First there is a plethora of HTML scraping libs in JVM all you need to do is pimp one of them (pimp my library pattern). The four I have used are: HtmlUnit – Will emulate the browser and even run Javascript Jericho – Preserves formatting and ideal if you want to edit the scraped HTML … Read more
It stands for Implementation. It’s a Java convention. Often in java (particularly J2EE) you will get an object from some factory, and then use it. That object’s type is often given to you as an interface, so that you don’t need to know the actual class, just its methods. An impl class is usually a … Read more
You should take a lazy approach to learning Java. Learn it when you need it. In my opinion, much of the old Java knowledge is out of date, much of the new tutorials are redundant. You certainly don’t want to bother yourself with Java’s antiquated Collections, for example. Many Java-based frameworks can be safely ignored. … Read more
Since Rust 1.0, 99% of all users will use Cargo to manage the dependencies of a project. The TL;DR of the documentation is: Create a project using cargo new Edit the generated Cargo.toml file to add dependencies: [dependencies] old-http = “0.1.0-pre” Access the crate in your code: Rust 2021 and 2018 use old_http::SomeType; Rust 2015 … Read more
Where to put libraries The best solution is to use your Linux distribution’s packaging system (apt-get, yum, or similar) to install libraries from distro-provided packages wherever possible. If the distro’s packaged libraries aren’t of a recent enough version, or if you need some nonstandard build options, or if you need a library that your distro … Read more
I’ll leave this as a community wiki – others people please feel free to add items or commentary in a reasonably concise manner. Fast arrays capable of handling millions of items: Repa, Vector. Fast and powerful maps: containers and unordered-containers. Fast, generic and convenient trees: Queues, hashtables: See the hashtables package for the latest and … Read more
This is a runtime error, not a build error. Setting the -L flag does nothing for the runtime linker. What you need to do is to tell the runtime loader to also look in /usr/local/lib for libraries. You can do that in two ways. The first is to add the path to the LD_LIBRARY_PATH environment … Read more
STL and Boost are musts. SQLite provides a completely embedded, full-featured relational database in a few 100k that you can include right into your project. It’s also a highly marketable skill because of its high presence (it’s included in Mozilla Firefox as well as Android and iOS). If you’re interested in creating user interfaces, look … Read more
Before you can do any C/C++ development work on a Mac, you need to go to the App Store and download Xcode for free – it is Apple’s IDE – Integrated Development Environment. Without Xcode, you will have no compiler (i.e. clang or gcc or g++) and no build tools, (i.e. make). Install Xcode If … Read more
in app/build.gradle file, add like this- dependencies { compile ‘joda-time:joda-time:2.9.4′ } You don’t need to do anything else. You need the latest release, check out the release page https://github.com/JodaOrg/joda-time/releases and change the version accordingly.