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How to install multiple versions of sbt on my Linux host?
How to install multiple versions of sbt on my Linux host For example, some projects use 0.12.x while some use 0.13.x. Installing neither in the system only is not sufficient enough. You may use the excellent sbt-extras: https://github.com/paulp/sbt-extras Most of the time, it detects the version of sbt needed in the project direoctory automatically: [zma@office…
How to set and get an environment variable in C on Linux?
How to set and get an environment variable in C on Linux? You can use the setenv and getenv POSIX APIs to set and get environment variables. To add or change environment variable: #include <stdlib.h> int setenv(const char *envname, const char *envval, int overwrite); To get value of an environment variable: #include <stdlib.h> char *getenv(const…
Reading List for Distributed Systems and Cloud Computing
Understanding the literature is usually the first step to do research, which is the same for systems research on cloud computing. A reading list may help a lot to those that just start in cloud computing research. Prof. Lin Gu, my PhD supervisor, compiled a reading list for system research on cloud computing. The reading…
Patching with git
Tutorials on how to create patches and apply patches with git. A nice tutorial: https://ariejan.net/2009/10/26/how-to-create-and-apply-a-patch-with-git/ Manuals: git format-patch: https://www.systutorials.com/docs/linux/man/1-git-format-patch/git apply: https://www.systutorials.com/docs/linux/man/1-git-apply/ Read more: How to create a git branch on remote git server How to do diff like `git diff –word-diff` without git on Linux? Cheatsheet: Git Branching with a Git Server What about the…
How to convert flv to mp4 with ffmpeg?
How to convert a video file in format as flv to mp4 with ffmpeg? You may use method from here: https://www.systutorials.com/3540/converting-video-files-for-ipod-iphone-ipad/ ffmpeg -i input.flv output.mp4 Or by specifying more details about how to handling the codecs: ffmpeg -i input.flv -vcodec copy -acodec copy output.mp4 You may also add more options as you like. For more,…
Why is this site called Fclose? – SysTutorials QA
Why is this site called Fclose? Actually, no special meaning at all. “fclose” is just a familiar function for ones that are familiar with computers. Read more: Why setting up Fclose Questions? What does the /b/ mean in the URL of Fclose.com – SysTutorials QA Why does ; after & lead to unexpected token error…