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How do I design a class in Python?
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How to design a class.
Write down the words. You started to do this. Some people don't and wonder why they have problems.
Expand your set of words into simple statements about what these objects will be doing. That is to say, write down the various calculation...
Passing arguments to “make run”
...make won't complain:
# If the first argument is "run"...
ifeq (run,$(firstword $(MAKECMDGOALS)))
# use the rest as arguments for "run"
RUN_ARGS := $(wordlist 2,$(words $(MAKECMDGOALS)),$(MAKECMDGOALS))
# ...and turn them into do-nothing targets
$(eval $(RUN_ARGS):;@:)
endif
prog: # ...
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unsigned int vs. size_t
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"size of the biggest object" is not poor wording, but absolutely correct. The sixe of an object can be much more limited than the address space.
– gnasher729
Apr 12 '14 at 21:39
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When should I use the “strictfp” keyword in java?
...es anyone actually have an example of when you would use the strictfp keyword in Java? Has anyone actually found a use for this?
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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
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A picture is worth a thousand words:
PHP Double Equals == equality chart:
PHP Triple Equals === Equality chart:
Source code to create these images:
https://github.com/sentientmachine/php_equality_charts
Guru Meditation
Those who wish to keep their sanit...
How do you get the list of targets in a makefile?
...i.e.: invoke as make list:
.PHONY: list
list:
@$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | sort | egrep -v -e '^[^[:alnum:]]' -e '^$@$$'
Important: On pasting this, make sure that ...
How do I add an icon to a mingw-gcc compiled executable?
...'s just telling Windows that this program is translated) by just appending WORD, WORD-pairs, for example: VALUE "Translation", 0x409, 1252, 0x809, 1252 would enable both US and UK English according to msdn.microsoft.com/en-us/library/aa381058.aspx. This also tells you that you can include more than ...
What kinds of patterns could I enforce on the code to make it easier to translate to another program
...n data types can change what a language does phenomenally.
For instance:
word = 'This is not a word'
print word[::-2]
takes a lot of C++ code to duplicate (ok, well you can do it fairly short with some looping constructs, but still).
That's a bit of an aside, I guess.
Have you ever written a ...
Alter column, add default constraint
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you can wrap reserved words in square brackets to avoid these kinds of errors:
dbo.TableName.[Date]
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What does the `#` operator mean in Scala?
... are saying that each instance of that class has such a subclass. In other words, there's no A.B class, but there are a1.B and a2.B classes, and they are different classes, as the error message is telling us above.
If you did not understand that, look up path dependent types.
Now, # makes it possi...