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Refresh Fragment at reload
...b into a TableView inside a Fragment . But when I reload the Fragment it displays the previous data. Can I repopulate the Fragment with current data instead of previous data?
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Editing dictionary values in a foreach loop
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Setting a value in a dictionary updates its internal "version number" - which invalidates the iterator, and any iterator associated with the keys or values collection.
I do see your point, but at the same time it would be odd if the values collection could change ...
Is the practice of returning a C++ reference variable evil?
This is a little subjective I think; I'm not sure if the opinion will be unanimous (I've seen a lot of code snippets where references are returned).
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Does PNG contain EXIF data like JPG?
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Edit: Version 1.5.0 (July 2017) of the Extensions to the PNG 1.2 Specification has finally added an EXIF chunk. It remains to be seen if encoders-decoders begin to support it.
Original: PNG does not embed EXIF info. It allows,...
Disabling browser print options (headers, footers, margins) from page?
...s question asked in a couple of different ways on SO and several other websites, but most of them are either too specific or out-of-date. I'm hoping someone can provide a definitive answer here without pandering to speculation.
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Can hash tables really be O(1)?
It seems to be common knowledge that hash tables can achieve O(1), but that has never made sense to me. Can someone please explain it? Here are two situations that come to mind:
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Where should signal handlers live in a django project?
... figuring out where I should put them. The documentation from the django site has this to say:
7 Answers
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How to declare variable and use it in the same Oracle SQL script?
I want to write reusable code and need to declare some variables at the beginning and reuse them in the script, such as:
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How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
...or something I'm working on right now. Thought I would post the answer for it in case anyone else had the same question.
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Filter LogCat to get only the messages from My Application in Android?
I observed that when i use Logcat with Eclipse with ADT for Android, I get messages from many other applications as well. Is there a way to filter this and show only messages from my own application only.
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