... This consideration doesn't apply to web applications, as the webcontainer provides a middle tier ❑ The ability to deploy any application component on any physical server In some applications,this ... implications of using EJB, and importantconsiderations influencing the decision of whether to use EJB Implications of Using EJB One of the key goals of the EJB specification is to simplify application ... descriptors Application code only needs to concern itself with transaction management if itwants to roll back a transaction The actual rollback can be done with a single method call.CMT is one of the major
Ngày tải lên: 13/08/2014, 12:21
... Projects: Choices and RisksVersion Control It’s vital to have a good version control tool; along with a good build tool such as Ant, a version control tem is the cornerstone of every successful release-management ... as connection pools Furthermore, the container controls access to their functionality, and the behavior added by container interception (such as transaction management and security restrictions) ... SpendingLimitViolation; We need multiple test cases here: one for valid orders, one for orders by non-existent customers to check that the correct exception is thrown, and one for an order of
Ngày tải lên: 13/08/2014, 12:21
Expert one-on-one J2EE Design and Development phần 3 docx
... to post out tickets o Occasionally, cancel reservations on phone request These users are primarily concerned with service reliability and usability They receive a constant flow of enquiries from ... a broadband Internet connection Box office users perform the following activities: o Respond to phone and over-the-counter enquiries by members of the public, principally on the availability of ... configuration Reservation protects these seats from being shown as available to other users Confirmation occurs when the user provides a valid credit card number, at which point a reservation
Ngày tải lên: 13/08/2014, 12:21
Expert one-on-one J2EE Design and Development phần 5 doc
... unidirectional (navigable in one direction only) or bidirectional (navigable in both directions) Like CMP fields, CMRs are expressed in the bean's local interface by abstract methods In a one-to-one ... a transaction context to fail with a javax.transaction.TransactionRequiredException Transaction contexts should be supplied by session beans. 291 Trang 15CMP Versus BMPThe EJB container handles ... requires only read-only beans (not proprietary invalidation support) to work It invalidates read-only beans by relying on the container's obligation to discard a bean instance if a non-application
Ngày tải lên: 13/08/2014, 12:21
Expert one-on-one J2EE Design and Development phần 6 pptx
... connection from the connection it is given by its datasource In most application servers, datasources will return wrapped connections rather than an RDBMS vendor-specific connection (Connection ... common use of J2EE. Session Synchronization Stateful session beans have one unique property: a stateful session bean can implement the javax.ejb.Sessionsynchronization interface to receive callbacks ... Session synchronization raises serious design concerns If the stateful session bean doesn't control its own transactions, who does? Stateless session beans don't normally call stateful session
Ngày tải lên: 13/08/2014, 12:21
Expert one-on-one J2EE Design and Development phần 7 ppt
... benefits Each component type has a clear responsibility Models contain no view-specific code Views contain no control code or data-access code and concentrate on displaying data Controllers create ... application context XML definition file illustrate how the application components we've discussed are wired up as JavaBeans The following two bean definitions define a Calendar implementation that ... regression testing when we change presentation 451 Trang 32Control FlowTo illustrate these concepts in action, let's consider a possible flow of control in a simple MVC implementation (Real
Ngày tải lên: 13/08/2014, 12:21
Expert one-on-one J2EE Design and Development phần 8 ppsx
... applications We've seen the importance of decoupling controller components (which handle control flow in the web tier) from model components (which contain the data to display) and view components ... correct type The second action is the most commonly required and requires the most support from a web application framework The discussion in this section concentrates on the submission of a single ... information consisted of three string values (none longer than 100 characters) and three Boolean values This approach delivered business value because the application needed to run on several geographically
