...$0")" readlink will resolve the script path to an absolute path from the root of the filesystem. So, any paths containing single or double dots, tildes and/or symbolic links will be resolved to a full path. Here's a script demonstrating each of these, whatdir.sh: #!/bin/bash echo "pwd: `pwd`" ec...

... there is more than one class loader, they are represented in a tree whose root is the bootstrap class loader. Each class loader has a reference to its parent class loader. When a class loader is asked to load a class, it consults its parent class loader before attempting to load the item itself. Th...

...r static or non-static, but when you are in doubt just go back to your OOP roots and try to think about what you are representing. Is this an object that is performing an action (a car that can speed up, slow down, turn) or something more abstract (like displaying output). Get in touch with your i...

...are many reason for doing the latter: not having to run your Go program as root, serving other websites/services on the same host, SSL termination, load balancing, logging, etc. I use HAProxy in front. Any reverse proxy could work. Nginx is also a great option (much more popular than HAProxy and ca...

...e trunk into a branch / tag Checkout the branch / tag Right-click on the root of the branch | Tortoise SVN | Merge ... Merge Type: Merge a range of revisions | Click 'Next' Merge revision range: Select the URL of the trunk directory that you copied to the branch / tag. Enter the revisions to merg...

...he image with an argument will run the argument: docker run -it test bash root@e8bb7249b843:/# See this article from Brian DeHamer for even more details: https://www.ctl.io/developers/blog/post/dockerfile-entrypoint-vs-cmd/ ...

...aint. Octave always shows its open-source, information-wants-to-be-free roots. It's free, and it will remind you that it's free at every opportunity. It's developed by volunteers who hate Windows with a passion. Therefore Octave runs on Windows grudgingly. It's quite surprising that as many M...

...itting on some work right now to do an HSBC integration. I'd rather have a root canal. Some of the systems make big assumptions about the way you have to work with them, and are poorly designed or inflexible. Retro-fitting them to an active site can be very painful. Some of them are beautiful and ea...

I have an application that requires data be loaded in a certain order: the root URL, then the schemas, then finally initialize the application with the schemas and urls for the various data objects. As the user navigates the application, data objects are loaded, validated against the schema, and di...

...th a slash ("/", also as in this example), then it will be relative to the root of the server of the current page's URL. Otherwise, paths that don't begin with slash will be treated as relative to the parent of the current page's URL. (This is basic HTML link specification.) Do not forget to inclu...