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How to write the Fibonacci Sequence?
...ot of time as n gets bigger. In fact, this is O(2n) in time.
Go on on the sites I linked to you and will see this (on wolfram):
This one is pretty easy to implement and very, very fast to compute, in Python:
from math import sqrt
def F(n):
return ((1+sqrt(5))**n-(1-sqrt(5))**n)/(2**n*sqrt(5...
source of historical stock data [closed]
...users to obtain the benefits of the services provided at the Yahoo Finance site". Thumbs down on Yahoo
– Mustapha George
Aug 30 '15 at 11:27
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Javascript shorthand ternary operator
I know that in php 5.3 instead of using this redundant ternary operator syntax:
7 Answers
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How to securely store access token and secret in Android?
...e password and the user can be sure that they only send it to the original site (Facebook, Twitter, Gmail, etc.)
Even if someone steals a token, they don't get to see the password (which the user might be using on other sites too)
Tokens generally have a lifetime and expire after a certain time
Toke...
Understanding checked vs unchecked exceptions in Java
... setStatusMessage("Hello Mr. " + userObject.getName() + ", Welcome to my site!);
} catch (NullPointerException npe) {
sendError("Sorry, your userObject was null. Please contact customer care.");
}
This is a bad programming practice. Instead a null-check should have been done like -
if (user...
Do you leave parentheses in or out in Ruby? [closed]
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I agree. In php for example I can quickly spot a var by the $ prefix.. in javascript I can reconize a function by the parenthesis(). In Ruby the difference between a var or func (without parenthesis) is not always easy to see.
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What online brokers offer APIs? [closed]
...rokers:
https://www.interactivebrokers.com/en/?f=%2Fen%2Fsoftware%2Fibapi.php
Pinnacle Capital Markets:
http://www.pcmtrading.com/es/technology/api.html
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Mongoose.js: Find user by username LIKE value
... @LenJoseph just in general the ReDoS attack: owasp.org/index.php/…, I'm unaware if mongoose is vulnerable at this point, or if there is any intended functionality to detect ReDoS inputs and sanitize them at the mongoose level.
– Mike Shi
Jun 23 ...
How to add new column to MYSQL table?
I am trying to add a new column to my MYSQL table using PHP. I am unsure how to alter my table so that the new column is created. In my assessment table I have:
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Eclipse: Set maximum line length for auto formatting?
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For HTML / PHP / JSP / JSPF: Web -> HTML Files -> Editor -> Line width
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