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IPN vs PDT in Paypal

...n't happen. The application I wrote handles the PDT and IPN almost identically (the backend part is the same) and that code acquires a per-web-user lock in the database, so that if the same user tries to submit the exact same payment multiple times it can only be processed once. Once processed the...
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append multiple values for one key in a dictionary [duplicate]

...st of values associated with that year, right? Here's how I'd do it: years_dict = dict() for line in list: if line[0] in years_dict: # append the new number to the existing array at this slot years_dict[line[0]].append(line[1]) else: # create a new array in this slo...
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Efficient evaluation of a function at every cell of a NumPy array

...t be faster than the "manual" double loop iteration and assignment through all the array elements. Especially, because it stores the result to a newly created variable (and not directly to the initial input). Thanks a lot for your reply though:) – Peter Oct 9 '...
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Python function global variables?

...hem, is the following a valid way to go about using them? (I am trying to call the global copy of a variable created in a separate function.) ...
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How do I abort the execution of a Python script? [duplicate]

... Prints "aa! errors!" and exits with a status code of 1. There is also an _exit() function in the os module. The sys.exit() function raises a SystemExit exception to exit the program, so try statements and cleanup code can execute. The os._exit() version doesn't do this. It just ends the program...
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Disable activity slide-in animation when launching new activity?

...ote that FLAG_ACTIVITY_NO_ANIMATION and overridePendingTransition are both API Level 5+ only. – azdev Nov 1 '11 at 17:02 ...
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Prevent RequireJS from Caching Required Scripts

RequireJS seems to do something internally that caches required javascript files. If I make a change to one of the required files, I have to rename the file in order for the changes to be applied. ...
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MongoDB and “joins” [duplicate]

I'm sure MongoDB doesn't officially support "joins". What does this mean? 11 Answers 1...
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Razor-based view doesn't see referenced assemblies

...m another project in the same solution (with assembly name MyCoreDBLayer). All objects from MyCore.DBLayer worked perfectly in Controllers and Models but failed in Razor views with an error 'The type or namespace name 'DBLayer' does not exist in the namespace 'MyCore' (are you missing an assembly re...
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Error Dropping Database (Can't rmdir '.test\', errno: 17)

Basically, I was taught on how to create a root password using the "mysqladmin -u root -p password" command, this was done all through the windows command editor. Now, the next process was to display the default databases (info. schema, mysql and test) which was achieved by using "SHOW DATABASES;" ...