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
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
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
~ 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
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
.
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
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
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
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
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
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
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
);//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
, 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
, 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
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
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
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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