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Environment variables in Mac OS X

...:want launchctl setenv PATH $PATH Environment variables are not automatically updated in running applications. You will need to relaunch applications to get the updated environment variables (although you can just set variables in your shell, e.g. PATH=whatever:you:want; there's no need to relaunc...
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How can I remove a trailing newline?

...; 'test string\n'.rstrip() 'test string' Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp. >>> 'test string \n \r\n\n\r \n\n'.rstrip() 'test string' To strip only newlines: >>> 'test string \n \r\n\n\r \...
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What is the difference between Swing and AWT?

... buttons, labels, text, checkboxes, etc., into that window and responds to all of your mouse-clicks, key entries, etc., deciding for itself what to do instead of letting the operating system handle it. Thus Swing is 100% portable and is the same across platforms (although it is skinnable and has a "...
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How to check if a process id (PID) exists

...process is not owned by the running user, you may not have permissions to call kill -0. Better to use ps -p $PID > /dev/null 2>&1, which allows you to see process status, even if you do not have permissions to send a signal. – mckoss Apr 1 '12 at 16:...
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Bash script absolute path with OS X

...ee simple steps are going to solve this and many other OS X issues: Install Homebrew brew install coreutils grealpath . (3) may be changed to just realpath, see (2) output share | improve this ...
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What is the documents directory (NSDocumentDirectory)?

...ath = paths.firstObject; return basePath; } This Documents directory allows you to store files and subdirectories your app creates or may need. To access files in the Library directory of your apps sandbox use (in place of paths above): [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory...
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How do I check if the Java JDK is installed on Mac?

How do you check if Java SDK is installed on a Mac? 8 Answers 8 ...
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Python Requests throwing SSLError

...ts, this may be acceptable for quick/throwaway applications/scripts, but really should not go to production software. If just skipping the certificate check is not acceptable in your particular context, consider the following options, your best option is to set the verify parameter to a string tha...
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PHP passing $_GET in linux command prompt

Say we usually access via 13 Answers 13 ...
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Collapse sequences of white space into a single character and trim string

...low, because it creates a new object for every substring and sends method calls to each of them. – Georg Schölly Jun 23 '11 at 18:55 2 ...