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Array or List in Java. Which is faster?
...ve Java recommends Lists for they help with API interoperability, and also more secure with type safety.
– juanmf
Dec 13 '14 at 15:04
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How do I make a simple makefile for gcc on Linux?
...ace indentation, so be sure to fix that when copying)
However, to support more C files, you'd have to make new rules for each of them. Thus, to improve:
HEADERS = program.h headers.h
OBJECTS = program.o
default: program
%.o: %.c $(HEADERS)
gcc -c $< -o $@
program: $(OBJECTS)
gcc $(O...
Reducing Django Memory Usage. Low hanging fruit?
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Ubuntu rails install fails on zlib
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Passing functions with arguments to another function in Python?
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functools.partial is also more versatile if perform needs to hand over further parameters to f. E.g., one could call perform(partial(Action3, p)) and perform(f) could do something like f("this is parameter r").
– Robert
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How do you round UP a number in Python?
... non-integral float is involved (either numerator or denominator); this is more magical looking, but works for both ints and floats. For small numerators, it's also faster (on CPython 3.7.2), though oddly, when only the numerator is large enough that array based math is needed, your approach is slow...
How to install psycopg2 with “pip” on Python?
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Conditionally ignoring tests in JUnit 4
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Simulating group_concat MySQL function in Microsoft SQL Server 2005?
... shows how to concat values - group_concat concats them by group, which is more challenging (and what the OP appears to require). See the accepted answer to SO 15154644 for how to do this - the WHERE clause is the critical addition
– DJDave
Jan 11 '18 at 13:26
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Deleting multiple elements from a list
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