I'm being a little facetious. Everybody says they want security, but it's almost never prioritized. Actions speak louder than words.
We used intellij for our java ee application with tomcat. So many configurations and options, it's insane. Seriously, I cannot believe I primarily used eclipse and netbeans for java products. Jetbrains is my god. Intellij has great VCS support.
#this function takes list we generate and then computes a polynomial function using values in the list
def stuff(s, y):
x = 0
b = 0
for i in s:
b += (float(i)) * (y**x) #in this case we are taking 7*y^4 + 9.3*y^3 + 5.0*y^2 + etc... where y = -13
x += 1
c = b
print c #correctly gives 180339.9
return c
#this function should take poly (a tuple) and converts it into a list.
def evaluate_poly(poly, y):
s = list(poly)
stuff(s,y)
x = 0.0, 0.0, 5.0, 9.3, 7.0
y = -13
evaluate_poly(x, y)You don't need to actually convert your tuple to a list, just iterate over it normally. For example instead of calling evaluate_poly(x, y) in the last line just directly call stuff(x, y) and you will see that you are getting the correct result.
and a binary search is O(log n). Suppose you generate some polynomial. It has to be at least degree n-1, where n is the length of the array, to uniquely identity n values. Therefore computing the value of the polynomial is also O (n multiplications, n-1 additions, n-1 exponentiations)What's the advantage? Are you trying to make reverse lookup faster or something? I.e. Find the index which a value is at in the array?
A straight sequential lookup is O
On the other hand, if the purpose is to be able to supply arbitrary values to the polynomial to see how close it lies to an existing value, maybe useful? Although depending what higher level problem you're trying to solve, there may be something better.
def evaluate_poly(poly, x):
result = 0
exponent = 0
for coefficient in poly:
result += float(coefficient) * (x ** exponent)
exponent += 1
return resultI found this helpful. It was pretty easy to read and introduced concepts in a straightforward fashion. YMMV of course.
// C#
fileStream = File.Open(_File, FileMode.Open, FileAccess.Read);
BinaryReader binaryReader = new BinaryReader(fileStream);
int length = (int)binaryReader.BaseStream.Length;
binaryReader.BaseStream.Seek(0, SeekOrigin.Begin);
myClass = binaryReader.ReadBytes(length);
fileStream.Close();
override func touchesBegan(touches: NSSet, withEvent event: UIEvent) {
self.table.hidden = true
}for x in 'hello':
print xEffective Java isn't really a data structures book but he talks a lot about patterns and collections (he wrote the collections classes in the API), might be able to help you out. It's a really good Java book anyway too
public void print(java.util.function.Function<Integer, Boolean> function) {
for (int i = 0; i < SIZE; i++) {
if (function.apply(i)) {
System.out.print(arrayOfInts[i] + " ");
}
}
System.out.println();
} System.out.println("print(Function) with lambda expressions");
ds.print(index -> {
if (index % 2 == 0) return Boolean.TRUE;
return Boolean.FALSE;
});
ds.print(index -> {
if (index % 2 == 0) return Boolean.FALSE;
return Boolean.TRUE;
});if (function.apply(i)){...}