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Efficient way to determine number of digits in an integer
...ion optimization for 32-bit numbers
template<>
int numDigits(int32_t x)
{
if (x == MIN_INT) return 10 + 1;
if (x < 0) return numDigits(-x) + 1;
if (x >= 10000) {
if (x >= 10000000) {
if (x >= 100000000) {
if (x >= 1000000000)
...
How does this milw0rm heap spraying exploit work?
...code but for this one I can’t figure out the logic. The code is from an exploit that has been published 4 days ago. You can find it at milw0rm .
...
How to get different colored lines for different plots in a single figure?
...is by default.
E.g.:
import matplotlib.pyplot as plt
import numpy as np
x = np.arange(10)
plt.plot(x, x)
plt.plot(x, 2 * x)
plt.plot(x, 3 * x)
plt.plot(x, 4 * x)
plt.show()
And, as you may already know, you can easily add a legend:
import matplotlib.pyplot as plt
import numpy as np
x = np....
Where does Oracle SQL Developer store connections?
... have an application that I can't get connected to my Oracle Database 11g Express Edition. I created a test database in this edition, and I can connect to the database fine using Oracle SQL Developer, create tables, views etc. However, I'm having a hard time getting connected via my application. Whe...
How do I concatenate two arrays in C#?
...
var z = new int[x.Length + y.Length];
x.CopyTo(z, 0);
y.CopyTo(z, x.Length);
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Concatenate two slices in Go
...
@Toad: It doesn't actually spread them out. In the foo() example above, the is parameter holds a copy of the original slice, which is to say it has a copy of the light-weight reference to the same underlying array, len and cap. If the foo function alters a member, the change will be...
Bomb dropping algorithm
I have an n x m matrix consisting of non-negative integers. For example:
32 Answers
...
range() for floats
...ction, but writing one like this shouldn't be too complicated.
def frange(x, y, jump):
while x < y:
yield x
x += jump
As the comments mention, this could produce unpredictable results like:
>>> list(frange(0, 100, 0.1))[-1]
99.9999999999986
To get the expected result, y...
What is the difference between Θ(n) and O(n)?
...
Short explanation:
If an algorithm is of Θ(g(n)), it means that the running time of the algorithm as n (input size) gets larger is proportional to g(n).
If an algorithm is of O(g(n)), it means that the running time of the ...
How to copy commits from one branch to another?
...You should really have a workflow that lets you do this all by merging:
- x - x - x (v2) - x - x - x (v2.1)
\
x - x - x (wss)
So all you have to do is git checkout v2.1 and git merge wss. If for some reason you really can't do this, and you can't use git rebase to move your...