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How do I create a class instance from a string name in ruby?

...lass and I want to create an instance of that class so that I can loop through each rails attribute that is present in the schema of that class. ...
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How can I catch a ctrl-c event?

... signal isn't the most reliable way as it differs in implementations. I would recommend using sigaction. Tom's code would now look like this : #include <signal.h> #include <stdlib.h> #include <stdio.h> #include <unistd.h> void my_handler(int s){ printf("Caught s...
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function declaration isn't a prototype

... In C int foo() and int foo(void) are different functions. int foo() accepts an arbitrary number of arguments, while int foo(void) accepts 0 arguments. In C++ they mean the same thing. I suggest that you use void consistently when you mean no arguments. If you have a varia...
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MySQL/SQL: Group by date only on a Datetime column

Having a table with a column like: mydate DATETIME ... 4 Answers 4 ...
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Filter Fiddler traffic

Is it possible to instruct Fiddler to only show me traffic directed to a specific host name? In other words, can Fiddler traffic be filtered for Host? ...
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MySQL convert date string to Unix timestamp

How do I convert the following format to unix timestamp? 4 Answers 4 ...
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Ruby on Rails: How do I add placeholder text to a f.text_field?

...text to my f.text_field fields so that the text comes pre-written by default, and when a user click inside the fields, the text goes away - allowing the user to type in the new text? ...
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What are the correct link options to use std::thread in GCC under linux?

Hi I am trying to use std::thread with G++. Here is my test code 5 Answers 5 ...
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Pandas get topmost n records within each group

Suppose I have pandas DataFrame like this: 3 Answers 3 ...
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Parse string to date with moment.js

...nt to parse the following string with moment.js 2014-02-27T10:00:00 and output day month year (14 march 2014) I have been reading the docs but without success http://momentjs.com/docs/#/parsing/now/ ...