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surface plots in matplotlib
...rays.
data = [(1,2,3), (10,20,30), (11, 22, 33), (110, 220, 330)]
X,Y,Z = zip(*data)
In [7]: X
Out[7]: (1, 10, 11, 110)
In [8]: Y
Out[8]: (2, 20, 22, 220)
In [9]: Z
Out[9]: (3, 30, 33, 330)
Here's mtaplotlib delaunay triangulation (interpolation), it converts 1d x,y,z into something compliant (?)...
How does the Amazon Recommendation feature work?
...les - which were anonymized buying trends based on company domain name and zip code. There had to be at least 50 distinct buyers in a purchase circle before you could get information about it - so amazon certainly did keep, track and use that information to help themselves (and others) understand w...
Catch multiple exceptions at once?
...u and so you have to also add an attribute to your code that has precisely zip to do with the running program, and is only there to tell FxCop to ignore an issue that in 99.9% of cases it is totally correct in flagging. And, sorry, I might be mistaken, but doesn't that "ignore" attribute end up actu...
JavaFX and OpenJDK
...binary-windows/releases/tag/v8u172-b11
copy all the files from the OpenFX zip on top of the JDK, voila, you have an OpenJDK with JavaFX.
Update:
Fortunately from Azul there is now a OpenJDK+OpenJFX build which can be downloaded at their community page: https://www.azul.com/downloads/zulu-communit...
Which @NotNull Java annotation should I use?
...ar
org.checkerframework.checker.nullness.qual from checker-framework-2.1.9.zip
lombok from lombok commit f6da35e4c4f3305ecd1b415e2ab1b9ef8a9120b4
javax.validation.constraints from validation-api-1.0.0.GA-sources.jar
share
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C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...el：
生成的结果Excel：
5、工程源码下载：ExcelDemo.zip
1233|1234|1455|2067C++ 高速读写 EXCEL OLE COM
What is the difference between URI, URL and URN? [duplicate]
... For example:
http://example.com/mypage.html
ftp://example.com/download.zip
mailto:user@example.com
file:///home/user/file.txt
http://example.com/resource?foo=bar#fragment
/other/link.html (A relative URL, only useful in the context of another URL)
URLs always start with a protocol (http) and u...
Use numpy array in shared memory for multiprocessing
...)
# create some random data and execute the child jobs
mem_ids, sumvals = zip(*launch_jobs(np.random.rand(10)))
# this will print 'True' on POSIX OS, since the data was shared
print(np.all(np.asarray(mem_ids) == id(data_array)))
...
Rename specific column(s) in pandas
.../a/38101084/452587
def method_5():
df_renamed = df.rename(columns=dict(zip(df[['A', 'M', 'N', 'Z']], ['A2', 'M2', 'N2', 'Z2'])))
print('Method 1:', timeit.timeit(method_1, number=10))
print('Method 2:', timeit.timeit(method_2, number=10))
print('Method 3:', timeit.timeit(method_3, number=10))
p...
Fitting empirical distribution to theoretical ones with Scipy (Python)?
...'loc', 'scale']
param_str = ', '.join(['{}={:0.2f}'.format(k,v) for k,v in zip(param_names, best_fit_params)])
dist_str = '{}({})'.format(best_fit_name, param_str)
ax.set_title(u'El Niño sea temp. with best fit distribution \n' + dist_str)
ax.set_xlabel(u'Temp. (°C)')
ax.set_ylabel('Frequency')
...