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How to write the Fibonacci Sequence?
...nite
In math, it's given in a recursive form:
In programming, infinite doesn't exist. You can use a recursive form translating the math form directly in your language, for example in Python it becomes:
def F(n):
if n == 0: return 0
elif n == 1: return 1
else: return F(n-1)+F(n-2)
...
How to get string objects instead of Unicode from JSON?
...on_load_byteified(open('somefile.json'))
{'more json': 'from a file'}
How does this work and why would I use it?
Mark Amery's function is shorter and clearer than these ones, so what's the point of them? Why would you want to use them?
Purely for performance. Mark's answer decodes the JSON text f...
Browsers' default CSS for HTML elements
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The link for Firefox does not contain all the defaults. For example, it does not contain the default css for textarea. You can find that in resource://gre-resources/forms.css . In general, browse through the files in resource://gre-resources to f...
How to avoid null checking in Java?
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Concise does not equal quality code. I'm sorry you think so. Your code hides situations where an error would be advantageous.
– gshauger
May 4 '11 at 4:33
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Spring MVC: How to perform validation?
....validation.Validator . A question about that: I saw it validates a class. Does the class have to be filled manually with the values from the user input, and then passed to the validator?
...
What is recursion and when should I use it?
... optimization built in.
* I love recursion. My favorite static language doesn't use loops at all, recursion is the only way to do something repeatedly. I just don't think that recursion is generally a good idea in languages that aren't tuned for it.
** By the way Mario, the typical name for your...
How to paste yanked text into the Vim command line
... commands from a register).
Notable exception is @:. The command register does not contain the initial colon neither does it contain the final carriage return. However in Normal mode, @: will do what you expect, interpreting the register as an Ex command, not trying to play it in Normal mode. So if...
Shortest distance between a point and a line segment
...nd easy to read. The math behind it though, is a little bit mystical. What does the dot-product divided by the length squared really represent, for example?
– user1815201
Sep 27 '13 at 8:37
...
Protecting executable from reverse engineering?
...ly satisfying than just generating reams of horrible spaghetti code. This does nothing to block a determined attacker, but it does increase the likelihood that J Random Cracker will wander off and work on something easier instead.
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What is the most appropriate way to store user settings in Android application
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I agree with Reto and fiXedd. Objectively speaking it doesn't make a lot of sense investing significant time and effort into encrypting passwords in SharedPreferences since any attacker that has access to your preferences file is fairly likely to also have access to your applica...