and so on-Park blog mobile version

Summarize 64 Examples of Java learning, difficulties and so on-Park blog mobile version1. What are the aspects of object-oriented features(1) Abstract:Abstraction is about ignoring aspects of a topic that are not related to the current goal, so that

Your Android phone has saved WiFi Password View assistant (open source)

First, demand analysisRecently the computer needs to connect WiFi, but found the WiFi password to forget. And the phone has saved the WiFi password, but in the phone's settings screen can not see.Although there are already some apps that can see the

Dual-line redundancy and load balancing with PBR, SLA, and Eem on Cisco IOS

Background:With the information office becoming more and more popular, people's office relies on the Internet more and more, it, the network in the enterprise's influence is more and more big. Therefore, the reliability of the enterprise network

[Translate] How to install acra-an Android app crash tracking system

[Translate] How to install acra-an Android app crash tracking system-on your own serverHow to Setup ACRA, a Android application Crash Tracking system, on your own hostOriginal

4 ways to run an Android app on a PC

I have a glory 3C, usually put in the dorm (I carry a Nokia E63, small, stable, long standby time), in the dormitory I will use it in the public number of articles, recently to test driving license is also on the above with driving test treasure.

Is it a stick or a creative apple why push a big screen ipad?

August 28 News, the major media recently released Apple may release next year 12.9-inch ipad news, the technology blog Mashable published a commentary on the use of this product analysis. The article argues that Apple may want to use it to tap into

Vmware-vcenter-server-appliance 5.x Error exclusion

1. Failed to connect to VMware Lookup Service Https://IP:7444/lookupservice/sdk-SSL certificate Verification Failed.I modified its hostname during the configuration of VCSA, which may be caused by this.Workaround:Login VCSA, https://:5480Click on '

[Android memory] using Eclipse memory Analyzer for heap dump file analysis

Reprint Address: http://www.ibm.com/developerworks/cn/opensource/os-cn-ecl-ma/index.htmlEclipse Memory Analyzer (MAT) is one of 33 components of the famous Eclipse Galileo version of the cross-platform integrated development environment, which is a

The latest Android development environment based on ADT-BUNDLE-WINDOWS-X86

The latest Android development environment built on adt-bundle-windows-x86A system to be installed as an Android client, to an Android development environment quickly set up, the system Win7, the specific steps are as follows:1. Download

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