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How do I add 1 day to an NSDate?
... Yes works well for daylight savings. Tip for DST check: Reset date and time on your mac and then restart your simulator, it will then follow your system time.
– Rob van den Berg
Apr 1 '13 at 5:00
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Java associative-array
How can I create and fetch associative arrays in Java like I can in PHP?
15 Answers
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Regex exactly n OR m times
...ou are doing it is fine.
An alternative is:
X{m}(X{k})?
where m < n and k is the value of n-m.
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Does Python have a string 'contains' substring method?
... Under the hood, Python will use __contains__(self, item), __iter__(self), and __getitem__(self, key) in that order to determine whether an item lies in a given contains. Implement at least one of those methods to make in available to your custom type.
– BallpointBen
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How to find indices of all occurrences of one string in another in JavaScript?
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new RegExp(searchStr) would be the way, and yes, in the general case you would have to escape special characters. It's not really worth doing unless you need that level of generality.
– Tim Down
Aug 4 '10 at 23:43
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Scroll Automatically to the Bottom of the Page
...ight not scroll. In this case, you need to target the element that scrolls and use it's scroll height instead.
window.scrollTo(0,document.querySelector(".scrollingContainer").scrollHeight);
You can tie that to the onclick event of your question (i.e. <div onclick="ScrollToBottom()" ...).
Som...
Hide text using css
...n issue with this method since only the text before word-wrap is indented, and the W3C spec doesn't specify a situation for negative indent so this could have unpredictable results
– Chris Farmiloe
Jan 23 '09 at 1:34
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Escaping single quote in PHP when inserting into MySQL [duplicate]
... know is a bad idea). This means that strings gathered from $_GET, $_POST and $_COOKIES are escaped for you (i.e., "O'Brien" -> "O\'Brien").
Once you store the data, and subsequently retrieve it again, the string you get back from the database will not be automatically escaped for you. You'll g...
How to find the size of an array in postgresql
...e trick. Or if you know that the array is 1-dimensional (which is likely) and are running PostgreSQL 9.4 or higher, you can use cardinality:
SELECT cardinality(id) FROM example;
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Is it .yaml or .yml?
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The nature and even existence of file extensions is platform-dependent (some obscure platforms don't even have them, remember) -- in other systems they're only conventional (UNIX and its ilk), while in still others they have definite se...