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Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
... list containing names. This list should be modifiable (add, delete, sort, etc). However, whenever I tried to change the items in the ArrayAdapter, the program crashed, with java.lang.UnsupportedOperationException error. Here is my code:
...
Clearing purchases from iOS in-app purchase sandbox for a test user
...r changes to app state for this purchase,
// register in keychain, etc.
break ;
//.. other cases
}
}
}
The question of having your app logic / take back the purchase is simple: if you're caching purchases in keychain, delete your keychain. If you're doing it some ot...
Only read selected columns
...ion and as a result, unconstrained. You will need to filter out blank rows etc upon import.
– Gavin Simpson
May 15 '17 at 18:53
1
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Why does .NET foreach loop throw NullRefException when collection is null?
...an be extended further in interesting ways (for loops, reversing, leaping, etc). Thanks for sharing.
– Lara
Feb 16 '17 at 17:08
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if A vs if A is not None:
... And many other values too, such as empty list, empty set, empty tuple etc. Essentially, anything that is not truthy per docs.python.org/3/library/stdtypes.html#truth-value-testing.
– jarmod
Dec 4 '19 at 23:46
...
Fastest way to check if a string matches a regexp in ruby?
...remove anchors, try limiting searches, use wildcards vs. explicit matches, etc.
The Fruity gem is very useful for quickly benchmarking things, because it's smart. Ruby's built-in Benchmark code is also useful, though you can write tests that fool you by not being careful.
I've used both in many an...
boolean in an if statement
...on-zero number, any non-empty string value, any object or array reference, etc...
On the other hand:
if (booleanValue === true)
This will only satisfy the if condition if booleanValue is exactly equal to true. No other truthy value will satisfy it.
On the other hand if you do this:
if (someV...
How to set up tmux so that it starts up with specified windows opened?
...t needed. Remove to use default socket
rvm: 1.9.2@rails_project
pre: sudo /etc/rc.d/mysqld start
tabs:
- editor:
layout: main-vertical
panes:
- vim
- #empty, will just run plain bash
- top
- shell: git pull
- database: rails db
- server: rails s
- logs: ...
Python timedelta in years
...of doing it without subtracting the years, then the months, then the days, etc... in the two formatted dates
– Litherum
Jan 14 '11 at 19:00
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What must I know to use GNU Screen properly? [closed]
...e ground up. What are some analogies and handy tips for remembering binds, etc.?
18 Answers
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