Ngày tải lên: 13/08/2014, 12:21
Expert one-on-one J2EE Design and Development phần 9 potx
... private static final Font HEADLINE_FONT = new Font (Font TIMES_NEW_ROMAN, 15, Font.BOLD, Color.red); private static final Font HEADING_FONT = new Font(Font.HELVETICA, 13, Font.ITALIC, Color.black); ... Color.black); private static final Font TEXT_FONT = new Font(Font.HELVETICA, 11, Font.BOLD, Color.black); private static final Font WARNING_FONT = new Font(Font.HELVETICA, 12, Font.BOLD, Color.black); 572 ... controller rnethod could conclude with an assertion that the necessary model keys were non-null): Reservation reservation = (Reservation) model.get(TicketControiler.RESERVATION_KEY); Performance performance
Ngày tải lên: 13/08/2014, 12:21
Expert one-on-one J2EE Design and Development phần 10 potx
... with synchronization, the effect of synchronization on throughput will ultimately depend on how long it takes to execute the synchronized operations As hash table get and put operations take very ... between remote JVMs, one of the reasons for the restrictions on the use of static data in the EJB specification An important optimization of the default serialization implementation concerns multiple ... back-end components One solution is for the EJB tier to control validation logic, and move validation code to the web tier in a serializable object implementing an agreed validation interface
Ngày tải lên: 13/08/2014, 12:21
STUDY TO DESIGN AND MANUFACTURE A DUAL-FUEL BIOGAS/DIESEL ENGINE BASED ON ONE CYLINDER STATIONARY ENGINE
... GAS COMBUSTION 3.1.1 Theory of non-premixed combustion 3.1.2 Theory of premixed combustion 3.1.3 Theory of partially premixed combustion 3.2 COMBUSTION SIMULATION AND CALCULATION 3.2.1 Set ... high - Socio-economic efficiency is not high because of the manual conversion, producing on every single engine and time-consuming 1.4.3 Engine suitable for study If the conversion of diesel engines ... injection b Control biogas throttle position manually c Automatic engine speed control When the dual-fuel biogas/diesel engine run on dual-fuel mode with the limitation of pilot injection and
Ngày tải lên: 07/05/2015, 20:55
SEVERAL THESES ON THE SUBJECT OF INTERCULTURAL THEATRE SUPPLEMENTED BY SEVERAL KEY EXAMPLES THAT INCLUDE STATIONARY WRITERS, TRANSLATIONS, TRAVELLERS ON FOOT, HORSES, OR VESSELS, AND SEARCH ENGINES
... 4 One-One, One-Many, Many-Many Relations Part 1……… 89 5 One-One, One-Many, Many-Many Relations Part 2……… 105 6 Kingdoms of Desire……… 110 7 Of Conclusions and Connections……… 134 8 Bibliography……… ... to function as one One example will be the mediation of several books, authors, theories and essays to identify the field of the discourse Such an identification, or providing the context of ... elaborate on what these roles are in different histories and contexts Trang 10broad-case on what is a very broad concern Besides, a practitioner of theatre will deny this indifference, especially one
Ngày tải lên: 16/10/2015, 15:38
Carrying Umbrellas: An Online Relocation Game on a Graph
... to carry umbrellas only in x phases in case of (1), depending on the change of Φ The remaining proof is same as that of Theorem 1 (Only one difference is that we concentrate on stable Φ Before ... at least one umbrella; As an initialization, we assume that the player first determines the initial con-figuration of u(G) umbrellas and later the adversary chooses the initial position s ∈ V ... and k connected components, u ∗ (G) = M + k Throughout this paper, we assume G is connected and simple. Trang 41.3 Related worksEvery online problem can be viewed as a game between an online
Ngày tải lên: 16/06/2016, 01:34
LECTURE NOTE ON LINE GRAPH+ SPEAKING SECTION 1
... OMEGA 3 Sign-post - By contrast/ On the contrary ( doi lap) - In the same way/ Likewise ( tuong tu) - However/ By comparison ( khac nhau) millions 60 percent percentage ( khong co so o truoc) ( ... decline from around 1 billion to about 680 million for the first thirty years, the figure reached a peak of approximately 1.1 billion in 2004/05 By comparison, in London Underground, the figure ... addition, it is the cheapest, quickest and the most effective to obtain information Meanwhile, you have to pay a great amount of money for newspapers and books Nevertheless, information on the
Ngày tải lên: 25/08/2018, 09:58
The web was done by amateurs a reflection on one of the largest collective systems ever engineered
