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hexadecimal string to byte array in python
... bits = ''
for i in range(len(s)):
bits += hex_table[int(s[i], base=16)]
return bits
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Why do people say there is modulo bias when using a random number generator?
... klutt
19.6k1414 gold badges3737 silver badges6464 bronze badges
answered Jun 12 '12 at 0:10
Nick DandoulakisNick Dandoulakis
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Pandas percentage of total with groupby
...e level='state' kwarg in div tells pandas to broadcast/join the dataframes base on the values in the state level of the index.
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How to check if any flags of a flag combination are set?
... {
CheckIsEnum<T>(true);
long lValue = Convert.ToInt64(value);
long lFlag = Convert.ToInt64(flag);
return (lValue & lFlag) != 0;
}
public static IEnumerable<T> GetFlags<T>(this T value) where T : struct
{
CheckIsEnum<T>...
Mercurial move changes to a new branch
...n is one solution for you problem. IMHO a simpler workflow is to use the rebase extension. Suppose you have a history like this:
@ changeset: 2:81b92083cb1d
| tag: tip
| summary: my new feature: edit file a
|
o changeset: 1:8bdc4508ac7b
| summary: my new feature: add file b...
Programmatically get the cache line size?
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@android : I use fedora-18 x64 machine with core-i5 processor. cat /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size returns 64 in my system. Same for index1,2,3 folders also.
– Abid Rahman K
Aug 8 '13 ...
WAMP/XAMPP is responding very slow over localhost
...check this by pressing CTRL+ALT+DEL and press Task Manager
Turn off the Base Filtering Engine (BFE)
What I find to be working a bit as well was turning off the Base Filtering Engine. Since stopping or disabling the BFE service will significantly reduce the security of the system you should only ...
Fastest hash for non-cryptographic uses?
I'm essentially preparing phrases to be put into the database, they may be malformed so I want to store a short hash of them instead (I will be simply comparing if they exist or not, so hash is ideal).
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Make HTML5 video poster be same size as video itself
...or preloading but without requiring a separate transparent image. We use a base64 encoded 1px transparent image instead.
<style type="text/css" >
video{
background: transparent url("poster.jpg") 50% 50% / cover no-repeat ;
}
</style>
<video controls poster="data:image...
Tricks to manage the available memory in an R session
... available memory of an interactive R session? I use the functions below [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effective solution was ... to run under 64-bi...