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Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no
... I want to do : run a background thread which calculates ListView contents and update ListView partially, while results are calculated.
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Android: how to handle button click
Having a solid experience in non-Java and non-Android area, I'm learning Android.
10 Answers
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How do I find Waldo with Mathematica?
...y' outside of North America] puzzles, using Mathematica (image-processing and other functionality)?
5 Answers
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What is android:weightSum in android, and how does it work?
I want to know: What is android:weightSum and layout weight, and how do they work?
9 Answers
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Function overloading by return type?
...Contrary to what others are saying, overloading by return type is possible and is done by some modern languages. The usual objection is that in code like
int func();
string func();
int main() { func(); }
you can't tell which func() is being called. This can be resolved in a few ways:
Have a p...
Delete all local changesets and revert to tree
I'm using Mercurial and I've got into a terrible mess locally, with three heads. I can't push, and I just want to delete all my local changes and commits and start again with totally clean code and a clean history.
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Difference between Inheritance and Composition
Are Composition and Inheritance the same?
If I want to implement the composition pattern, how can I do that in Java?
17 Ans...
How to place and center text in an SVG rectangle
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An easy solution to center text horizontally and vertically in SVG:
Set the position of the text to the absolute center of the element in which you want to center it:
If it's the parent, you could just do x="50%" y ="50%".
If it's another element, x would be the x o...
Can the Android layout folder contain subfolders?
...ng every XML layout file inside the 'res/layout' folder, so it is feasible and simple to manage small projects, but when there is a case of large and heavy projects, then there should be a hierarchy and sub-folders needed inside the layout folder.
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MySQL: multiple tables or one table with many columns?
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Any time information is one-to-one (each user has one name and password), then it's probably better to have it one table, since it reduces the number of joins the database will need to do to retrieve results. I think some databases have a limit on the number of columns per table, but...