Creating a lock file (say, in /tmp) is a common approach. On launch, check to see if the file already exists. If it does, exit. Otherwise, create it and continue. This can lead to problems if your app ...
Cosmoe is a modern C++ UI library, but it's also a new iteration of a project with roots in one of the most elegant GUIs ever written.… Cosmoe pulls off several neat tricks. Although it's a newly ...
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