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Controlling Display of WordPress Widget with PHP Code
ByEric MaI am always wondering how to display different Widgets in WordPress depending on the page/post/category etc. I ever tried some plugins that is for specific purpose. However, they are not flexible enough for all my needs. For example, I want a widget that contains AdSense ad not display on certain posts that I selected and…
How to play .swf files on Linux?
ByEric MaHow to play the flash (.swf) files downloaded from the Web on Linux? The best solution that I find to play .swf files on Linux is run Adobe Flash Player Projector (download from here, a single .EXE file) and run it under wine. Read more: How to Get Rid of DTS/AC3 Audio using ffmpeg on…
How to convert flv to mp4 with ffmpeg?
ByEric MaHow 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,…
2 Ways of Resetting All Git Submodules in a Git Repository
Git submodule is a nice and convenient mechanism in Git to include the other Git repositories and manage the version/commit used from the submodule Git repository. However, there are cases where we would like “reset” the submodule, such as when we find updating a submodule repository will break the code tree, or merge some updates…
Required packages for building YouCompleteMe for Vim on Fedora 21
ByEric MaYouCompleteMe for Vim on Fedora 21 reports this error: [zma@laptop:~/.vim/bundle/YouCompleteMe]$ ./install.sh — The C compiler identification is GNU 4.9.2 — The CXX compiler identification is GNU 4.9.2 — Check for working C compiler: /usr/bin/cc — Check for working C compiler: /usr/bin/cc — works — Detecting C compiler ABI info — Detecting C compiler ABI info…
How to get one process’s port number?
If we want to check one program on one remote server, we need to know this server’s IP and port number. How to get this program’s port number in the remote server? # netstat -tulpn Remember to run this program with root permission since some programs can only be accessed by root. Read more: Linux…