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What is the difference between .*? and .* regular expressions?
...come to this:
eeeAiiZuuuuAoooZeeee
\__________/
A.* matched, Z can now match
Now Z can match, so the overall pattern matches:
eeeAiiZuuuuAoooZeeee
\___________/
A.*Z matched
By contrast, the reluctant repetition in A.*?Z first matches as few . as possible, and then taking more . ...
Entity Framework rollback and remove bad migration
...se, but I realised that the last migration was bad and I don't want it. I know that I can rollback to a previous migration, but when I add a new (fixed) migration and run Update-Database, even the bad migration is applied.
...
List all the modules that are part of a python package?
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@chrisleague I was using ur method with python 2.7, but now I need to move on with python 3.4, so you know that in python 3 pkutil.iter_modules yields (module_finder, name, ispkg) instead of (module_loader, name, ispkg). What can I do to make it work like the previous one ?
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How do search engines deal with AngularJS applications?
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Update May 2014
Google crawlers now executes javascript - you can use the Google Webmaster Tools to better understand how your sites are rendered by Google.
Original answer
If you want to optimize your app for search engines there is unfortunately no way...
What is the list of possible values for navigator.platform as of today? [closed]
I know that this changes quite often, but is there a list as exhaustive as possible out there of the possible values returned by navigator.platform ?
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JavaScript and Threads
...ript Worker Threads
Apart from from Gears there's nothing available right now, but there's plenty of talk about how to implement this so I guess watch this question as the answer will no doubt change in future.
Here's the relevant documentation for Gears: WorkerPool API
WHATWG has a Draft Recomme...
How do I clone a Django model instance object and save it to the database?
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Worth noting that this quotes Django 1.2, we're now up to Django 1.4. Haven't tested whether or not this works, but don't use this answer without being sure that it works for you.
– Joe
Oct 4 '12 at 11:37
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What is the most efficient/elegant way to parse a flat table into a tree?
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Now that MySQL 8.0 supports recursive queries, we can say that all popular SQL databases support recursive queries in standard syntax.
WITH RECURSIVE MyTree AS (
SELECT * FROM MyTable WHERE ParentId IS NULL
UNION ALL...
What's the difference between console.dir and console.log?
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Now it seems that console.log and console.dir actually return the same representation on [1,2,3] in Firefox.
– xji
Jun 18 '18 at 16:27
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What is the difference between quiet NaN and signaling NaN?
...ardware (TODO confirm with GDB).
What do qNaNs and sNaNs do differently?
Now that we know what qNaNs and sNaNs look like, and how to manipulate them, we are finally ready to try and make sNaNs do their thing and blow some programs up!
So without further ado:
blow_up.cpp
#include <cassert>...