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Convert base-2 binary number string to int
...comprehension of the primitive way of converting binary to decimal ( e.g. 110 = 2**0 * 0 + 2 ** 1 * 1 + 2 ** 2 * 1)
add = lambda x,y : x + y
reduce(add, [int(x) * 2 ** y for x, y in zip(list(binstr), range(len(binstr) - 1, -1, -1))])
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Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server
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edited Aug 10 '15 at 18:26
Andrey Mikhaylov - lolmaus
20.2k55 gold badges6464 silver badges113113 bronze badges
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Why is it slower to iterate over a small string than a small list?
...remarkably fast.
>>> python3 -m timeit '[x for x in "abc"]'
1000000 loops, best of 3: 0.388 usec per loop
>>> python3 -m timeit '[x for x in ["a", "b", "c"]]'
1000000 loops, best of 3: 0.436 usec per loop
This disagrees with what you've found...
You must be using Python 2...
How to play ringtone/alarm sound in Android
...tem/alarm_alert
– Pritesh Desai
Feb 10 '13 at 19:19
3
Nice and simple. However, depending on the ...
How long should SQL email fields be? [duplicate]
...need worry about these long Email addresses? If someone can't login with a 100-char Email, do you really care? We actually prefer they can't.
Some statistical data may shed some light on the issue. We analyzed a database with over 10 million Email addresses. These addresses are not confirmed so the...
Code Golf: Lasers
... :0;
If the current character is an end-of-line marker (ASCII 10), set the width if it hasn't already been set. The skipped G[0] allows us to write w=p-G instead of w=p-G+1. Also, this finishes off the ?: chain from the M's.
for(;
q+=m,
Move the light by the movement ve...
What's the best way to distribute Java applications? [closed]
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10
I don't like Webstart. It has too much Java/Sun branding. It's hard to get it to work right. Setting up the code signing is more trouble th...
JUnit tests pass in Eclipse but fail in Maven Surefire
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108
I had the same problem (JUnit tests failed in Maven Surefire but passed in Eclipse) and manage...
Is it alright to use target=“_blank” in HTML5?
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answered Nov 16 '10 at 20:56
mikemike
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