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What is the difference between trie and radix trie data structures?
...its (or a hexidecimal digit: 0x0 through to 0xf).
This diagram, retrieved from Wikipedia, seems to depict a trie with (at least) the keys 'A', 'to', 'tea', 'ted', 'ten' and 'inn' inserted:
If this trie were to store items for the keys 't', 'te', 'i' or 'in' there would need to be extra informati...
How to equalize the scales of x-axis and y-axis in Python matplotlib?
...
You need to dig a bit deeper into the api to do this:
from matplotlib import pyplot as plt
plt.plot(range(5))
plt.xlim(-3, 3)
plt.ylim(-3, 3)
plt.gca().set_aspect('equal', adjustable='box')
plt.draw()
doc for set_aspect
...
git remote add with other SSH port
...e port inside the config file is one way you can withhold that information from collaborators (That's when you have multiple remotes, the deployment remote host is different from the internal Source Code repo).
– Ragunath Jawahar
Jun 25 '14 at 12:23
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How to join absolute and relative urls?
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>>> from urlparse import urljoin
>>> url1 = "http://www.youtube.com/user/khanacademy"
>>> url2 = "/user/khanacademy"
>>> urljoin(url1, url2)
'http://www.youtube.com/user/khanacademy'
Simple.
...
When should we use Observer and Observable?
...ause it separates the part where you say that the Observable has changed, from the part where you notify the changes. (E.g. Its useful if you have multiple changes happening and you only want to notify at the end of the process rather than at each small step). This is done through setChanged(). So ...
CSS: Truncate table cells, but fit as much as possible
...t;<!--Content here--></div>
<!--Keeps the container from collapsing without
having to specify a height-->
<span>&nbsp;</span>
</div>
</td>
.container {
position: relative;
}
.content {
position: absolute;
max...
How to navigate a few folders up?
...) a few times. Is there a more graceful way of travelling a few folders up from where the executing assembly resides?
10 An...
How to create and handle composite primary key in JPA
I want to have versions from the same data entry. In other words, I want to duplicate the entry with another version number.
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Java OCR implementation [closed]
...ence.
I used it successfully in a personal project to identify the letter from an image such as this, you can find all the source for the OCR component of my application on github, here.
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i...
What data type to use for hashed password field and what length?
...ion is not strong enough for storing passwords. You should read the answer from Gilles on this thread for a more detailed explanation.
For passwords, use a key-strengthening hash algorithm like Bcrypt or Argon2i. For example, in PHP, use the password_hash() function, which uses Bcrypt by default.
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