open source batch scheduler

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Dicom:dicom Open Source Library multithreading analysis "Threadpoolqueue in fo-dicom"

Background:The previous post introduced the Leader/follower thread pool model used in Dcm4chee, the main purpose of which is to save context switching and improve operational efficiency. This blog is the "Dicom Open Source Library multithreaded Analysis" series, highlighting the threadpoolqueue thread pool used in fo-dicom.Threadpoolqueue in fo-dicom:Let's take a look at the custom data structure in the Thr

Task Scheduling open-source framework Quartz dynamically add, modify, and delete scheduled tasks

Task Scheduling open-source framework Quartz dynamically add, modify, and delete scheduled tasks Quartz is an open-source job scheduling framework that provides a simple but powerful mechanism for Job Scheduling in Java applications. The Quartz framework includes the scheduler

Java open-source jar packages

Java open-source jar packages Turn: http://blog.csdn.net/kevingao/article/details/8125683 Activation ~ Jar packages related to javaMail should be added to lib together with mail. jar (mail. jar and activation. jar) When javaMail is used. The jar package is responsible for the data source and type of mail. ApacheActiveMQ ~ Apache is the most popular

Common J2EE jar and open-source projects

~ Is a brand new way to access remote JMX mbeans, unlike the JSR-160 connector, it uses HTTP-based JSON format as the communication protocol, provide JMX batch operations and so on. JPA-API ~ Java persistence API. Not much to mention ~ Jstl ~ Use the jstl label implementation package. JS ~ Used to execute Javascript in Java? JSR ~ JSR is the abbreviation of Java specification requests, which indicates a java standard request. Is a formal request

Open Source Development Mode

China, open-source has attracted more and more attention and has begun to appear in the first batch of open-source-based companies, such as red-flag Linux, turbolinux, and Shenzhen pocketix. However, it can be said that the development of opensource in China is still in its

Common JAR and open-source projects

. Jolokia ~ Is a brand new way to access remote JMX MBeans, unlike the JSR-160 connector, it uses HTTP-based JSON format as the communication protocol, provide JMX batch operations and so on. Jpa-api ~ Java Persistence API. Not much to mention ~ Jstl ~ Use the jstl label implementation package. JS ~ Used to execute javascript in JAVA? Jsr ~ JSR is the abbreviation of Java Specification Requests, which indicates a Java standard request. Is a forma

Slickflow.net Open Source Workflow Engine Basics Introduction (eight)--automatic task scheduling implementation

automatically generates HANGFIREDB, or you can build the database manually.2. Process Designer supports cron expression editingCron expression Edit Open source project address:Https://github.com/LGX9/cron-expression-editor3. Task Scheduler Module (slickflow.schedule)3.1 Process Overdue automatic completion1) Database fieldsThe Process instance table wfprocessins

Understanding and understanding of Python open-source crawler Framework Scrapy

The functionality of the scrapy. Third, data processing flowScrapy 's entire data processing process is controlled by the scrapy engine, which operates mainly in the following ways:The engine opens a domain name, when the spider handles the domain name and lets the spider get the first crawl URL. The engine gets the first URL to crawl from the spider , and then dispatches it as a request in the schedule. The engine gets the page that crawls next from the dispatch.The schedule returns the next

Varnish is a high-performance, open-source HTTP accelerator

client's request is cached, add an HTTP header parameter that explicitly tells the user that the requested resource is loaded from the cacheif (obj.hits>0) {Set Resp.http.x-cache ="hits from" + Server.hostname;}else{Set Resp.http.x-cache ="MISS from" + server.hostname;}} (v) varnish工具介绍 (for the cache server, modify the configuration, must not restart, restart will clear all the memory) varnishadm # Get HelpVarnishadm-h# Login to varnishadm command-line interfaceVar

. NET Platform Open Source project Quick glance (15) Document database ravendb-Introduction and initial Experience

Unconsciously, ". NET Platform Open source project Quick Glance "series has 15 articles, each is very popular, may not be a high level of technology, but enough to get started. Although the work is very busy, but still will take the time to know, already met in the usual good open source projects to share. Let's introd

Open source Pure C # Industrial Gateway + configuration software (four) communication principle of the upper and lower machine

