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Set selected item of spinner programmatically
...eCursorAdapter adapter = (SimpleCursorAdapter) spnr.getAdapter();
for (int position = 0; position < adapter.getCount(); position++) {
if(adapter.getItemId(position) == value) {
spnr.setSelection(position);
return;
}
}
}
You can use the above like:...
Removing duplicate objects with Underscore for Javascript
...ses a deep object comparison to check for duplicates (without resorting to converting to JSON, which is inefficient and hacky)
var newArr = _.filter(oldArr, function (element, index) {
// tests if the element has a duplicate in the rest of the array
for(index += 1; index < oldArr.length;...
View/edit ID3 data for MP3 files
...:
http://sourceforge.net/projects/mpg123net/
Included are the samples to convert mp3 file to PCM, and read ID3 tags.
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Using an RDBMS as event sourcing storage
...NOT NULL,
EventSourceId [uniqueidentifier] NOT NULL,
Sequence [bigint],
Data [nvarchar](max) NOT NULL
Table EventSources:
Id [uniqueidentifier] NOT NULL,
Type [nvarchar](255) NOT NULL,
Version [int] NOT NULL
The SQL persistence mechanism of Jonathan Oliver's Event Sto...
Initializing multiple variables to the same value in Java
... secondPerson = thirdPerson = new Person();
All the variables would be pointing to the same instance. Probably what you would need in that case is:
Person firstPerson = new Person();
Person secondPerson = new Person();
Person thirdPerson = new Person();
Or better yet use an array or a Collectio...
AngularJS and its use of Dollar Variables
...
Downvote converted to an up-. Assuming you're right, this is now a useful answer!
– David Rivers
May 6 '13 at 16:09
...
Fastest method to replace all instances of a character in a string [duplicate]
...nces of foo with bar in the string str. If you just have a string, you can convert it to a RegExp object like this:
var pattern = "foobar",
re = new RegExp(pattern, "g");
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How To Save Canvas As An Image With canvas.toDataURL()?
... create a dummy HTML anchor, and download the image from there like...
// Convert canvas to image
document.getElementById('btn-download').addEventListener("click", function(e) {
var canvas = document.querySelector('#my-canvas');
var dataURL = canvas.toDataURL("image/jpeg", 1.0);
downl...
Get list from pandas DataFrame column headers
...pears, again
cols
# ['A', 'B', 'C']
... if you're the kind of person who converts coffee to typing sounds, well, this is going consume your coffee more efficiently ;)
P.S.: if performance is important, you will want to ditch the
solutions above in favour of
df.columns.to_numpy().tolist()
# ...
Why are we not to throw these exceptions?
...ormation. Calling code catching for exceptions couldn’t disambiguate the intentionally thrown exception (from your logic) from other system exceptions that are entirely undesired and point out real faults.
The same reason also applies to SystemException. If you look at the list of derived types, ...