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This Wiki is dedicated to things you don't want to do in Zope, because doing so could possible start the Spanish Inquisition.

Feel Free to add your own.

Thou Shalt Not

• return mutable attributes from a method, for fear of security, return copies if you must return a mutable object.
• untar or install ZOPE as root or run ZOPE as root without -u
• use aq_base() unless much wisdom you have
• iterate over a large set of objects repeatedly if you are returning a result set. Its usually better to keep your information in a ZCatalog? and query that. This way Catalog objects are only cached.
• if you plan on having hundreds of objects in a folder, DO NOT use a standard Folder or ObjectManager?. Please look at using BTreeFolders?.
• start win32 zope as a service unless you plan to go into production. its very difficult to debug zope when its running as a service. run it manually and then when you are ready to go into production flip the service switch.
• if you are starting zope from the command line inside of win32. you must type start.bat in quotes. i.e. "start.bat":

              Ah. You are getting bitten by a command name collision. "start" will start a new
         a command prompt, which is what you see, butnot what you want to happen. You
         need to run the "start.bat" command file. The most reliable way to do this is to 
         double-click it in the explorer. Try that, it should solve your problem.
  

• never register a persistent object with a transaction via subclassing TM, use a TM subclass as a volatile attribute.

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