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What is __future__ in Python used for and how/when to use it, and how it works
...introducing new keywords.
E.g., for using context managers, you had to do from __future__ import with_statement in 2.5, as the with keyword was new and shouldn't be used as variable names any longer. In order to use with as a Python keyword in Python 2.5 or older, you will need to use the import fr...
How to assert output with nosetest/unittest in python?
...on't have to write setup and teardown functions just for this.
import sys
from contextlib import contextmanager
from StringIO import StringIO
@contextmanager
def captured_output():
new_out, new_err = StringIO(), StringIO()
old_out, old_err = sys.stdout, sys.stderr
try:
sys.stdo...
Knight's Shortest Path on Chessboard
...found using http://en.wikipedia.org/wiki/Dijkstra's_algorithm
Pseudo-code from wikipedia-page:
function Dijkstra(Graph, source):
for each vertex v in Graph: // Initializations
dist[v] := infinity // Unknown distance function from source to v
previous[v] := ...
What is cURL in PHP?
... or higher. In PHP
4.2.3, you will need libcurl version 7.9.0 or higher. From PHP 4.3.0, you will need a libcurl version that's
7.9.8 or higher. PHP 5.0.0 requires a libcurl version 7.10.5 or greater.
You can make HTTP requests without cURL, too, though it requires allow_url_fopen to be enabl...
pythonw.exe or python.exe?
...
Running a .pyw file from Notepad++ I still get a console window. To prevent this I have to double-click the file name to open the app. Only then do I see just the GUI and no console.
– Luther
Jul 28 at 6:54...
AngularJS : How to watch service variables?
...e/unkown objects might be interested in changes, use $rootScope.$broadcast from the item being changed.
Rather than creating your own registry of listeners (which have to be cleaned up on various $destroys), you should be able to $broadcast from the service in question.
You must still code the $...
Best way to hide a window from the Alt-Tab program switcher?
...f those things I don't know how to do properly. It's easy to hide a window from the taskbar via a property in both Windows Forms and WPF, but as far as I can tell, this doesn't guarantee (or necessarily even affect) it being hidden from the Alt + ↹Tab dialog. I've seen invisible windows show u...
How to use filter, map, and reduce in Python 3
...s in What's New In Python 3.0. You should read it thoroughly when you move from 2.x to 3.x since a lot has been changed.
The whole answer here are quotes from the documentation.
Views And Iterators Instead Of Lists
Some well-known APIs no longer return lists:
[...]
map() and filter() return iterat...
Is there a “theirs” version of “git merge -s ours”?
...red way.
The only thing I've seen cause problems is if files were deleted from branchB. They show up as conflicts if something other than git did the removal.
The fix is easy. Just run git rm with the name of any files that were deleted:
git rm {DELETED-FILE-NAME}
After that, the -X theirs shou...
Alternative for PHP_excel
... you share under which license you offer it? I had problems to decipher it from your answer resp. from the sources you linked but would be interested to learn more.
– hakre
Jun 4 '14 at 9:07
...