tachyon corporation

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A program that reads serial ports using Java

, and the error message is that the serial port cannot be opened, because the same serial port cannot be opened twice at the same time (the FileReader and the FileWriter are declared in ReadSerial ). In this way, full-duplex communication cannot be achieved. I don't know if there is any hero who can talk about the solution./*** IMU. java 1.0* Main Program for Serial Communication** Created: March 27,200 1** Author: Qingye Jiang (John)* American GNC Corporati

Oracle 11g update PSU detailed steps

20299015] $ ps aux | grep ora _Oracle 6922 0.0 0.0 5700 796 pts/3 S + grep ora _[Oracle @ bntjftest 20299015] $ ps aux | grep tnsOracle 6924 0.0 0.0 5704 796 pts/3 S + grep tns 2. Check the opatch version information and upgrade it if necessary. [Oracle @ bntjftest OPatch] $./opatch versionOPatch Version: 11.2.0.1.7OPatch succeeded. Check that the opatch version is earlier than the default version, so you need to upgrade opatch. The upgrade method is very simple. simply drop the original opatc

System and Runtime classes

garbage collector as soon as possible garbage collection is seldom used - - in */ - to + - the //system.getproperties (); * /* $ Panax Notoginseng -- Listing properties-- - Java.runtime.name=java (TM) SE Runtime Environment the sun.boot.library.path=c:\users\administrator\appdata\local\ ... + java.vm.version=24.45-b08 A java.vm.vendor=oracle Corporation the java.vendor.url=http://

Ubuntu10.04 adjust screen brightness

Ubuntu10.04 to adjust the screen brightness, you must first install the video card driver. the following methods are applicable. You can refer to the installation method of the video card driver in 3D effect. That 1. adjust the gamma value of the screen contrast parameter gt; If the xgamma-gamma.75 is not ideal, try to change. 75 to 0.5 ~ 1.0 between test 1 .. Ubuntu 10.04 to adjust the screen brightness first install the graphics card driver, the following method is applicable. You can refer t

Mysql learning record (24) -- mysql related tool _ MySQL

-uroot-p (password) -- default-character-set = utf8Welcome to the MySQL monitor. commands end with; or \ g. your MySQL connection id is 47 Server version: 5.5.44-log Source distributionCopyright (c) 2000,201 5, Oracle and/or its affiliates. all rights reserved. oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. other names may be trademarks of their respectiveowners. type 'help; 'Or' \ H' for help. type '\ C' to clear the cur

Ylbtech-languagesamples-explicitinterface (Display interface)

build and run an explicit interface implementation sample from the command line Use the "Change Directory" command to go to the "ExplicitInterface1" directory. Type the following command: CSC explicit1.csexplicit1 Use the "Change Directory" command to go to the "ExplicitInterface2" directory. Type the following command: CSC explicit2.csexplicit2 1.B, sam

Web environment-related technologies, configuration

language) syntax, which later became an international standard maintained by the World Wide Web Consortium.The latest version is HTML5 it is the next major revision of HTML and is still in the development phase. The goal is to replace the 1999 set of the HTML 4.01 and XHTML 1.0 standards, in order to enable the rapid development of Internet applications, the network standards to meet the needs of modern network. When it comes to generalized theory and HTML5, it actually refers to a set of techn

Generation of JSON strings

Public class Corporation { Public string Get Set ; } Public string Get Set ; } Public string Get Set ; } } Public classTenderdoc { Public stringTenderdocid {Get;Set; } PublicCorporation Corporation {Get;Set; } Public stringContext {Get;Set; } Public string@operator {Get;Set; } } Public class Root { publicgetset;} Public string Get Set ; } }This defines th

Use Bumblebee to control NVIDIA dual-graphics (ubuntu)

tries to simulate the behavior of Optimus technology. When needed, it uses an independent video card for rendering and disables it when not used. The current version only supports on-demand rendering, and the power management function is still under development. Test environment: Acer Aspire 5750 GNVIDIA GeForce GT630Mubuntu 12.04 x86_64 I. Update the video card information. Otherwise, an error may be detected ~ Sudo update-pciids [sudo] password for congbo: Downloaded daily snapshot dated 2012

"Summer Vacation" [Practical data structure]uvalive 3027 corporative Network

Uvalive 3027 corporative NetworkTopic:corporative Network Time Limit: 3000MS Memory Limit: 30000K Total Submissions: 3450 Accepted: 1259 DescriptionA very BIG Corporation is developing its corporative network. In the beginning each of the N Enterprises of the corporation, numerated from 1 to N, organized its own computing and tele Communication

