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What exactly is Python multiprocessing Module's .join() Method Doing?
Learning about Python Multiprocessing (from a PMOTW article ) and would love some clarification on what exactly the join() method is doing.
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What is the fastest way to create a checksum for large files in C#
... is that SHA256Managed reads 4096 bytes at a time (inherit from FileStream and override Read(byte[], int, int) to see how much it reads from the filestream), which is too small a buffer for disk IO.
To speed things up (2 minutes for hashing 2 Gb file on my machine with SHA256, 1 minute for MD5) wra...
How do I import the Django DoesNotExist exception?
...Jun 19 '12 at 21:28
Daniel RosemanDaniel Roseman
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What is the idiomatic Go equivalent of C's ternary operator?
In C/C++ (and many languages of that family), a common idiom to declare and initialize a variable depending on a condition uses the ternary conditional operator :
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A circular reference was detected while serializing an object of type 'SubSonic.Schema .DatabaseColu
...INeed2 = data.PropertyINeed2
});
This will make your JSON object lighter and easier to understand. If you have many properties, AutoMapper could be used to automatically map between DTO objects and View objects.
share
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Inserting HTML elements with JavaScript
Instead of tediously search for workarounds for each type of attribute and event when using the following syntax:
7 Answers...
Rails: fields_for with index?
...uestion do |fq| %>
# here you have both the 'question' object and the current 'index'
<% end %>
<% end %>
From:
http://railsapi.com/doc/rails-v3.0.4/classes/ActionView/Helpers/FormHelper.html#M006456
It’s also possible to specify the
instance to be used:
<%= fo...
How to deal with floating point number precision in JavaScript?
...s, e.g. do money
calculations entirely in cents. But
this is more work and has some
drawbacks.
Note that the first point only applies if you really need specific precise decimal behaviour. Most people don't need that, they're just irritated that their programs don't work correctly with nu...
How do I browse an old revision of a Subversion repository through the web view?
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I am absolutely stunned this works... (I just checked and it does). I've been told many times it's not possible. Note that the string mentioned must be right after the repo root in the URL, then you can put subdirs of the repo after it.
– rmeador
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Facebook share button and custom text [closed]
... give custom parameters to facebook share its better to give only the link and facebook gets its Title + Description + Picture automatically from the page that you are sharing.
In order to "help" facebook API find those things you can put the following things in the header of the page that you are ...