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Why does multiprocessing use only a single core after I import numpy?
...n OS issue, but I thought I would ask here in case anyone has some insight from the Python end of things.
3 Answers
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Why does the JVM still not support tail-call optimization?
...ade statically in an object-oriented language. Instead, the transformation from tail-recursive function to simple loop must be done dynamically by a JIT compiler.
It then gives an example of Java code that won't transform.
So, as the example in Listing 3 shows, we cannot expect static compile...
Iterating over every two elements in a list
...
You need a pairwise() (or grouped()) implementation.
For Python 2:
from itertools import izip
def pairwise(iterable):
"s -> (s0, s1), (s2, s3), (s4, s5), ..."
a = iter(iterable)
return izip(a, a)
for x, y in pairwise(l):
print "%d + %d = %d" % (x, y, x + y)
Or, more gen...
Can I stop 100% Width Text Boxes from extending beyond their containers?
...with the borders set on the div (that way you can remove the display:block from the input too). Something like:
<div style="border:1px solid gray;">
<input type="text" class="wide" />
</div>
Edit:
Another option is to, instead of removing the style from the input, compensate fo...
Histogram Matplotlib
...tlib solution to histograms, because the simple histogram_demo was removed from the matplotlib example gallery page.
Here is a solution, which doesn't require numpy to be imported. I only import numpy to generate the data x to be plotted. It relies on the function hist instead of the function bar a...
How to Loop through items returned by a function with ng-repeat?
...re processed if dirty == true $digest starts another depth-first traversal from $rootScope. $digest ends when dirty == false or number of traversals == 10. In the latter case, the error "10 $digest() iterations reached." will be logged.
Now about ngRepeat. For each watch.get call it stores objects ...
how to draw smooth curve through N points using javascript HTML5 canvas?
... With this algorithm is each successive curve meant to start from the previous curves end point?
– Lee Brindley
Dec 4 '13 at 5:31
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NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
...
I've been using a solution from that issue report for months now and all of the sudden after updating to the latest support libraries and sdk 23 I've started getting this new report on crashlytics: java.lang.NoClassDefFoundError: android.support.v7.int...
Git command to show which specific files are ignored by .gitignore
... check-ignore -v $(find . -type f -print)
Make sure to exclude the files from the .git/ subfolder though.
Original answer 42009)
git ls-files -i
should work, except its source code indicates:
if (show_ignored && !exc_given) {
fprintf(stderr, "%s: --ignored needs some...
What are the options for storing hierarchical data in a relational database? [closed]
...he hierarchy.
The problem up until now has been that the coversion method from an Adjacecy List to Nested Sets has been frightfully slow because most people use the extreme RBAR method known as a "Push Stack" to do the conversion and has been considered to be way to expensive to reach the Nirvana o...