First, Gateway features: ConnectingRecently a little busy, the update is slow. Thanks to the support of the park friends, there are now on GitHub . The goal is the best open source configuration, it seems a step closer ^ ^Previously mentioned is the gateway is the key link of the Internet of things, it is the role of connecting .The lower machine has the language of the lower machine, the upper computer has

6 major open Source SQL engine Summary, who is far ahead?

announced plans to develop and support the project. Based on the announced three-phase plan, Teredata proposes to integrate Presto into the Hadoop ecosystem, to operate in yarn, and to enhance connectivity through ODBC and JDBC. Teredata offers its own Presto release, with a data sheet attached. In June 2016, Teradata announced the results of information Builders, Looker, Qlik, Tableau and Zoomdata, as well as ongoing microstrategy and Microsoft Power BI.Presto is a very active project that has

Open source Job scheduling framework-quartz.net-Practical use 2

);//you first need to find the Iset collection of Jobkey based on the group name. groupmatcher. Groupequals (groupName);//Note: This is not the isetquartz.collection.isetScheduler. Getjobkeys (matcher);//using enumeration objects to loop through lookupsvarEn =keys. GetEnumerator (); while(en. MoveNext ()) {stringrowID = en. Current.Name.Replace ("Reporttime",""); if(dt. Select ("id= '"+ rowID +"'"). Length = =0) {Loghelper.addlog ("Timing Module","detects that the schedule configuration informat

Android Open Source Project learning

, select a contact on the contact list, open the browser, battery replacement to provide tips, etc., detailed list see: Available intents and intent Class) However, any program can freely define additional intents and content-providers. We can easily associate the process of independent development (such as in this game) with very few possibilities to work well with the newly defined intents and interfaces. Our goal in this project is to collect ideas

[Open source] No SQL Tour-chloe.orm of the changes and additions

, originally did not want to write in, think, write, make up a word.ConclusionChloe.orm main convenient, efficient, whether it is Idbcontext or iqueryFaith in the spirit of open source sharing, promote domestic open source business development, Chloe.orm fully open

"Open source Java Game Framework Libgdx theme" -08-Chinese display and drawing

for You", 200, 160);//Drawing Fonts +Font.draw (Batch, "I'm big, you're big", 200, 360);//draw fonts, wrap with escape characters A batch.end (); the } + - @Override $ Public voidpause () { $ //TODO auto-generated Method Stub - - } the - @OverrideWuyi Public voidResume () { the //TODO auto-generated Method Stub - Wu } - About @Override $ Public voidDispose () { - //TODO auto-generated Method Stu

HubbleDotNet open-source full-text search database project-automatic synchronization with existing tables

changes to the existing database table structure, and do not need to write a lot of code. Automatic synchronization with existing table data is an important part of this solution. This document describes how to configure full-text indexes and synchronize data from existing data tables. Applicable version: HubbleDotNet 0.9.6.0 Home: http://www.hubbledotnet.com/ : Http://hubbledotnet.codeplex.com/ Applicability: This article applies to two modes of passive mode index Append Only and Updatable Fun

Java Open Source Workflow

Openebxml clicks 7801 Werkflow clicks 11181 Osworkflow clicks 14988 Wfmopen clicks 7997 OFBiz clicks 12342 ObjectWeb Bonita clicks 8808 Bigbross Bossa clicks 8502 XFlow clicks 7898 Taverna clicks 7222 Enhydra Shark clicks 9526 Powerfolder clicks 7866 Open Business Engine Clicks 8051 Openwfe clicks 8329 Freefluo clicks 7382 Twiste clicks 7557 Concern clicks 7448 Jflower clicks 7666 Jfolder clicks 7382 JAWE clicks 1

Recommended for many open-source Android Projects

replacement components. Google defines a batch of intents (for example, call, select a contact on the contact list, open the browser, and provide a prompt when the battery is changed. For details, refer: available intents and intent class) but any program can freely define additional intents and content-providers. We can easily think of independently developed programs (such as in this competition), and ve

VC + +, MFC's best open Source project

Introduction: Introduce the best open source project written with Vc++/mfc. SourceForge.net There are many high-quality VC + + Open source projects, I listed some can be used as VC + + programmer reference.Body:VC + +, the best open sour

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