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Map over object preserving keys

... With Underscore Underscore provides a function _.mapObject to map the values and preserve the keys. _.mapObject({ one: 1, two: 2, three: 3 }, function (v) { return v * 3; }); // => { one: 3, two: 6, three: 9 } DEMO With Lodash Lodash provides a function _.mapVa...
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When to use inline function and when not to use it?

...at inline is a hint or request to compiler and its used to avoid function call overheads. 14 Answers ...
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How to export data as CSV format from SQL Server using sqlcmd?

...th '""' + col1 + '""' AS col1, wrapped in (doubled) double quotes or just call a stored procedure. – MisterIsaak Dec 11 '13 at 17:17 ...
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails

... there has to be a better and faster way to convert all routes that has undersore to hyphens – carbonr Mar 31 '13 at 17:59 ...
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Can I replace groups in Java regex?

I have this code, and I want to know, if I can replace only groups (not all pattern) in Java regex. Code: 7 Answers ...
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using jquery $.ajax to call a PHP function

This may be a simple answer, but I'm using jQuery's $.ajax to call a PHP script. What I want to do is basically put that PHP script inside a function and call the PHP function from javascript. ...
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How to determine height of UICollectionView with FlowLayout

...y question: I was completely searching in the wrong place, digging through all the documentation I could find on UICollectionView. The simple and easy solution lies in the underlying layout: Just call collectionViewContentSize on your myCollectionView.collectionViewLayout property and you get the h...
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Where is Erlang used and why? [closed]

...ng in its SMS and authentication systems. • Motorola is using Erlang in call processing products in the public-safety industry. • Ericsson uses Erlang in its support nodes, used in GPRS and 3G mobile networks worldwide. The most popular open source Erlang applications include the following: •...
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Changing Font Size For UITableView Section Headers

...wForHeaderInSection:(NSInteger)section { UILabel *myLabel = [[UILabel alloc] init]; myLabel.frame = CGRectMake(20, 8, 320, 20); myLabel.font = [UIFont boldSystemFontOfSize:18]; myLabel.text = [self tableView:tableView titleForHeaderInSection:section]; UIView *headerView = [[UIV...
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Date vs DateTime

... Unfortunately, not in the .Net BCL. Dates are usually represented as a DateTime object with the time set to midnight. As you can guess, this means that you have all the attendant timezone issues around it, even though for a Date object you'd want absolutely no timezone han...