to know when to truncate a file. Who should use Badger? Don’t use Badger if… You no Go! (C++, Java) You have a single-threaded sequential workload. You have a small, read-only workload. All your

mentor telling you what not to worry about • Perf events mixed mode can show stack traces of both Java and native system calls Continuous Delivery in Financial Training by David Genn (IG) @david_genn

state Data members ☐ Some shared or global state Note that void functions include main / Main in Java or C# ☐ C++’ main is int, but the implicit success return code makes it void-ish in many cases.. from real, existing code... ☐ I have C++-ified the examples, but it was originally a mix of C++, C#, Java and JavaScript code... ## The case of void() member functions // real-life code... class KeywordMgr name = name; } public String getName() { return name; } } Yes, it's Java code ## The case of the unwarranted virtuals What's wrong with this picture? class Person {

May require minimal space overhead • Read and write from different programming languages • C++, Java, Python, ... • Maybe programming errors could have serious consequences • May require random access I’ll concentrate on C++ “fiddly, unsafe” code can be left to a generator • We can also generate Java and Python • Interfaces must be “culturally appropriate” for each language ## Flats library and tools code ## • There is always a lot of “nagging details” • The parser and generators • object maps, Java, views • Initialization design issues • Guarantees, Defaults, std::initializer_list or tuples •

NO Java kind of NO A YES YES NO YES YES YES YES JS YES kind of YES YES YES YES Closures (λ) Everything is an object (uniform reference) Garbage Collection ++ YES NO NO Java A Performance. ISO/IEC PDTR 18015. 11 August 2003 PDF • Matthew Austern and Alexander Stepanov: jal (Java Algorithm Library), Silicon Graphics, Incorporated, 1996. Source (generic) version: .tar.gz unpacked

» talk. C# is a fine language for what it aims to do, and has many strengths. The same goes for Java, JavaScript, Python, C, Haskell... • It aims to remind us of some of those things that are beautiful better! } }; 92 ## Programming with a value-based language • In a reference-based language like C# or Java, the mindset is different • One gets indirect access by default for class instances • Objects are program ## The beauty of (free) functions • Consider the following C# program • The situation in Java is essentially the same using System; class SuperMaths { public static double Square(int n) =>

jpg) “Java” That’s right, I said it, at a C++ conference...  At least I didn't say “Rust”... ## Compiling Java Just in Time —1997 Avoiding unnecessary overhead is crucial for fast compilation. (read) ## Compiling Java Just in Time —1997 Avoiding unnecessary overhead is crucial for fast compilation. In many compilers constructing an intermediate representation (IR) of a method is a standard process. (read) ## Compiling Java Just in Time —1997 (read) Avoiding unnecessary overhead is crucial for fast compilation. In many

designing web applications. $ ^{[4]} $ Popular programming languages like JavaScript, Python, Ruby, PHP, Java, C#, and Swift have MVC frameworks that are used for web or mobile application development straight

use abstraction • And so we define programming languages in terms of abstract machines • C, C++, Java, Python, Perl, Awk, Algol, and many more... • What drives the design of the C++ abstract machine