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Multiple levels of 'collection.defaultdict' in Python
Thanks to some great folks on SO, I discovered the possibilities offered by collections.defaultdict , notably in readability and speed. I have put them to use with success.
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vertical alignment of text element in SVG
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The alignment-baseline property is what you're looking for it can take the following values
auto | baseline | before-edge | text-before-edge |
middle | central | after-edge | text-after-edge |
ideographic | alphabetic | hanging | m...
ASP.NET Identity's default Password Hasher - How does it work and is it secure?
I am wondering wether the Password Hasher that is default implemented in the UserManager that comes with MVC 5 and ASP.NET Identity Framework, is secure enough? And if so, if you could explain to me how it works?
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Update relationships when saving changes of EF4 POCO objects
Entity Framework 4, POCO objects and ASP.Net MVC2. I have a many to many relationship, lets say between BlogPost and Tag entities. This means that in my T4 generated POCO BlogPost class I have:
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How do you log server errors on django sites
So, when playing with the development I can just set settings.DEBUG to True and if an error occures I can see it nicely formatted, with good stack trace and request information.
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Open existing file, append a single line
...for that:
File.AppendAllText(@"c:\path\file.txt", "text content" + Environment.NewLine);
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
... answers to What design decisions would favour Scala's Actors instead of JMS? .
3 Answers
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Is cout synchronized/thread-safe?
In general I assume that streams are not synchronized, it is up to the user to do appropriate locking. However, do things like cout get special treatment in the standard library?
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Multiple INSERT statements vs. single INSERT with multiple VALUES
I'm running a performance comparison between using 1000 INSERT statements:
4 Answers
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Loop code for each file in a directory [duplicate]
I have a directory of pictures that I want to loop through and do some file calculations on. It might just be lack of sleep, but how would I use PHP to look in a given directory, and loop through each file using some sort of for loop?
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