An epic battle is going on deep inside in the registry of my Windows PC. The combatants: Dropbox, Google Drive, OneDrive and the allied forces of TortoiseGit, TortoiseHg and TortoiseSVN. The weapons: blank spaces.
Let me explain: As so often, wars start when there are certain scarce or indivisible resources that are in demand by multiple contenders. In this case, the resources are so-called “overlay icons”. These are the tiny additions displayed in the lower left corner of the symbols for files and folders in the Windows explorer, like the small arrow that indicates a shortcut. Some third-party tools like TortoiseGit or Dropbox make also good use of them to show the state of the files in the registry or the cloud, like whether the file has been changed, is not yet synchronized and so on.
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