Dave Challis

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Dave Challis has asked 22 questions and find answers to 9 problems.

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Dave Challis questions

Pandas DataFrame: How to quickly get first non-NaN value in each row? [duplicate]
How can I use different c compiler/linker options on a per-file basis using rebar?
How can I specify linker flags/arguments in a build script?
Concatenation of every row combination of two numpy arrays
Atomic read then write of part of a ByteBuffer in Java
Creating a Vec in Rust from a C array pointer and safely freeing it?
Opposite of Borrow trait for Copy types?
Setting JVM maximum heap size when running Kotlin scripts?
Adding values for missing data combinations in Pandas
Is there a way to import macros from an external crate during tests only, without any warnings?

Dave Challis answers

SOAP Server error in PHP - adding functions from a class
Is there a faster way to compare two Int arrays in Java?
Python unit testing overriding module level functions
Setting JVM maximum heap size when running Kotlin scripts?
get array values in python
PHP PDO code to insert in MySQL db does not work [duplicate]
Compiling & installing C executable using python's setuptools/setup.py?
QR Code generation in shell / mac terminal