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Callback to a Fragment from a DialogFragment
Question: How does one create a callback from a DialogFragment to another Fragment. In my case, the Activity involved should be completely unaware of the DialogFragment.
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...pent in iostream library code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer management does give an order of magnitude improvement.
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What would cause an algorithm to have O(log n) complexity?
...e you see an O(log n) algorithm... where on earth does that logarithm come from? However, it turns out that there's several different ways that you can get a log term to show up in big-O notation. Here are a few:
Repeatedly dividing by a constant
Take any number n; say, 16. How many times can y...
Is there a way to iterate over a range of integers?
...on version of the for loop (i.e. you can do a lot more with it, the syntax from the OP is only good for that more restricted case of a number range, so in any language you're going to want this extended version) and it sufficiently accomplishes the same task, and isn't remarkably different anyway, s...
Error starting jboss server
..., and now I get this error like never before when I tried to start Jboss 5 from eclipse, its quite big exeption :
2 Answers...
How to always show scrollbar
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There are 2 ways:
from Java code: ScrollView.setScrollbarFadingEnabled(false);
from XML code: android:fadeScrollbars="false"
Simple as that!
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Interpret XMP-Metadata in ALAssetRepresentation
...age
uint8_t *buffer = (Byte*)malloc(representation.size); // Copy the data from the asset into the buffer
NSUInteger length = [representation getBytes:buffer fromOffset: 0.0 length:representation.size error:nil];
if (length==0)
return nil;
// Convert the buffer into a NSData object, and free ...
How is mime type of an uploaded file determined by browser?
...termine the MIME type and does so in a certain order. The snippet below is from file src/net/base/mime_util.cc, method MimeUtil::GetMimeTypeFromExtensionHelper.
// We implement the same algorithm as Mozilla for mapping a file extension to
// a mime type. That is, we first check a hard-coded list (t...
How do I change read/write mode for a file using Emacs?
... is set to read only mode, how do I change it to write mode and vice versa from within Emacs?
9 Answers
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How do I install an old version of Django on virtualenv?
...ere : docs.djangoproject.com/en/2.0/releases oddly I didn't find this page from the django doc. replace '2.0' by '2.1' in some months..
– jerome
Mar 3 '18 at 12:27
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