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Why are trailing commas allowed in a list?
...t it's also simpler to define the grammar that way? ;) Compare List = "[" {Item ","} "]". vs. List = "[" ({Item","}Item|)"]".
– Voo
Jul 22 '12 at 12:41
23
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How to make links in a TextView clickable?
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This answer is the best. Works on every Android version and we just need to add that method when the text in set in the TextView. Bonus : it allow us to add customizable links clickable
– Kerwan
Dec 5 '14 ...
Filtering collections in C#
... How does this work for filtering by strings. Like finding all items in a list of strings that start with "ch"
– joncodo
Oct 27 '11 at 14:38
2
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How to get all subsets of a set? (powerset)
...f and noticed it was significantly slower. To generate the power set of 16 items 100 times, my measurements were 0.55 versus 15.6.
– Ceasar Bautista
Feb 23 '18 at 7:40
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Difference between SelectedItem, SelectedValue and SelectedValuePath
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Their names can be a bit confusing :). Here's a summary:
The SelectedItem property returns the entire object that your list is bound to. So say you've bound a list to a collection of Category objects (with each Category object having Name and ID properties). eg. ObservableCollection<Catego...
How to merge 2 JSON objects from 2 files using jq?
...": {"a": 1}}' '{"A": {"b": 2}}' '{"B": 3}' |\
jq --slurp 'reduce .[] as $item ({}; . * $item)'
{
"A": {
"a": 1,
"b": 2
},
"B": 3
}
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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
...ions.
The following code did NOT work for me:
def change
create_table :item_references do |t|
t.text :item_unique_id
t.belongs_to :referenceable, polymorphic: true
t.timestamps
end
add_index :item_references, [:referenceable_id, :referenceable_type], name: 'idx_item_refs'
end
T...
What's the difference between the various methods to get a Context?
... 2.3.3.
I hope my comment have not bored you so far, and wish you all the best. Happy coding ;-)
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the item you requested is not available for purchase
...o create in app billing in your developer console and finally activate the item from the console!!! (this is the one that got me after fully following google's tutorial)
Make sure to set VersionCode and VersionName in the manifest to be the same as the version in the developer console (Alpha, Beta o...
Why do some claim that Java's implementation of generics is bad?
...ar for castingi Objects).
(1) leads to some very strange behaviour. The best example I can think of is. Assume:
public class MyClass<T> {
T getStuff() { ... }
List<String> getOtherStuff() { ... }
}
then declare two variables:
MyClass<T> m1 = ...
MyClass m2 = ...
Now ca...