FILE I/O: PAST, PRESENT AND FUTURE CPPCON OCTOBER 3RD 2023 GUY DAVIDSON @HATCAT01INTRODUCTIONS • Head of Engineering Practice at Creative Assembly • 1980 – Acorn Atom • ISO/IEC JTC1/SC22/WG21 • BSI RAM, MORE DISK CAPACITY • Formatted i/o – scanf printf • Direct i/o – fread fwrite • File positioning – ftell fgetpos fseek fsetpos rewind • Unformatted i/o – fgetc/fgets fputc/fputs getchar putchar interface Secondary interfaceTHE 64-BIT ADDRESS SPACE • https://wg21.link/p1040 • “I’m very keen on std::embed. I’ve been hand-embedding data in executables for NEARLY FORTY YEARS now. — Guy "Hatcat"

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N i m T u t o r i a l ( P a r t I ) 0 . 1 7 . 1 Andr e a s R umpf Aug us t 1 9 , 2 0 1 7 C o nt e nt s 1 I n t r od u c t i on 2 2 Th e fi r s t p r ogr am 2 3 L e x i c al e l e m e n t s 2 3. 1 1 S t r i n g an d c h ar ac t e r l i t e r al s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3. 2 C om m e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ar s t at e m e n t 3 5 Th e as s i gn m e n t s t at e m e n t 3 6 C on s t an t s 4 7 Th e l e t s t at e m e n t 4 8 C on t r ol fl ow s t at e m e n t s 4 8. 1 I f s t at e m e n t . . . . . . .

supplied with a mock test key to let you verify the final score and grade yourself. ANGULAR 2 MOCK TEST I Q 1 - Which of the following is correct about Angular 2 Components? A - AngularJS had a focus of Controllers

Google Java Style Guide Google Java Style Guide 1 Introduction This document serves as the complete definition of Google’s coding standards for source code in the Java™ Programming Language. A Java source case-sensitive name of the top-level class it contains (of which there is exactly one), plus the .java extension. 2.2 File encoding: UTF-8 Source files are encoded in UTF-8. 2.3 Special characters ) 4.3 One statement per line Each statement is followed by a line break. 4.4 Column limit: 100 Java code has a column limit of 100 characters. Except as noted below, any line that would exceed this

Java EE Product Provider Tool Provider Application Component Provider Application Assembler Deployer and System Administrator Sun GlassFish, Oracle BEA WebLogic, IBM WebSphere, JBOSS, Apache files in the Java EE Server. ︎ According to environment, modify and deploy configuration files, then manage Java EE system. ︎ Varify the conformance from structure of EAR files to Java EE standards standards. Component, JAR, WAR ——�A Java EE EAR �� ����������� ����� �� ������Applet��� Web���EJB

dataflow with sources S1, S2, … Sn and rates λ1, λ2, … λn identify the minimum parallelism πi per operator i, such that the physical dataflow can sustain all source rates. S1 S2 λ1 λ2 S1 S2 π=2 serialization send message waiting waiting 13 ??? Vasiliki Kalavri | Boston University 2020 14 o1 src o2 back-pressure target: 40 rec/s 10 rec/s 100 rec/s Which operator is the bottleneck? What if Boston University 2020 14 o1 src o2 back-pressure target: 40 rec/s 10 rec/s 100 rec/s Which operator is the bottleneck? What if we scale ο1 x 4? How much to scale ο2? o1 cannot keep up waiting for

14 7.1.3 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 i 7.1.4 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.2 JDBC Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 9.1.2 Java API . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Overview . itself. 1.1.1 ShardingSphere-JDBC ShardingSphere‐JDBC is a lightweight Java framework that provides additional services at Java’s JDBC layer. 1.1.2 ShardingSphere-Proxy ShardingSphere‐Proxy is a transparent

2 ShardingSphere‐Proxy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 i 2.2.1 Scenarios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2 JDBC Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 4.1.2 Java API . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Overview . database itself. ShardingSphere-JDBC ShardingSphere‐JDBC is a lightweight Java framework that provides additional services at Java’s JDBC layer. ShardingSphere-Proxy ShardingSphere‐Proxy is a transparent