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Cost of len() function
... and is not timed.
List:
$ python -m timeit -s "l = range(10);" "len(l)"
10000000 loops, best of 3: 0.0677 usec per loop
$ python -m timeit -s "l = range(1000000);" "len(l)"
10000000 loops, best of 3: 0.0688 usec per loop
Tuple:
$ python -m timeit -s "t = (1,)*10;" "len(t)"
10000000 loops, bes...
d3 axis labeling
...le)
.tickFormat(formatAxis)
.ticks(3)
.tickValues([100, 200, 300]) //specify an array here for values
.orient("bottom");
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Should “node_modules” folder be included in the git repository
...blems now.
But:
Pushing the whole node_modules folder (often more than 100 MB) to your repository, will cost you memory space.
A few kb (package.json only) compared with hundreds of MB (package.json & node_modules)... Think about it.
You could do it / should think about it if:
the softwar...
“static const” vs “#define” vs “enum”
..."constants" in a header file. Then this header file was included in around 100 ".c" and ".cpp" files. => 8Mbytes for "consts". Great. Yes I know that you might use a linker to remove unreferenced consts, but then this still leaves you which the "consts" which ARE referenced. Running out of space ...
How to make a HTML Page in A4 paper size page(s)?
...r answer works? Try e.g. to visit data:text/html,<style>@page x{size:100pt 200pt}</style><div style="page:x">x</div> and open a print preview. I see no difference between that and data:text/html,x. When I replace @page x with @page, then it works, but that is not a page-speci...
how to File.listFiles in alphabetical order?
...
@CPU100 i believe that by using the list() instead of listFiles() gives the advantage of having only the file names without the parent directory paths, resulting in shorter strings and lesser cpu time to sort/compare.
...
How does the @property decorator work in Python?
... def __init__(self, dollars, cents):
self.total_cents = dollars * 100 + cents
If the above mentioned user now tries to run his/her library as before
money = Money(27, 12)
print("I have {} dollar and {} cents.".format(money.dollars, money.cents))
it will result in an error
Why doesn't django's model.save() call full_clean()?
...ources you might be intrested in:
http://code.djangoproject.com/ticket/13100
http://groups.google.com/group/django-developers/browse_frm/thread/b888734b05878f87
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StringBuilder vs String concatenation in toString() in Java
... {
StringBuilder s = new StringBuilder();
for(int i=0;i<100000;i++)
s.append("*");
}
private static void slow()
{
String s = "";
for(int i=0;i<100000;i++)
s+="*";
}
}
The output is:
slow elapsed 11741 ms
fast ela...
How are people managing authentication in Go? [closed]
...rtificate("<root-ca>"))
cache = &store.LRU{
lru.New(100),
&sync.Mutex{},
}
// create strategies
x509Strategy := gx509.New(opts)
basicStrategy := basic.New(validateUser, cache)
tokenStrategy := bearer.New(bearer.NoOpAuthenticate, cache)
aut...