President Donald Trump vowed on Sunday to make Washington, D.C., "safer and more beautiful" as his administration doubles down on efforts to address crime and a growing homeless population in the ...

Fairfax County is converting 37 acres of the Interstate 95 landfill in Lorton into the county’s largest solar array. “The ground we’re standing on now is the closed landfill part of our site — it ...

Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers ...

This type of array consists of a values buffer and a validity buffer. This more closely matches how data is represented in Polars, so it would be good to support. There are two main benefits: Some ...

CENTRE COUNTY, Pa (WJAC) — In Centre County, one rural township is the proposed site for a growing number of solar farm projects that would cover hundreds of acres of farmland. We have been following ...

The array X = np.array([np.nan,np.nan,"foo",np.nan,np.nan]) converts the np.nan to 'nan' i.e a string instead of keeping it as np.nan. This can really easy introduce bugs, since stuff like pd.issnull( ...

SHA1(Secure Hash Algorithm 1) is an encryption type which is useful while saving password and other information which we want to keep secured. Here is the sample code of converting a string to SHA1 ...