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What's the difference between SoftReference and WeakReference in Java?
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edited Oct 31 '18 at 10:34
itsmysterybox
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ans...
IOS: create a UIImage or UIImageView with rounded corners
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Gustavo Barbosa
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answered Oct 9 '11 at 19:20
yinkouyinkou
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how to convert binary string to decimal?
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answered Apr 21 '12 at 12:20
JonJon
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Using Predicate in Swift
...e as: searchResults = recipes.filter { resultPredicate.evaluateWithObject($0) }
– Ben Packard
May 18 '15 at 13:01
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How to match, but not capture, part of a regex?
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302
The only way not to capture something is using look-around assertions:
(?<=123-)((apple|ban...
How can I check whether a radio button is selected with JavaScript?
...atLeastOneRadio() {
return ($('input[type=radio]:checked').size() > 0);
}
For server-side validation (remember, you can't depend entirely on Javascript for validation!), it would depend on your language of choice, but you'd but checking the gender value of the request string.
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Replace non-ASCII characters with a single space
I need to replace all non-ASCII (\x00-\x7F) characters with a space. I'm surprised that this is not dead-easy in Python, unless I'm missing something. The following function simply removes all non-ASCII characters:
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Query EC2 tags from within instance
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answered Oct 8 '10 at 12:05
drxzcldrxzcl
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How to avoid 'cannot read property of undefined' errors?
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Update:
If you use JavaScript according to ECMAScript 2020 or later, see optional chaining.
TypeScript has added support for optional chaining in version 3.7.
// use it like this
obj?.a?.lot?.of?.properties
Solution for JavaScript before ECMASCript 2020 or TypeScript older ...
Define global variable in a JavaScript function
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760
Yes, as the others have said, you can use var at global scope (outside of all functions) to decl...