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Greedy vs. Reluctant vs. Possessive Quantifiers
...acks one more step (leaving the "foo" at the end of the string unmatched). Now, the matcher finally matches the f in the regex, and the o and the next o are matched too. Success!
A reluctant or "non-greedy" quantifier first matches as little as possible. So the .* matches nothing at first, leaving ...
UITableViewCell with UITextView height in iOS 7?
...lowing will work equally for both iOS 7 and older versions and as of right now does not include any methods, that are deprecated.
Simple Solution
- (CGFloat)textViewHeightForAttributedText: (NSAttributedString*)text andWidth: (CGFloat)width {
UITextView *calculationView = [[UITextView alloc] in...
Any shortcut to initialize all array elements to zero?
... a container object that holds a fixed number of values of a single type.
Now the Type of array for you is int so consider the default value for all array elements will be automatically 0 Because it is holding int type.
Now consider the array for String type so that all array elements has default ...
How to check a not-defined variable in JavaScript
...-assignable was fixed in ECMAScript 5, which was released in 2009. You can now safely use === and !== to test for undefined without using typeof as undefined has been read-only for some time.
If you want to know if a member exists independent but don't care what its value is:
if ('membername' in o...
How to set timeout on python's socket recv method?
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It's better now, but I don't see where the answer was "explicitly rejected".
– nosklo
Apr 28 '10 at 18:31
7
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How to prevent form from being submitted?
...
}
</script>
<form onsubmit="return toSubmit();" >
Demo
Now, this may be not a good idea when making big projects. You may need to use Event Listeners.
Please read more about Inline Events vs Event Listeners (addEventListener and IE's attachEvent) here. For I can not explain it m...
Facebook Graph API, how to get users email?
...
thank you for this.. nothing else worked except this. now it's working fine! :)
– supersan
Jul 11 '18 at 17:45
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使用 XML 和 Web 服务 · App Inventor 2 中文网
...pair just as in the last example above, except that the list of pairs will now include an additional pair (content, (happy sad)) where the second item in the additional pair is the list of strings “happy” and “sad”.
It is also possible that the XML contains elements with attributes, for exa...
jQuery UI sliders on touch devices
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Now I can move the slider-handle all over the page!! This is ridiculous.
– dezman
May 24 '13 at 15:17
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How to check if object property exists with a variable holding the property name?
...otypeOf(yoshi, hattori);
if ("sneak" in yoshi)
console.log("Yoshi can now sneak");
if (!("creep" in hattori))
console.log("Hattori cannot creep");
Object.setPrototypeOf(hattori, kuma);
if ("creep" in hattori)
console.log("Hattori can now creep");
if ("creep" in yoshi)
console.log(...