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How long do browsers cache HTTP 301s?
I am debugging a problem with a HTTP 301 Permanent Redirect. After a quick test, it seems that Safari clears its cache of 301s when it is restarted, but Firefox does not.
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What is the difference between SQL, PL-SQL and T-SQL?
...d the like. These additions make T-SQL comply with the Turing completeness test, a test that determines the universality of a computing language. SQL is not Turing complete and is very limited in the scope of what it can do.
Another significant difference between T-SQL and SQL is the changes done t...
Check if an image is loaded (no errors) with jQuery
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I've tested the interesting reads above and they fail between cached/uncached tests on a handful of common browsers. This answer is similar to another but is the one I implemented & tested just now, I can confirm it works on: ...
Django Rest Framework: Dynamically return subset of fields
...ember of context. While it does in production it doesn't when running unit tests that create the objects manually.
– smitec
Sep 21 '15 at 1:11
21
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What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?
...nes its vertical layout option to the stack layout. This way we can easily test the interaction of views with parents, both with different layout option.
(The last few lines of code add additional yellow boxes. We'll come back to this in a moment.)
public static class App
{
static readonly S...
Hide options in a select list using jQuery
... Here is an answer that works cross browser - with an example here - I've tested in IE6-9, Chrome and FF
– Tr1stan
Dec 7 '11 at 8:43
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MySQL Update Inner Join tables query
... said the query yielded a syntax error, I created some tables that I could test it against and confirmed that there is no syntax error in my query:
mysql> create table business (business_id int unsigned primary key auto_increment, mapx varchar(255), mapy varchar(255)) engine=innodb;
Query OK, 0 ...
How to call a parent method from child class in javascript?
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it works also for methods that are not static (tested with Chrome, with no transpiliing, not tryed the static keyword)
– Gianluca Casati
Mar 10 '18 at 13:15
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What is __init__.py for?
...was required under Python 2.X and is still required under Python 2.7.12 (I tested it) but it is no longer required from (allegedly) Python 3.3 onwards, and is not required under Python 3.4.3 (I tested it). See stackoverflow.com/questions/37139786 for more details.
– Rob_before...
What is a provisioning profile used for when developing iPhone applications?
... an authorized iPhone Development Team and enables a device to be used for testing. A Development Provisioning Profile must be installed on each device on which you wish to run your application code. Each Development Provisioning Profile will contain a set of iPhone Development Certificates, Unique ...