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Boost Statechart vs. Meta State Machine
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Definitely, but I learned statecharts from discrete math, not software engineering. This leaves a mark :)
– blaze
Nov 25 '10 at 13:47
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Is it safe to ignore the possibility of SHA collisions in practice?
... the above assumes that SHA-256 is a "perfect" hash function, which is far from being proven. Still, SHA-256 seems quite robust.
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What Every Programmer Should Know About Memory?
... much of Ulrich Drepper's What Every Programmer Should Know About Memory from 2007 is still valid. Also I could not find a newer version than 1.0 or an errata.
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DESTDIR and PREFIX of make
...alling to a temporary directory which is not where the package will be run from. For example this is used when building deb packages. The person building the package doesn't actually install everything into its final place on his own system. He may have a different version installed already and not ...
Getting image dimensions without reading the entire file
...of the given format and the value being a function which extracts the size from the stream. Most formats are simple enough, the only real stinker is jpeg.
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Quickly find whether a value is present in a C array?
... up wasting lots of time tuning the output that way. Compilers (especially from Microsoft) have come a long way in the last few years, but they are still not as smart as the compiler between your ears because you're working on your specific situation and not just a general case. The compiler may not...
Android Fragments: When to use hide/show or add/remove/replace?
...ill be in the running state of its lifecycle, but its UI has been detached from the window so it's no longer visible. So you could technically still interact with the fragment and reattach its UI later you need to. If you replace the fragment, the you are actually pulling it out of the container a...
What algorithm gives suggestions in a spell checker?
...ncountered in the Ternary Search Tree, calculate its Levensthein Distance from the wrongly spelled word.
If Levensthein Distance <= 3, store the word in a Priority Queue.
If two words have same edit distance, the one with higher frequency is grater.
Print the top 10 items from Priority Queue.
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Objective-C class -> string like: [NSArray className] -> @“NSArray”
I am trying to get a string name of a class from the class object itself.
3 Answers
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Plotting a list of (x, y) coordinates in python matplotlib
...nd(N)
plt.scatter(x, y)
plt.show()
will produce:
To unpack your data from pairs into lists use zip:
x, y = zip(*li)
So, the one-liner:
plt.scatter(*zip(*li))
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