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Strip html from string Ruby on Rails
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Yes, call this: sanitize(html_string, tags:[])
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vector::at vs. vector::operator[]
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I'd say the exceptions that vector::at() throws aren't really intended to be caught by the immediately surrounding code. They are mainly useful for catching bugs in your code. If you need to bounds-check at runtime because e.g. the index comes from user input, you're indeed best of...
JPA: unidirectional many-to-one and cascading delete
...e as ON DELETE CASCADE. You'll need to invoke EntityManager.clear() after calling EntityManager.remove(parent) as the persistence context needs to be refreshed - the child entities are not supposed to exist in the persistence context after they've been deleted in the database.
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Check if option is selected with jQuery, if not select a default
...ot work in Internet Explorer 8, so @gradbot has it right, as this works in all Browsers.
– Sorcy
Jul 18 '12 at 11:15
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jQuery: Adding two attributes via the .attr(); method
... is that it does not correspond to the checked property. The attribute actually corresponds to the defaultChecked property and should be used only to set the initial value of the checkbox. The checked attribute value does not change with the state of the checkbox, while the checked property does
So...
Which is better, number(x) or parseFloat(x)?
..., I find Number to be more reasonable, so I almost always use Number personally (and you'll find that a lot of the internal JavaScript functions use Number as well). If someone types '1x' I prefer to show an error rather than treat it as if they had typed '1'. The only time I really make an exceptio...
Remove scrollbar from iframe
...t work because the overflow happens in the iframe document, which you generally won't be able to modify because of cross-domain iframe security restrictions.
– thdoan
Apr 17 '15 at 11:09
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How to compare two dates?
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@Emadpres: imagine this was typed manually. The past line was typed first, while the present line was typed second... so the past line was entered first, so past < present is True.
– ramcdougal
Mar 20 '17 at 15:50
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Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]
...to use javascript. You make a request and results are encapsulated into a callback function which is run in the client. It's the same as linking a new script tag into the head part of your html (you know that you can load scripts from different domains than yours here).
However, to use jsonp the ser...
Regular expression to match a word or its prefix
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Square brackets are meant for character class, and you're actually trying to match any one of: s, |, s (again), e, a, s (again), o and n.
Use parentheses instead for grouping:
(s|season)
or non-capturing group:
(?:s|season)
Note: Non-capture groups tell the engine that it doesn...