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How to import a Python class that is in a directory above?
... if your real need is as you expressed it, exclusively tied to directories and without any necessary relationship to packaging -- then you need to work on __file__ to find out the parent directory (a couple of os.path.dirname calls will do;-), then (if that directory is not already on sys.path) prep...
Java String new line
...t's better to use %n as an OS independent new-line character instead of \n and it's easier than using System.lineSeparator()
Why to use %n, because on each OS, new line refers to a different set of character(s);
Unix and modern Mac's : LF (\n)
Windows : CR LF (\r\n)
Olde...
Execute ssh with password authentication via windows command prompt
I need to execute ssh from windows command line by providing password in a non interactive manner. I could implement the key based authentication and able to execute the ssh commands just like
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Send file using POST from a Python script
...i have done successfully but now i want to upload a video after logging in and the form has a different fields to be filled before submission. So how should I pass those values like videos description,videos title etc
– TaraGurung
May 31 '15 at 10:02
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Failed to build gem native extension (installing Compass)
...form the following:
1. Set Up Ruby Environment
Ensure ruby is installed and up to date: ruby -v
Update gem's sudo gem update --system
2. Set Up MAC Environment
Install the Xcode Command Line Tools this is the key to install Compass.
xcode-select --install
Installing the Xcode Command Line ...
How to install a gem or update RubyGems if it fails with a permissions error
... using gem install mygem or update RubyGems using gem update --system , and it fails with this error:
27 Answers
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Get last n lines of a file, similar to tail
I'm writing a log file viewer for a web application and for that I want to paginate through the lines of the log file. The items in the file are line based with the newest item on the bottom.
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Can I see changes before I save my file in Vim?
I use Vim.
I open a file. I edit it and I want to see what I've edited before I save it.
14 Answers
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Open multiple Eclipse workspaces on the Mac
...he officially supported way to do this as of 10.5. Earlier version of OS X and even 10.5 and up should still work using the following instructions though.
Open the command line (Terminal)
Navigate to your Eclipse installation folder, for instance:
cd /Applications/eclipse/
cd /Developer/Eclip...
Create a GUID in Java
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Have a look at the UUID class bundled with Java 5 and later.
For example:
If you want a random UUID you can use the randomUUID method.
If you want a UUID initialized to a specific value you can use the UUID constructor or the fromString method.
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