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How to find the array index with a value?

...code marked as the correct answer but it seems that that code wont work in all versions of IE. This answer works in all versions of IE but I changed the code slightly: var arrayPosition = $.inArray( value, Array ); works perfectly – James Blackburn Dec 13 '13 ...
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autolayout - make height of view relative to half superview height

...een getting into autolayouts recently and I'm stuck on what seems like a really trivial problem example. I have a view that I want to sit at the top of the screen, and take up half of the screen-height. Simple before autolayout - just tack it in place and tell it to expand vertically when the superv...
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How to set focus on input field?

...nction ($timeout, $parse) { return { //scope: true, // optionally create a child scope link: function (scope, element, attrs) { var model = $parse(attrs.focusMe); scope.$watch(model, function (value) { console.log('value=', value); ...
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How do I remove duplicate items from an array in Perl?

...is as demonstrated in perlfaq4: sub uniq { my %seen; grep !$seen{$_}++, @_; } my @array = qw(one two three two three); my @filtered = uniq(@array); print "@filtered\n"; Outputs: one two three If you want to use a module, try the uniq function from List::MoreUtils ...
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C++ catching all exceptions

... try{ // ... } catch (...) { // ... } will catch all C++ exceptions, but it should be considered bad design. You can use c++11's new current_exception mechanism, but if you don't have the ability to use c++11 (legacy code systems requiring a rewrite), then you have no name...
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what is the difference between 'transform' and 'fit_transform' in sklearn

...is meant for when you have already computed PCA, i.e. if you have already called its .fit method. In [12]: pc2 = RandomizedPCA(n_components=3) In [13]: pc2.transform(X) # can't transform because it does not know how to do it. -------------------------------------------------------------------------...
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Accessing nested JavaScript objects and arays by string path

... great stuff; using the lodash library, one can also do: _.get(object, nestedPropertyString); – ian Aug 13 '15 at 12:49 17 ...
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Does order of where clauses matter in SQL?

Let's say I have a table called PEOPLE having 3 columns ID, LastName, FirstName , none of these columns are indexed. LastName is more unique, and FirstName is less unique. ...
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Displaying better error message than “No JSON object could be decoded”

... also up on PYPI: https://pypi.python.org/pypi/rson/0.9 so you can use easy_install or pip to get it. for the example given by tom: >>> rson.loads('[1,2,]') ... rson.base.tokenizer.RSONDecodeError: Unexpected trailing comma: line 1, column 6, text ']' RSON is a designed to be a superset...
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How do I do an OR filter in a Django query?

... @alexis: you could also do Item.objects.filter(creator__in=creators), for example. – Kevin London Dec 9 '14 at 23:11 4 ...