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What is the meaning of “non temporal” memory accesses in x86
...ntent is directly written to memory.
Source: http://lwn.net/Articles/255364/
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jQuery: Count number of list elements?
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gsamaras
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answered Mar 3 '09 at 11:12
cletuscletu...
Quickly find whether a value is present in a C array?
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barak manosbarak manos
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Where is Maven' settings.xml located on mac os?
...atform encoding: UTF-8
OS name: "mac os x", version: "10.11.5", arch: "x86_64", family: "mac"
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“Could not run curl-config: [Errno 2] No such file or directory” when installing pycurl
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That fixed my issue on Ubuntu 12.04 (x64) and Python3.4 installed
– Ilia Shakitko
Dec 17 '14 at 11:13
23
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Learning assembly [closed]
...o learn reverse engineering.
What you want to do is grab the IA-32 and AMD64 (both are covered together) architecture manuals from Intel and AMD, and look through the early sections on instructions and opcodes. Maybe read a tutorial or two on assembly language, just to get the basics of assembly la...
How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
...bly does not have "download_prerequisites")
cd src/gcc-4.4.2
ln -s ~/linux64/gmp-4.2.1 gmp
ln -s ~/linux64/mpfr-2.3.0 mpfr
Btw, using "-with-gmp" and "with-mpfr" with "./configure" gave me "configure: error: cannot compute suffix of object files: cannot compile". Hence I downloaded the srcs of g...
TypeError: Missing 1 required positional argument: 'self'
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64
You need to initialize it first:
p = Pump().getPumps()
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Compiling simple Hello World program on OS X via command line
... ld: can't link with a main executable file './a.out' for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
– Eddified
Jan 31 '14 at 6:32
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count the frequency that a value occurs in a dataframe column
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In [38]:
df['a'].value_counts()
Out[38]:
b 3
a 2
s 2
dtype: int64
If you wanted to add frequency back to the original dataframe use transform to return an aligned index:
In [41]:
df['freq'] = df.groupby('a')['a'].transform('count')
df
Out[41]:
a freq
0 a 2
1 b 3
2 s 2...