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In Rails - is there a rails method to convert newlines to ?
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Yes, rails has simple_format which does exactly what you are looking for, and slightly better since it also adds paragraph tags. See
http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#method-i-simple_format
Example:
simple_format(mystring)
Note th...
How to get the client IP address in PHP [duplicate]
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Whatever you do, make sure not to trust data sent from the client. $_SERVER['REMOTE_ADDR'] contains the real IP address of the connecting party. That is the most reliable value you can find.
However, they can be behind a pr...
Change column type from string to float in Pandas
...ues can all be converted, that's probably all you need.
Error handling
But what if some values can't be converted to a numeric type?
to_numeric() also takes an errors keyword argument that allows you to force non-numeric values to be NaN, or simply ignore columns containing these values.
Here's an e...
When to use symbols instead of strings in Ruby?
...gs are also used as identifiers in your code. You should be worrying about what symbols are meant to be, not only when you should use symbols. Symbols are meant to be identifiers. If you follow this philosophy, chances are that you will do things right.
There are several differences between the im...
What does $$ (dollar dollar or double dollar) mean in PHP?
Example is a variable declaration within a function:
7 Answers
7
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What are the pros and cons of the leading Java HTML parsers? [closed]
... that some people have spent some comparing these libraries, and can share what they've learned.
6 Answers
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Abstract methods in Python [duplicate]
...m abc.ABCMeta instead of from type and you should be OK. If you don't know what a metaclass is, don't worry about it. :-)
– kindall
Dec 8 '10 at 0:15
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Is there an upside down caret character?
...P pages, many of which have tabular data with no sort capabilities at all. Whatever order the original developer used in the database query is what you're stuck with.
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What is “missing” in the Visual Studio 2008 Express Editions?
What is "missing" in the Visual Studio 2008 Express Editions?
16 Answers
16
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How to do the equivalent of pass by reference for primitives in Java
...have several choices. The one that makes the most sense really depends on what you're trying to do.
Choice 1: make toyNumber a public member variable in a class
class MyToy {
public int toyNumber;
}
then pass a reference to a MyToy to your method.
void play(MyToy toy){
System.out.print...