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Explain “claims-based authentication” to a 5-year-old
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The following real world example is taken from A Guide to Claims-Based Identity and Access Control (2nd Edition).
A very familiar analogy is the authentication protocol you follow each
time you visit an airport. You can’t simply walk up to the gate and
present your passp...
Why are floating point numbers inaccurate?
...t:
19 / 2
Equals:
9.5
Further reading
The Floating-Point Guide: What Every Programmer Should Know About Floating-Point Arithmetic, or, Why don’t my numbers add up? (floating-point-gui.de)
What Every Computer Scientist Should Know About Floating-Point Arithmetic (Goldberg 1991)
IE...
How can I access and process nested objects, arrays or JSON?
...aScript knowledge and therefore it is advisable to read the MDN JavaScript Guide, especially the sections
Working with Objects
Arrays
Eloquent JavaScript - Data Structures
Accessing nested data structures
A nested data structure is an array or object which refers to other arrays or objects,...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
I work on C++ projects, and I went through Alex Ott's guide to CEDET and other threads about tags in StackOverflow, but I am still confused about how Emacs interfaces with these different tag systems to facilitate autocompletion, the looking up of definitions, navigation of source code base or the...
Ruby on Rails Server options [closed]
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This needs to be in the Rails guides.
– Dorian
Nov 16 '12 at 14:17
4
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How to write WinForms code that auto-scales to system font and dpi settings?
...ng.
Form's size. Scale fixed size Form's manually after creation.
Design Guidelines:
All ContainerControls must be set to the same AutoScaleMode = Font.
(Font will handle both DPI changes and changes to the system font
size setting; DPI will only handle DPI changes, not changes to the
system fo...
Algorithm for creating a school timetable
...her answer is (or, IMHO, seems) well equipped to perform this kind of semi-guided search (The problem being to find a good evaluation function for the candidates to be kept for the next generation)
- Graph Rewriting approaches are also of use with this type of combinatorial optimization problems.
R...
GetHashCode Guidelines in C#
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The answer is mostly, it is a valid guideline, but perhaps not a valid rule. It also doesn't tell the whole story.
The point being made is that for mutable types, you cannot base the hash code on the mutable data because two equal objects must return the same ...
Difference between variable declaration syntaxes in Javascript (including global variables)?
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Very nice exploration. The definite guide to using window.* declaration. This declaration looks most safe against copy-pasting your code, and clear also.
– Dan
Nov 20 '12 at 19:33
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How do I migrate a model out of one django app and into a new one?
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Really great guide @Potr. I'm curious, shouldn't there be a orm['contenttypes.contenttype'].objects.filter line in the backwards part of 0003_create_cat as well? Also I want to share a tip. If you have indexes, they will need...