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bind event only once
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If you can apply it, probably want to take a look at event.preventDefault and event.stopPropagation
OR unbind and bind each time, within your method like
function someMethod()
{
$(obj).off('click').on('click', function(e) ...
How do I trigger the success callback on a model.save()?
...l updates). So what is the purpose of the attribute name-values? (2) What if you just want to save the model after performing some .set()s - why the attribute list? (3) In the docs, the attribute list param is shown as optional. Can you clarify? Thanks.
– UpTheCreek
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Best way to convert string to bytes in Python 3?
There appear to be two different ways to convert a string to bytes, as seen in the answers to TypeError: 'str' does not support the buffer interface
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What is the meaning of the prefix N in T-SQL statements and when should I use it?
...database. This default code page may not recognize certain characters.
If you want to know the difference between these two data types, see this SO post:
What is the difference between varchar and nvarchar?
share
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How does delete[] know it's an array?
... result in undefined behavior. Your second main() example is unsafe, even if it doesn't immediately crash.
The compiler does have to keep track of how many objects need to be deleted somehow. It may do this by over-allocating enough to store the array size. For more details, see the C++ Super FA...
jQuery first child of “this”
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If you want to apply a selector to the context provided by an existing jQuery set, try the find() function:
element.find(">:first-child").toggleClass("redClass");
Jørn Schou-Rode noted that you probably only want to fi...
How can I convert a long to int in Java?
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Casting has different meanings for objects and for primitive types. (int) l doesn't try to treat a 64-bit integer as a 32-bit integer, it actually returns a different 32-bit integer with the same 32 lower order bits. With objects, you c...
Proper way to rename solution (and directories) in Visual Studio
...file method below (references disappearing), but it can result in problems if your project is under source control (see notes below). This is why step 2 (backup) is so important.
Close Visual Studio.
Create a backup of your .sln file (you can always roll back).
Imagine you want to rename director...
Removing items from a list [duplicate]
...= list.listIterator(); iter.hasNext(); ) {
String a = iter.next();
if (...) {
iter.remove();
}
}
Making an additional assumption that the list is of strings.
As already answered, an list.iterator() is needed. The listIterator can do a bit of navigation too.
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Check whether a string matches a regex in JS
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Use regex.test() if all you want is a boolean result:
console.log(/^([a-z0-9]{5,})$/.test('abc1')); // false
console.log(/^([a-z0-9]{5,})$/.test('abc12')); // true
console.log(/^([a-z0-9]{5,})$/.test('abc123')); // true
...a...