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Change Checkbox value without triggering onCheckChanged
...lementation of setChecked:
public void setChecked(boolean checked) {
if (mChecked != checked) {
mChecked = checked;
refreshDrawableState();
// Avoid infinite recursions if setChecked() is called from a listener
if (mBroadcasting) {
return;
}...
Is there an “exists” function for jQuery?
..., and for numbers 0 means false, everything else true. So you could write:
if ($(selector).length)
You don't need that >0 part.
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How do I check whether a file exists without exceptions?
How do I check if a file exists or not, without using the try statement?
39 Answers
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Case insensitive comparison NSString
...
if( [@"Some String" caseInsensitiveCompare:@"some string"] == NSOrderedSame ) {
// strings are equal except for possibly case
}
The documentation is located at Search and Comparison Methods
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How to check if anonymous object has a method?
How can I check if an anonymous object that was created as such:
6 Answers
6
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How to check if an element does NOT have a specific class?
How do I check if there isn't a class. For example, I know how to check to see if it has the class "test", but how do I check to see if it doesn't have the class "test"?
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How can I print a circular structure in a JSON-like format?
... to toss whatever circular references exist and send whatever can be stringified. How do I do that?
25 Answers
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How to remove leading and trailing whitespace in a MySQL field?
... only removes spaces - not tabs, formfeeds etc. A combination of TRIMs specifying other whitespace characters may provide a limited improvement e.g. TRIM(BOTH '\r' FROM TRIM(BOTH '\n' FROM TRIM(BOTH '\f' FROM TRIM(BOTH '\t' FROM TRIM(txt))))). But the problem with this approach is only a single char...
Is there a “not in” operator in JavaScript for checking object properties?
Is there any sort of "not in" operator in JavaScript to check if a property does not exist in an object? I couldn’t find anything about this around Google or Stack Overflow. Here’s a small snippet of code I’m working on where I need this kind of functionality:
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Fastest way to check if a value exists in a list
What is the fastest way to know if a value exists in a list (a list with millions of values in it) and what its index is?
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