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Encode String to UTF-8
I have a String with a "ñ" character and I have some problems with it. I need to encode this String to UTF-8 encoding. I have tried it by this way, but it doesn't work:
...
How to “pretty” format JSON output in Ruby on Rails
...nController::Renderers.add :json do |json, options|
unless json.kind_of?(String)
json = json.as_json(options) if json.respond_to?(:as_json)
json = JSON.pretty_generate(json, options)
end
if options[:callback].present?
self.content_type ||= Mime::JS
"#{options[:callback]}(#{jso...
What is the difference between _tmain() and main() in C++?
...ce this for the main function, you get a program where an array of wchar_t strings are passed to the main function, which interprets them as char strings.
Now, in UTF-16, the character set used by Windows when Unicode is enabled, all the ASCII characters are represented as the pair of bytes \0 foll...
How do I automatically update a timestamp in PostgreSQL
... Says so in the Postgres documentation of the types. Varchar has extra CPU cycles to check for the constraint, which doesn't happen on TEXT.
– Rahly
Jun 21 '17 at 15:50
3...
How to make inline functions in C#
...n<T>, which is roughly equivalent to Func<T, T, int>.
Func<string, string, int> compare1 = (l,r) => 1;
Comparison<string> compare2 = (l, r) => 1;
Comparison<string> compare3 = compare1; // this one only works from C# 4.0 onwards
These can be invoked directly as...
Why do I need an IoC container as opposed to straightforward DI code? [closed]
...start writing.
You start with this:
public class Customer
{
public string FirstName { get; set; }
public string LastName { get; set; }
public DateTime CustomerSince { get; set; }
public string Status { get; set; }
}
..and end up with this:
public class UglyCustomer : INotifyPr...
Get URL query string parameters
What is the "less code needed" way to get parameters from a URL query string which is formatted like the following?
11 Answ...
Mismatch Detected for 'RuntimeLibrary'
I downloaded and extracted Crypto++ in C:\cryptopp. I used Visual Studio Express 2012 to build all the projects inside (as instructed in readme), and everything was built successfully. Then I made a test project in some other folder and added cryptolib as a dependency. After that, I added the includ...
How to convert an enum type variable to a string?
...
There really is no beautiful way of doing this. Just set up an array of strings indexed by the enum.
If you do a lot of output, you can define an operator<< that takes an enum parameter and does the lookup for you.
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Regular Expression for alphanumeric and underscores
I would like to have a regular expression that checks if a string contains only upper and lowercase letters, numbers, and underscores.
...