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Use cases for the 'setdefault' dict method

...ld say defaultdict is useful for settings defaults before filling the dict and setdefault is useful for setting defaults while or after filling the dict. Probably the most common use case: Grouping items (in unsorted data, else use itertools.groupby) # really verbose new = {} for (key, value) in ...
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How can I maximize a split window?

...p manual page with split window. I want to maximize the help manual window and close the other window. 11 Answers ...
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Build error: You must add a reference to System.Runtime

I'm preparing a brand new ASP.NET MVC 5.1 solution. I'm adding in a bunch of NuGet packages and setting it up with Zurb Foundation etc. ...
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“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server

...ew MMC. File --> Add/Remove Snap-In... Click Add... Choose Certificates and click Add. Check the "Computer Account" radio button. Click Next. Choose the client computer in the next screen. Click Finish. Click Close. Click OK. NOW install the certificate into the Trusted Root Certification Author...
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How to print a dictionary line by line in Python?

...came to the conclusion of my previous comment. You could send me your code and I can see if I'm any help. – Darrel Holt Dec 21 '16 at 20:54 ...
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Get last record in a queryset

...no real effect (the ordering was undefined prior to calling reverse(), and will remain undefined afterward). share | improve this answer | follow | ...
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Are there legitimate uses for JavaScript's “with” statement?

...nking. I've seldom found a reason to use this particular language feature, and had never given much thought to how it might cause trouble. Now, I'm curious as to how I might make effective use of with , while avoiding its pitfalls. ...
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How do I create a copy of an object in PHP?

...itional level of indirection - the variable points to an "object pointer", and that points to an object. Thus two variables can point to the same object without being references to the same value. This can be seen from this example: $a = new stdClass; $b =& $a; $a = 42; var_export($b); here $b i...
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Session variables in ASP.NET MVC

...lem is that I need this object to be accessed from any part of the website and I don't really know the best way to accomplish this. I know that one solution is to use session variables but I don't know how to use them in asp .net MVC. And where would I declare a session variable? Is there any other ...
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How to change maven logging level to display only warning and errors?

...o prevent maven from displaying INFO messages, I want to see only WARNINGS and ERRORS (if any). 10 Answers ...