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How can I unit test Arduino code?
...ly best illustrated with a real world example.
An actual working example
One of my pet projects found here has some simple tests that run on the PC. For this answer submission, I'll just go over how I mocked-up some of Arduino library functions and the tests I wrote to test those mock-ups. This ...
data.frame rows to a list
...etely abuse the data.frame (as I do) and like to keep the $ functionality, one way is to split you data.frame into one-line data.frames gathered in a list :
> df = data.frame(x=c('a','b','c'), y=3:1)
> df
x y
1 a 3
2 b 2
3 c 1
# 'convert' into a list of data.frames
ldf = lapply(as.list(1:d...
What is the difference between task and thread?
...
A task is something you want done.
A thread is one of the many possible workers which performs that task.
In .NET 4.0 terms, a Task represents an asynchronous operation. Thread(s) are used to complete that operation by breaking the work up into chunks a...
undefined reference to `WinMain@16'
... flag is just semi-documented.
Building without that semi-documented flag one would have to more specifically tell the linker which subsystem value one desires, and some Windows API import libraries will then in general have to be specified explicitly:
C:\test> gnuc x.cpp -Wl,-subsystem,window...
What is the purpose of the single underscore “_” variable in Python?
...me with lambda functions, lambda arg: 1.0 is creating a function requiring one argument but not using it, that will be caught by lint, the fix is to write lambda _: 1.0. An unused variable is often hiding a bug/typo (set day but used dya the next line).
For translation lookup in i18n (see the
gettex...
Where did the name `atoi` come from?
...man pages are as official as it gets. I was expecting it to be declared in one of the standards, at least, but it's not in the C99 draft standard that I have...
– Mark Rushakoff
May 26 '10 at 2:54
...
Build tree array from flat array in javascript
...
As mentioned by @Sander, @Halcyon`s answer assumes a pre-sorted array, the following does not. (It does however assume you have loaded underscore.js - though it could be written in vanilla javascript):
Code
// Example usage
va...
Is Java “pass-by-reference” or “pass-by-value”?
...lowed to the Dog it points to (the Dog object at address 42)
that Dog (the one at address 42) is asked to change his name to Max
at line "BBB"
a new Dog is created. Let's say he's at address 74
we assign the parameter someDog to 74
at line "CCC"
someDog is followed to the Dog it points to (th...
How can I easily view the contents of a datatable or dataview in the immediate window
... Debug.Write(Environment.NewLine);
}
}
#endregion
I then I will call one of the above functions in the immediate window and the results will appear there as well.
For example if I want to see the contents of a variable 'myDataset' I will call printTbl(myDataset). After hitting enter, the resul...
Using module 'subprocess' with timeout
... def __init__(self, cmd):
self.cmd = cmd
self.process = None
def run(self, timeout):
def target():
print 'Thread started'
self.process = subprocess.Popen(self.cmd, shell=True)
self.process.communicate()
print 'Thread fini...