Observer pattern

Lecture "Software engineering - Lecture 15: Design patterns 1" has contents: Software Design Patterns - What and why, example pattern publisher - Subscriber (a.k.a.Observer). Invite you to consult.

29p bautroibinhyen13 10-01-2017 44 3   Download

Bài giảng "Các mẫu thiết kế che dấu hành vi, thuật giải trong đối tượng" cung cấp cho người học các kiến thức: Tổng quát về nhóm mẫu “Behavioral patterns”, mẫu chain of responsibility, mẫu template method, mẫu strategy, mẫu state, mẫu command, mẫu observer.

22p tieu_vu06 02-06-2018 39 3   Download

Bài giảng cung cấp cho người học các kiến thức: Tổng quát về nhóm mẫu “Behavioral Patterns”, mẫu Chain of Responsibility, mẫu Template Method, mẫu Strategy, mẫu State, mẫu Command, mẫu Observer. Mời các bạn cùng tham khảo nội dung chi tiết.

22p tieu_vu06 09-06-2018 50 4   Download

Bài giảng "Các mẫu thiết kế che dấu hành vi, thuật giải trong đối tượng (Behavioral Patterns)" cung cấp cho người học các kiến thức: Tổng quát về nhóm mẫu “Behavioral Patterns”, mẫu Chain of Responsibility, mẫu Template Method, mẫu Strategy, mẫu State, mẫu Command, mẫu Observer. Mời các bạn cùng tham khảo.

43p tieu_vu06 09-06-2018 61 4   Download

Bài giảng Phát triển phần mềm mã nguồn mở: MVC cung cấp cho người học các kiến thức: MVC là gì, tổng quan về MVC, quan niệm, observer pattern. Mời các bạn cùng tham khảo nội dung chi tiết.

49p nanhankhuoctai10 23-07-2020 46 3   Download

The project's main objectives were to analyse the data obtained during geological exploration and use it to model and predict biological patterns in order to answer the main research questions: 1) Is there a statistical relationship between the environmental parameters and the benthic community composition and morphospecies observed? 2) Can predictive models be developed from this relationship? In achieving these main objectives, the project also developed recommendations for methods that could be applied during geological exploration voyages to maximise the potential use of data collected.

206p runthenight04 02-02-2023 6 2   Download

Bài giảng Phát triển phần mềm mã nguồn mở: MVC cung cấp cho người học các kiến thức: MVC là gì, tổng quan về MVC, quan niệm, observer pattern. Mời các bạn cùng tham khảo nội dung chi tiết.

12p nanhankhuoctai10 23-07-2020 61 4   Download

Assessment of genotype diversity was studied using released and in pipeline genotypes of wheat, of these 22 were released and 14 were in pipeline . Genetic diversity among 36 wheat genotypes was studied using Random amplified polymorphic DNA (RAPD) analysis. 21 RAPD primers (RPI primers) were used for screening 36 wheat genotypes from which 2,868 fragments were amplified. It was observed that 63.3% bands were polymorphic and 36.4% were monomorphic. The percent of polymorphic bands in banding pattern was calculated and it was highest in RPI-22 (81.3%) while lowest was recorded in RPI-2 (33.

8p chauchaungayxua6 26-06-2020 17 3   Download

Patterns Model – View – Controller defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically. Design Patterns Model – View – Controller provides about history, observer pattern, observer class diagram, transactions happen, observer rocks, architecture diagram, advantages, problems.

9p ngkhacvu 22-05-2015 106 19   Download

The transcription patterns of 64 linear double stranded DNA templates obtained with T7 RNA polymerase were investigated. These templates consisted of 17 nucleotide-long sequences under the control of the minimal bac-teriophage T7 promoter and represented all possible combinations of nucleotides at positions +8, +10 and +11.

8p tumor12 20-04-2013 34 5   Download

Two thioredoxin h isoforms, HvTrxh1 and HvTrxh2, were identified in two and one spots, respectively, in a proteome analysis of barley (Hordeum vulgare) seeds based on 2D gel electrophoresis and MS. HvTrxh1 was observed in 2D gel patterns of endosperm, aleurone layer and embryo of mature barley seeds, andHvTrxh2was presentmainly in the embryo. During germination, HvTrxh2 decreased in abun-dance and HvTrxh1 decreased in the aleurone layer and endospermbut remainedat high levels in the embryo.

11p fptmusic 16-04-2013 43 2   Download

THE RELATIONSHIP BETWEEN LEADER/FOLLOWER CONGRUENCE AND FOLLOWER COMMITMENT There are three plausible explanations for the pattern of findings presented here. First, it may be that school and district policies are not responsible for a large share of the extant across-school variation in student performance. We would not then expect to observe effectiveness sorting, regardless of its extent, in the distribution of student SAT scores. Second, the number of school districts may not capture variation in parents’ ability to exercise Tiebout choice....

190p mualan_mualan 25-02-2013 76 9   Download

THE USE OF RELATIONSHIP MARKETING TECHNIQUES IN HIGHER EDUCATION: A CASE STUDY Finally, it may be that the sorts of policies that I call “school effectiveness,” those not dependent on the peer group, are relatively unimportant determinants of student outcomes (or that they do not vary substantially across schools), and thus that effectiveness sorting and differences in average effectiveness across markets are not observable in the pattern of average SAT scores.

155p mualan_mualan 25-02-2013 75 9   Download

COMPETITIVE PRICES Finally, it may be that the sorts of policies that I call “school effectiveness,” those not dependent on the peer group, are relatively unimportant determinants of student outcomes (or that they do not vary substantially across schools), and thus that effectiveness sorting and differences in average effectiveness across markets are not observable in the pattern of average SAT scores.

80p mualan_mualan 25-02-2013 82 8   Download

Monetary Policy , the Banking System, and Short -term Money Instrusments Measuring market concentration I define local housing markets as Metropolitan Statistical Areas (MSAs), Census Bureau approximations of local housing markets defined by observed commuting patterns.35 The SAT data that I use to measure student outcomes are taken from the early 1990s. Consequently, I use 1990 MSA definitions and draw demographic characteristics of each MSA from the 1990 Census.

118p mualan_mualan 25-02-2013 64 10   Download

Provenance • Place where seed was collected • Refers to natural forests, not plantations • Provenance boundaries not always well defined • Provenances may have different genetic adaptation. Subdivision of a species, with genetically similar individuals. • Sometimes synonymous with provenance. • Races separated using observed differences. • For example, wood basic density, bark thickness, and flowering patterns have been used to define E. globulusraces

30p tam_xuan 02-03-2012 38 5   Download

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Wertheim cung cấp cho các bạn kiến thức về ngành y đề tài: E-Predict: a computational strategy for species identification based on observed DNA microarray hybridization patterns...

14p thulanh19 09-11-2011 62 2   Download