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How to “pretty” format JSON output in Ruby on Rails
...g to do with this patch. Also, Time.parse returns the same result when you convert the string back to time for both formats. It'd only be a minor inconvenience when searching logs for time stamps, but if you're grepping anyway adding a few \s+ isn't really a big deal.
– con--
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“Cloning” row or column vectors
...is useful to "clone" a row or column vector to a matrix. By cloning I mean converting a row vector such as
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Generate random number between two numbers in JavaScript
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a | 0 is also the fastest and most optimized way to convert a string to an integer. It only works with strings containing integers ("444" and "-444"), i.e. no floats/fractions. It yields a 0 for everything that fails. It is one of the main optimizations behind asm.js.
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PostgreSQL LIKE query performance variations
...out creating an index on the lowercase value of the field. That way I can convert the query text to lowercase on the backend before querying.
– Jason
Oct 14 '09 at 15:03
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How much is the overhead of smart pointers compared to normal pointers in C++?
...11? In other words, is my code going to be slower if I use smart pointers, and if so, how much slower?
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How to get a group of toggle buttons to act like radio buttons in WPF?
...Style>
Then you can use the SelectionMode property of the ListBox to handle SingleSelect vs MultiSelect.
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How to check whether a string is Base64 encoded or not
... You can use also Base64.isBase64(String base64) instead of converting it to byte array yourself.
– Sasa
Feb 27 '14 at 12:00
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Use of var keyword in C#
...eadable in some cases. If I have a Customer class with an Orders property, and I want to assign that to a variable, I will just do this:
var orders = cust.Orders;
I don't care if Customer.Orders is IEnumerable<Order>, ObservableCollection<Order> or BindingList<Order> - all I wan...
how to create a Java Date object of midnight today and midnight tomorrow?
... If you did something like System.out.print(date), the system converted the date instance into the system time zone (CDT). 7pm in CDT is midnight in GMT. If you need a midnight in a selected time zone, you have to add this time zone's offset, taking DST into account.
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Removing the title text of an iOS UIBarButtonItem
...ButtonItem(title:"", style: .Plain, target: nil, action: nil). Not hard to convert from Obj-C to Swift, but I'll save you the troublef
– Zoyt
Jun 30 '14 at 20:32
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