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Can a C++ enum class have methods?
... seem to imply that your enum has class traits too, but it's not the case. My educated guess is that the choice of the keywords was inspired by the pattern we used before C++11 to get scoped enums:
class Foo {
public:
enum {BAR, BAZ};
};
However, that's just syntax. Again, enum class is not a c...
Rails: how do I validate that something is a boolean?
...alidator like validates_numericality_of for boolean or do I need to roll my own?
5 Answers
...
How to get a complete list of ticker symbols from Yahoo Finance? [closed]
... As you wrote, I might not get all tickers this way and for my project it's either all (complete liste) or it doesn't matter. But thank you very much for the thorough answer, GSee. Appreciate it! Have a great day :-)
– rassom
Jul 11 '12 at 8:00
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How do you manually execute SQL commands in Ruby On Rails using NuoDB
...n a set of values as a hash and put them into the results variable.
So on my rails application_controller.rb I added this:
def execute_statement(sql)
results = ActiveRecord::Base.connection.execute(sql)
if results.present?
return results
else
return nil
end
end
Using execute_sta...
How do you use https / SSL on localhost?
I would like to know how to setup SSL on my web application on the localhost.
3 Answers
...
Most efficient conversion of ResultSet to JSON?
...e the "Support for user-defined streaming type adapters". Then I'll modify my adapter to be a streaming adapter.
Update
As promised I'm back but not with Gson, instead with Jackson 2. Sorry to be late (of 2 years).
Preface: The key to use less memory of the result itsef is in the "server side" ...
RabbitMQ message size and types
...a. I want to send complex messages with sub objects in the fields. I use my own message object. The message object has two additional methods toBytes and fromBytes that convert to and from the bytestream. I use routing keys that leave no doubt as to what type of message the consumer is receiving...
How do you determine the size of a file in C?
...only way to get the file size on many non-posix compliant systems (such as my very minimalistic mbed)
– Earlz
Mar 2 '12 at 23:36
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How do I make a textbox that only accepts numbers?
... return;
}
base.WndProc(ref m);
}
Update 2017: My first answer has some issues:
you can type something that's longer than an integer of a given type (for example 2147483648 is greater than Int32.MaxValue);
more generally, there's no real validation of the result of what...
jQuery - get a list of values of an attribute from elements of a class
.../div>
<div class="object" level="5">placeholder</div>
For my code I get "1000" alerted to me.
Here's another solution, combining several of the other replies from harpo, lomaxx, and Kobi:
jQuery(document).ready(function(){
var list = $(".object[level]").map(function(){
...