Typical and practical trigger navigation menu

Tip: you can modify some code before running Typical and practical trigger navigation menu TBODY tag About cells sets About tBodies sets Display attributes Specifies the row as the table body.Note: The TBODY element is a block element and the tag must b

Eclipse modifies the date time datetime format of the note, that is, the ${date} variable format

Eclipse modifies the date time datetime format of the note, that is, the ${date} variable formatLocate the plugins directory under the Eclipse installation directory, search for Org.eclipse.text, find a jar package,For example, the jar package I found is: Org.eclipse.text_3.5.300.v20130515-1451.jarThen open it and find this class: Org.eclipse.jface.text.templates.GlobalTemplateVariablesWe can rewrite this class. (Can be decompile, can also find source code, Source: http://git.eclipse.org/c/platf

Linux kernel compilation, configuring native drivers

, etc.), embedded platform, other special platforms, etc...Most scenarios can be used under the LSPCI command, and the LiveCD version of the Gentoo installation provides the tool, if no other system installs the toolDebian Series Installation1 $:sudoinstallor source code compiled and installed, https://www.kernel.org/pub/software/utils/pciutils/Then we get the existing driver information in the native environment, here is the information on my machine:1$:LSPCI-k2 xx:00.0Host Bridge:intel

How Ubuntu uses commands to adjust screen brightness "Ubantu series"

:"Lspci 00:00.0 Host bridge:intel Corporation Mobile pm965/gm965/gl960 Memory Controller Hub (rev.) 00:02.0 VGA Compati ble controller:intel Corporation Mobile gm965/gl960 Integrated Graphics Controller (rev.) 00:02.1 Display controller:i Ntel Corporation Mobile gm965/gl960 Integrated Graphics Controller (rev.) 00:1a.0 USB Controller:intel

Javah error when generating the. h file

Javah Error: Unable to access android.app.Activity, cannot find android.app.Activity class file " Run TestJni1" or "Debug TestJni1", "D:\WORKSPACE\TESTJNI1\BIN\CLASSES\COM\EXAMPLE\TESTJNI1" will produce a lot of *.class files, Do the following for the "Mainactivity.class", according to which the required head file will be generated. But actually it doesn't work. The following is the operation process ********************************************************Microsoft Windows [version 6.1.7601]Copy

Upgrade NIC driver under Ubuntu

Upgrade NIC driver under UbuntuWireless LAN environment, there is a notebook wireless often broken, and other terminals are good, but it does not. So think about checking and updating the driver of the wireless card to see. Here is the operation flow, record.Read Description: # #为标签,//For comments# #得到主板上的网卡的大概信息LSPCI |grep-i Network06:00.0 Ethernet Controller:realtek Semiconductor Co., Ltd. rtl-8139/8139c/8139c+ (Rev 10)06:06.0 network Controller:intel Corp

Linux screen Brightness adjustment command

My Fujitsu S7211 Laptop screen shows up in Ubuntu 10.04 as bright as in Vista, always thinking it is a drive problem. Later from the Foreigner's blog, found that the brightness can actually be adjusted.2 ways:1. Adjust the screen contrast parameter gamma value> Xgamma-gamma. 75If not ideal, try changing the. 75 to 0.5~1.0 to test. I use 1.0 after feeling and vista under brightness consistent.This command does not require administrator privileges.2. Adjust the backlight of the laptop screen PCI>

[LA] 3027-corporative Network [and collection]

A very BIG Corporation is developing its corporative network. In the beginning each of the N Enterprises of the corporation, numerated from 1 to N, organized its own computing and tele Communication Center. Soon, for Amelioration of the services, the corporation started to collect some enterprises in clusters, each of them serv Ed by a single computing and teleco

How to quickly start a MySQL test using Docker on a Mac _docker

sandbox).This inside shell uses a temporary container that is removed after it is run, so it does not break the Docker ps-a output. So now I want to be able to access the container using the standard MySQL command line or a new MySQL shell. Make it look clean, so I added some bash aliases: Alias Mysqlsh= ' Docker run-it--rm--net=test Mysql/shell ' alias mysql= ' Docker run-it--rm-e Ord=yes--net=test--entrypoint= "MySQL" mysql/mysql-server:5.7 ' After that, I can call them directly

The use of new features of Oracle9i-spfile

Oracle Oracle9i new features: the use of SPFile --how to backup and restore SPFile and controlfile using autobackup option Last Updated:wednesday, 2004-10-27 0:40 eygle This article is published in the Itpub Technology series "Oracle Database DBA Special Technology Essence", without permission, is prohibited reproduced this article. Original source: Http://www.eygle.com/faq/Oracle9i.New.Feature.Spfile.04.htm Six. Backup and recovery of SPFile As we mentioned at the beginning of this

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