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Way to get number of digits in an int?
... may be flawed too i am no benchmark expert). Over a large number of runs (100 000 000), the speed is 11s to 8s on my machine hardly twice as fast.
– Jean
Aug 20 '09 at 15:36
5
...
Caveats of select/poll vs. epoll reactors in Twisted
...ghest numbered file descriptor you pass it. If you select on a single fd, 100, then that's roughly twice as expensive as selecting on a single fd, 50. Adding more fds below the highest isn't quite free, so it's a little more complicated than this in practice, but this is a good first approximation...
Does Go have “if x in” construct similar to Python?
...mber of items) each time. To put this in perspective, a
linear search of 1000000 items requires 500000 comparisons on average,
with a worst case of 1000000 comparisons; a binary search needs at
most 20 comparisons, even in the worst case.
files := []string{"Test.conf", "util.go", "Makefile",...
Why does HTML think “chucknorris” is a color?
...gt;
<tr>
<td bgcolor="chucknorris" cellpadding="8" width="100" align="center">chuck norris</td>
<td bgcolor="mrt" cellpadding="8" width="100" align="center" style="color:#ffffff">Mr T</td>
<td bgcolor="ninjaturtle" cellpadding="8" width="100...
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
...und:
def foo(a, b, c):
print(a, b, c)
obj = {'b':10, 'c':'lee'}
foo(100,**obj)
# 100 10 lee
Another usage of the *l idiom is to unpack argument lists when calling a function.
def foo(bar, lee):
print(bar, lee)
l = [1,2]
foo(*l)
# 1 2
In Python 3 it is possible to use *l on the left...
Can I use git diff on untracked files?
... -N new.txt
git diff
diff --git a/new.txt b/new.txt
index e69de29..3b2aed8 100644
--- a/new.txt
+++ b/new.txt
@@ -0,0 +1 @@
+this is a new file
Sadly, as pointed out, you can't git stash while you have an --intent-to-add file pending like this. Although if you need to stash, you just add the new f...
C# Thread safe fast(est) counter
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How can I truncate a double to only two decimal places in Java?
...
If you need it for calculations, use java.lang.Math:
Math.floor(value * 100) / 100;
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python plot normal distribution
... 1
sigma = math.sqrt(variance)
x = np.linspace(mu - 3*sigma, mu + 3*sigma, 100)
plt.plot(x, stats.norm.pdf(x, mu, sigma))
plt.show()
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Convert HTML + CSS to PDF [closed]
...e. Why this was introduced I don't know. The default value was chosen as 100,000. Why such a low value? Again, no idea.
A bug was raised against PHP 5.2.1 for this, which is still open almost two years later.
What's horrifying about this is that when the limit is exceeded, the replace just sil...