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Adding new column to existing DataFrame in Python pandas
...p that in mind, this is a very useful shortcut.
– VedTopkar
Sep 27 '14 at 2:37
2
@Eric Leschinski...
Differences between Oracle JDK and OpenJDK
... Technology Certification Kit).
Most of the vendors of JDK are written on top of OpenJDK by doing a few tweaks to [mostly to replace licensed proprietary parts / replace with more high-performance items that only work on specific OS] components without breaking the TCK compatibility.
Many vendors ...
LinkedBlockingQueue vs ConcurrentLinkedQueue
...agree with you on backpressure I have yet to see a "lock free" system from top to bottom. Somewhere in a technology stack whether its Node.js, Erlang, Golang, its using a some sort of wait strategy whether that is a blockingqueue (locks) or CAS spinning its blocking and some cases a traditional lock...
Is a successor for TeX/LaTeX in sight? [closed]
...l over layout of text on a page.
LaTeX was a later set of macros built on top of TeX that introduced "document management" capabilities like automatic numbering of equations and sections, cross-referencing, and so on. It goes by "LaTeX: a document preparation system".
One can very well imagine suc...
What does new self(); mean in PHP?
... not understand this becuase the code is just a fragment, somewhere in the top, there should be static members like probably
private static $_instance = NULL;
in normal classes we would have accessed this member by simply
$this->_instance = 'something';
but its declared static and so we co...
AngularJS- Login and Authentication in each route and controller
..., $log) {
$rootScope.$on("$stateChangeError", function (event, toState, toParams, fromState, fromParams, error) {
switch (error) {
case Access.UNAUTHORIZED:
$state.go("signIn");
break;
case Access.FORBIDDEN:
$state.go("forbidden");
break;
default:
...
Python: fastest way to create a list of n lists
...e, There is one construction, which appears to run the list constructor at top speed, but still is slower, but only by a tiny amount:
from itertools import starmap
l = list(starmap(list,[()]*(1<<n)))
Interesting enough the execution time suggests that it is the final list call that is makes...
Change the name of the :id parameter in Routing resources for Rails
...or a longer period of time.
EDIT (Nov 16, 2014): Rails 4 should be at the top now and include relevant information as it's been the current version of Rails for quite some time now.
EDIT (Aug 9, 2016): Reflect that the solution still works in Rails 5, and update outdated links.
...
YouTube iframe API: how do I control an iframe player that's already in the HTML?
...video.
A: Playback requires user interaction, and the presence of allow="autoplay" on the iframe. See https://developers.google.com/web/updates/2017/09/autoplay-policy-changes and https://developer.mozilla.org/en-US/docs/Web/Media/Autoplay_guide
Q: I have embedded a YouTube video using <iframe s...
Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
...original conflict resolution commit and allowed me to squash the others on top.
Hope that helps someone!
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