... Trang 1The WebWas Done by Amateurs A Reflection on One of the Largest Collective Systems Ever Engineered Marco Aiello Trang 3The Web Was Doneby Amateurs A Reflection on One of the Largest Collective ... priority only once, and it is in the context of a bon ton rule rather than one of prevarication: “it appears better to treat incomingpackets with higher priority than outgoing packets.”2 Why would one ... occasion to thank the prominent ones and apologize if Ihave unintentionally forgotten anyone First and foremost, I thank Alan Kayfor being who he is and for his contributions to our field Second,
Ngày tải lên: 04/03/2019, 13:20
the secrets behind great one on one meetings
... transform one-on-one meetingsfrom an irritating waste of time to a valuable “special time” for both the worker and manager What’s a One-On-One? As described in this document, a “one-on-one” is ... performance review While one-on-one meetings often touch on career issues, the focus is on the future rather than pastperformance In fact, when one-on-one meetings are done well, they ensure that ... review Don’t be embarrassed Plenty of people start out with these misconceptions Why One-on-Ones Are Important The overall purpose of a one-on-one meeting is to enable genuine communication between
Ngày tải lên: 04/03/2019, 16:14
A STUDY ON ONE TECHNIQUE TO IMPROVE CONVERSATIONAL SKILL FOR OPERATIONAL STAFF AT SOMERSET GRAND HANOI
... conversational skills for SGH operational staff; Conduct a preliminary investigation to gather information on how trainers use the technique of practical situations for improving conversational ... collection such as questionnaire, interview and observation Two questionnaires seeking information on the teaching and learning of conversational skills were conducted to the sample of operational ... language-oriented systems where responses depend on one person's interpretation of another person's behavior, and where meanings are agreed through conversations But since meanings are agreed,...
Ngày tải lên: 07/09/2013, 13:02
Adobe photoshop CS5 one on one
... downloaded versions of the videos offline; available at www.apple.com/quicktime) How One -on- One Works xv One -on- One Installation and Setup Adobe Photoshop CS5 One -on- One is designed to function as an ... Press, the Deke Press logo, the One -on- One logo, the One -on- One series designations, Adobe Photoshop CS5 One -on- One, and related trade dress are trademarks of Type & Graphics, Inc The O’Reilly logo ... Photoshop CS5 One -on- One is the next generation of how to learn Photoshop!” —Kevin Ames photographer, author of Adobe Photoshop: The Art of Photographing Women “Adobe Photoshop CS5 One -on- One provides...
Ngày tải lên: 14/10/2013, 08:49
Compaction of disordered grains in the jamming limit - sand on random graphs
... of a typical blocked configuration This is quite an extraordinary result; it implies that despite the exponential dominance of blocked configurations, random initial conditions preferentially select ... plaquettes connected to a site is distributed with a Poisson distribution of average c – this models the locally varying connectivities between grains on a disordered substrate The connection with ... in different configurations of the spins as the volume occupied by grains in different local orientations, in Eq 6.1 This Hamiltonian has been studied on a random graph in various contexts [181,...
Ngày tải lên: 01/11/2013, 08:20
Tài liệu Data Structures on Event Graphs ppt
... is a directed graph, it can be decomposed into strongly connected components that induce a directed acyclic graph D We call a strongly connected component of dec(G) a sink component (also called ... nodes in C immediately implies that the decorated graph can have only one sink component Corollary 2.1 The component C is the only sink component of dec(G) Proof Let (v, X) be a node in dec(G) ... decorated graphs We show that the decorated graph dec(G) has a unique strongly connected component that corresponds to the limiting phase of a walk on the event graph G, and we give characterizations...
Ngày tải lên: 19/02/2014, 18:20
A PRACTICAL HANDBOOK ON ACCESSIBLE GRAPHIC DESIGN doc
... following pages, we hope to bring focus to the conversation on accessibility among print, web and environmental graphic designers But this is only one step in a multi-year, multi-faceted process ... prActicAl hAndbook on Accessible grAphic design Design Firm context creative Design Team lionel gadoury r.g.d terry popik Client ontario Ministry of environment SECTION c environmental design “ ... accepted on the condition that it is reproduced with the knowledge and prior consent of the actual owner of the image; consequently no responsibility is accepted by The Association of Registered Graphic...
Ngày tải lên: 08/03/2014, 11:20