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Android: How can I pass parameters to AsyncTask's onPreExecute()?
...
This is quite exactly what I did now. I still need a member variable but in the AsyncTask and not the outer class if that's what you mean. This is what I did: private class MyAsyncTask extends AsyncTask<Void, Void, Void> { private boole...
How do I empty an array in JavaScript?
... original array. Benchmarks suggest that this has no effect on performance whatsoever.
Method 4 (as suggested by tanguy_k)
while(A.length > 0) {
A.pop();
}
This solution is not very succinct, and it is also the slowest solution, contrary to earlier benchmarks referenced in the original an...
How to reset Android Studio
...projects, all gradle files so that it would act like a fresh installation. What steps do I have to follow to achieve this?
...
Convert floating point number to a certain precision, and then copy to string
...er.
Example:
print(f'{numvar:.9f}')
More reading about the new f string:
What's new in Python 3.6 (same link as above)
PEP official documentation
Python official documentation
Really good blog post - talks about performance too
Here is a diagram of the execution times of the various tested method...
How to lose margin/padding in UITextView?
...niversary of this question and it's still not fixed!
Finally, here's a somewhat similar tip for TextField: https://stackoverflow.com/a/43099816/294884
Completely random tip: how to add the "..." on the end
Often you are using a UITextView "like a UILabel". So you want it to truncate text using an e...
Converting ISO 8601-compliant String to java.util.Date
... up using DatatypeFactory myself as DataTypeConverterImpl did internally. What a headache.
– gtrak
Dec 1 '10 at 21:04
3
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Is there a JavaScript / jQuery DOM change listener?
...ion occurs
console.log(mutations, observer);
// ...
});
// define what element should be observed by the observer
// and what types of mutations trigger the callback
observer.observe(document, {
subtree: true,
attributes: true
//...
});
This example listens for DOM changes on documen...
In Git, how can I write the current commit hash to a file in the same commit
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I would recommend doing something similar to what you have in mind: placing the SHA1 in an untracked file, generated as part of the build/installation/deployment process. It's obviously easy to do (git rev-parse HEAD > filename or perhaps git describe [--tags] > f...
Is it bad practice to make a setter return “this”?
...lls or default values, and it gets hard to know which value corresponds to what)
Several overloaded constructors (downside: gets unwieldy once you have more than a few)
Factory/static methods (downside: same as overloaded constructors - gets unwieldy once there is more than a few)
If you're only g...
#pragma pack effect
I was wondering if someone could explain to me what the #pragma pack preprocessor statement does, and more importantly, why one would want to use it.
...