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ViewPager.setOffscreenPageLimit(0) doesn't work as expected
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The best solution is now deprecated
– M.Sameer
Jun 25 '19 at 22:28
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Can I nest a element inside an using HTML5?
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Right now I have an <a> inside the <button> (with the same href) as a backup if JS is disabled, and six months from now I'm definitely going to be embarrassed that I admitted that.
– TheDudeAbides
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Does a foreign key automatically create an index?
...en two tables - that has nothing to do with an index per se.
But it is a known fact that it makes a lot of sense to index all the columns that are part of any foreign key relationship, because through a FK-relationship, you'll often need to lookup a relating table and extract certain rows based on ...
Ubuntu says “bash: ./program Permission denied” [closed]
...s for files on external volumes, but that is beyond the scope I can answer now.)
– Eric Postpischil
Sep 13 '18 at 18:52
2
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How do I get the object if it exists, or None if it does not exist?
...u can do it this way:
go = Content.objects.filter(name="baby").first()
Now go variable could be either the object you want or None
Ref: https://docs.djangoproject.com/en/1.8/ref/models/querysets/#django.db.models.query.QuerySet.first
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Algorithm to generate all possible permutations of a list?
Say I have a list of n elements, I know there are n! possible ways to order these elements. What is an algorithm to generate all possible orderings of this list? Example, I have list [a, b, c]. The algorithm would return [[a, b, c], [a, c, b,], [b, a, c], [b, c, a], [c, a, b], [c, b, a]].
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How do I make an HTML text box show a hint when empty?
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That is known as a textbox watermark, and it is done via JavaScript.
http://naspinski.net/post/Text-Input-Watermarks-using-Javascript-(IE-Compatible).aspx
or if you use jQuery, a much better approach:
http://digitalbush.com/proj...
Downcasting in Java
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@UnKnown: it shouldn't. Double check that you actually compiled and ran that version and if you can still reproduce it, post a separate question (with an SSCCE).
– Joachim Sauer
Apr 20 '16 a...
How to write iOS app purely in C
...plicationMain(int, ...);
// Entry point of the application. If you don't know what this is by now,
// then you probably shouldn't be reading the rest of this post.
int main(int argc, char *argv[])
{
// Create an @autoreleasepool, using the old-stye API.
// Note that while NSAutoreleasePoo...
What is the best way to unit test Objective-C code?
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Xcode 5 now has XCTest does it still include OCUnit? Will you update your answer with information for XCode 5.
– BrightIntelDusk
Mar 24 '14 at 22:48
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