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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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C# List to string with delimiter
... Thanks for the fast replies, both works fine. You're right I did a small performance measurement using Stopwatch class and the linq-way is much slower: String.Join(", ", names.ToArray()); --> took 18 ticks Aggregate((a, b) => a + ", " + b) --> took 736 ticks
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JavaScript arrays braces vs brackets
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
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Converting String array to java.util.List
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
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How to toggle a boolean?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
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How do I explicitly specify a Model's table-name mapping in Rails?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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Convert UNIX epoch to Date object
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Try dividing that by 1000: as.POSIXct(1415560016876/1000, origin="1970-01-01") gets "2014-11-09 13:06:56.875 CST" and you need to ensure whether seconds are expected (as for R) or milliseconds.
– Dirk Eddelbue...
How can I listen for a click-and-hold in jQuery?
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var timeoutId = 0;
$('#myElement').on('mousedown', function() {
timeoutId = setTimeout(myFunction, 1000);
}).on('mouseup mouseleave', function() {
clearTimeout(timeoutId);
});
Edit: correction per AndyE...thanks!
Edit 2: usi...
In Clojure, when should I use a vector over a list, and the other way around?
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While you're on freenode, come to the dark side and join #stackoverflow! :-P
– Chris Jester-Young
Jul 18 '09 at 17:31
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