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Initializing a list to a known number of elements in Python [duplicate]
...st thing that comes to mind for me is:
verts = [None]*1000
But do you really need to preinitialize it?
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Enable access control on simple HTTP server
...mport sys
class CORSRequestHandler (SimpleHTTPRequestHandler):
def end_headers (self):
self.send_header('Access-Control-Allow-Origin', '*')
SimpleHTTPRequestHandler.end_headers(self)
if __name__ == '__main__':
test(CORSRequestHandler, HTTPServer, port=int(sys.argv[1]) if le...
Using Python's os.path, how do I go up one directory?
...
os.path.abspath(os.path.join(os.path.dirname( __file__ ), '..', 'templates'))
As far as where the templates folder should go, I don't know since Django 1.4 just came out and I haven't looked at it yet. You should probably ask another question on SE to solve that issue....
How to do an instanceof check with Scala(Test)
I'm trying to incorporate ScalaTest into my Java project; replacing all JUnit tests with ScalaTests. At one point, I want to check if Guice's Injector injects the correct type. In Java, I have a test like this:
...
Make the current commit the only (initial) commit in a Git repository?
...e using submodules, you should use e.g. interactive rebase
Step 1: remove all history (Make sure you have backup, this cannot be reverted)
cat .git/config # note <github-uri>
rm -rf .git
Step 2: reconstruct the Git repo with only the current content
git init
git add .
git commit -m "Init...
Python dictionary: Get list of values for list of keys
...n list-comp:
Build list and throw exception if key not found: map(mydict.__getitem__, mykeys)
Build list with None if key not found: map(mydict.get, mykeys)
Alternatively, using operator.itemgetter can return a tuple:
from operator import itemgetter
myvalues = itemgetter(*mykeys)(mydict)
# use ...
How do I auto size a UIScrollView to fit its content
...careful when Scroll Indicators are enabled! a UIImageView will be automatically created for each one by the SDK. you must account for it or else your content size will be wrong. ( see stackoverflow.com/questions/5388703/… )
– AmitP
Oct 26 '14 at 15:58
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UITableViewHeaderFooterView: Unable to change background color
...gn custom view: myTableViewHeaderFooterView.backgroundView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"myImage.png"]];
– skywinder
Jan 16 '14 at 6:28
...
Sharing a result queue among several processes
... can I share a queue with asynchronous worker processes started with apply_async ? I don't need dynamic joining or anything else, just a way for the workers to (repeatedly) report their results back to base.
...
Why is string concatenation faster than array join?
...ring concatenation. Beginning with version 1.0, the array technique is actually slower than using the plus operator in all cases. Other browsers have also optimized string concatenation, so Safari, Opera, Chrome, and Internet Explorer 8 also show better performance using the plus operator. Internet ...