CS 320 : Functional Programming in Ocaml (based on slides from David Walker, Princeton, Lukasz Ziarek, Buffalo and myself.) Marco Gaboardi MSC 116 gaboardi@bu.edu What is a Functional Language A functional language: • defines programs in a way similar to the one we useto define mathematical functions, • avoids the use of mutable states (states […]
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Using Zoom for Lectures • Please mute both: • yourvideocamerasfortheentirelecture • youraudio/micsunlessaskingoransweringaquestion • Recommended Zoom configuration: • notfullscreen(double-clickanywheretoexitfullscreen) • side-by-side mode (see View options near the top of Zoom) • Asking/answering a question, option 1: • clickonParticipants • usethehandicontoraiseyourhand • Iwillcallonyouandaskyoutounmuteyourself • Asking/answering a question, option 2: • clickonChat • typeyourquestion,andIwillanswerit CS 320 : Operational
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CS 320 : Functional Programming in Ocaml (based on slides from David Walker, Princeton, Lukasz Ziarek, Buffalo and myself.) Marco Gaboardi MSC 116 gaboardi@bu.edu Announcements Homework Assignment #1 is due Tuesday, February 11 (Today!), no later than 11:59 pm. Homework Assignment #2 is posted Tuesday, February 11 (Today!), and due Friday, February 21.
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CS 320: Principles of Programming Languages Introduction, Class Structure, Logistics, and Objectives ‘- Marco Gaboardi (Fall 2019) and Assaf Kfoury (Spring 2020) What is your favorite language? ‘- Why is it your favorite? • Easy to program? • Good debugging environment? • Large amount of standard libraries? • Syntax? • Language you know the most?
CS 320 : Functional Programming in Ocaml (based on slides from David Walker, Princeton, Lukasz Ziarek, Buffalo and myself.) Marco Gaboardi MSC 116 gaboardi@bu.edu In the previous classes… What is a Functional Language A functional language: • defines programs in a way similar to the one we useto define mathematical functions, • avoids the use
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Using Zoom for Lectures • Please mute both: • yourvideocamerasfortheentirelecture • youraudio/micsunlessaskingoransweringaquestion • Recommended Zoom configuration: • notfullscreen(double-clickanywheretoexitfullscreen) • side-by-side mode (see View options near the top of Zoom) • Asking/answering a question, option 1: • clickonParticipants • usethehandicontoraiseyourhand • Iwillcallonyouandaskyoutounmuteyourself • Asking/answering a question, option 2: • clickonChat • typeyourquestion,andIwillanswerit CS 320 : Scope
CS 320 : Functional Programming in Ocaml (based on slides from David Walker, Princeton, Lukasz Ziarek, Buffalo and myself.) Marco Gaboardi MSC 116 gaboardi@bu.edu Announcements • We are setting up GradeScope this week … and before the deadline of the first programming assignment. • First programming assignment is due Friday, February 7, no later than
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Monitors CS511 1/47 Review We’ve seen that semaphores are an efficient tool to solve synchronization problems However, they have some drawbacks 1. They are low-level constructs It is easy to forget an acquire or release 2. They are not related to the data They can appear in any part of the
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CS157A: Introduction to Database Management Systems Chapter 12: XQuery Suneuy Kim 1 XQuery • A standard for high-level querying of databases containing data in XML form. • Uses the same data model for XPath. That is, all values produced by XQuery are sequence of items. 2 XQuery: Sequences • Sequences are created using parenthesis with
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CS157A: Introduction to Database Management Systems JDBC (Java DataBase Connectivity) Suneuy Kim 1 JDBC • http://docs.oracle.com/javase/8/docs/technot es/guides/jdbc/ • JDBC API : The industry standard for database- independent connectivity between Java and a SQL database – Establish a connection with a database or access any tabular data source – Send SQL statements – Process the results