Why is Pakistan selling its JF-17 fighter jets to Bangladesh and others?

Islamabad’s defence diplomacy is driving new interest in the JF-17 fighter jet following Pakistan-India clashes.
Hacker

Array Manipulation: Understanding JavaScript Array Methods

I'm a software developer and writer, passionate about learning and sharing knowledge and one way I do that is through writing. I'm a software developer and writer, passionate about learning and ...
Hacker

[undefined, null, NaN].sort();

JavaScript has a basic sorting function available on Array objects and running it will probably do what you expect. The default JavaScript sorting algorithm is to convert all members of an array to ...
C&EN

Fluorogenic Peptide Sensor Array Derived from Angiotensin-Converting Enzyme 2 Classifies Severe Acute Respiratory Syndrome Coronavirus 2 Variants of Concern

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

Retrofit solution to convert rooftop PV systems into photovoltaic-thermal arrays

Researchers at the Pusan National University in South Korea have developed a hybrid rooftop photovoltaic-thermal system that can also be installed as a retrofit solution where a PV system is already ...
IEEE

Optimal Coarray Combinations Robust to Sensor Failures on Sparse Arrays

Abstract: Sparse arrays can resolve more source direction-of-arrivals (DOAs) than sensors in array processing. This property is achieved with DOA estimators based on the difference coarray. However, ...
GitHub

Memory spike from converting Pandas StringDtype to Numpy unicode array.

For Pandas Series using the StringDtype extension type, Series.astype(str) causes the data to be copied into a fixed-size Numpy unicode array, which can occur in the following code: memory_allocation ...