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Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
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I tried it out, myself...Found it didn't work. So i check out the source code of ArrayAdapter and found out the problem. The ArrayAdapter, on being initialized by an array, converts the array into a AbstractList (List) which cannot be modified.
Solution
Use a...
Convert String to equivalent Enum value
...public enum Day {
SUNDAY, MONDAY, TUESDAY, WEDNESDAY,
THURSDAY, FRIDAY, SATURDAY
}
You could do this:
String day = "SUNDAY";
Day dayEnum = Day.valueOf(day);
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Java system properties and environment variables
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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brew install gcc too time consuming
I'm doing a clean install of Mavericks, and accidentally did
1 Answer
1
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SQL Query Where Field DOES NOT Contain $x
...eld1 NOT LIKE '%$x%'; (Make sure you escape $x properly beforehand to avoid SQL injection)
Edit: NOT IN does something a bit different - your question isn't totally clear so pick which one to use. LIKE 'xxx%' can use an index. LIKE '%xxx' or LIKE '%xxx%' can't.
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Requests — how to tell if you're getting a 404
...n context; if the status code is not an error code (4xx or 5xx), it is considered ‘true’:
if r:
# successful response
If you want to be more explicit, use if r.ok:.
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What is the difference between MySQL Server and MySQL Client
...omputer or your own.
The mysql server is used to persist the data and provide a query interface for it (SQL).
The mysql clients purpose is to allow you to use that query interface.
The client package also comes with utilities that allows you to easily backup/restore data and administer the server....
Line continuation for list comprehensions or generator expressions in python
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Specifically, line breaks are ignored inside any brackets - (), [] and {}.
– user395760
Apr 27 '11 at 19:03
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Which regular expression operator means 'Don't' match this character?
...tead of specifying all the characters literally, you can use shorthands inside character classes: [\w] (lowercase) will match any "word character" (letter, numbers and underscore), [\W] (uppercase) will match anything but word characters; similarly, [\d] will match the 0-9 digits while [\D] matches...
Django removing object from ManyToMany relationship
... This was just useful to me (I was about to loop through and didn't want to). Thanks for posting it!
– bwv549
Nov 9 '17 at 22:01
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