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Render a string in HTML and preserve spaces and linebreaks
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I guess the 'problem' with MVC is that if I change the string as you suggest it will display the ' ' instead of the spaces, unless I use @Html.Raw(). Then I have to be concerned about xss and the user entering bad html. I could however encode the strings on insert so tha...
Design patterns or best practices for shell scripts [closed]
... values. This means that you have to invent a different strategy to return string values. My strategy is to use a variable called RESULT to store the result, and returning 0 if the function completed cleanly.
Also, you can raise exceptions if you are returning a value different from zero, and then ...
ActiveRecord: size vs count
...many association, size will use the cached count directly, and not make an extra query at all.
class Image < ActiveRecord::Base
belongs_to :product, counter_cache: true
end
class Product < ActiveRecord::Base
has_many :images
end
> product = Product.first # query, load product into m...
How to parse a date? [duplicate]
...h a different format.
To parse your "Thu Jun 18 20:56:02 EDT 2009" date string you need a SimpleDateFormat like this (roughly):
SimpleDateFormat parser=new SimpleDateFormat("EEE MMM d HH:mm:ss zzz yyyy");
Use this to parse the string into a Date, and then your other SimpleDateFormat to turn th...
What's the difference between %s and %d in Python string formatting?
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They are used for formatting strings. %s acts a placeholder for a string while %d acts as a placeholder for a number. Their associated values are passed in via a tuple using the % operator.
name = 'marcog'
number = 42
print '%s %d' % (name, number)
w...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
...ain a couple of examples per the above three rules:
val tupleList = List[(String, String)]()
// doesn't compile, violates case clause requirement
val filtered = tupleList.takeWhile( case (s1, s2) => s1 == s2 )
// block of code as a partial function and parentheses omission,
// i.e. tupleList.ta...
Why do I get an UnsupportedOperationException when trying to remove an element from a List?
...he List.
Fix
Create a LinkedList, which supports faster remove.
List<String> list = new LinkedList<String>(Arrays.asList(split));
On split taking regex
From the API:
String.split(String regex): Splits this string around matches of the given regular expression.
| is a regex ...
string.charAt(x) or string[x]?
Is there any reason I should use string.charAt(x) instead of the bracket notation string[x] ?
6 Answers
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How to split text without spaces into list of words?
...s(s):
"""Uses dynamic programming to infer the location of spaces in a string
without spaces."""
# Find the best match for the i first characters, assuming cost has
# been built for the i-1 first characters.
# Returns a pair (match_cost, match_length).
def best_match(i):
...
Reading in a JSON File Using Swift
....mutableLeaves)
if let jsonResult = jsonResult as? Dictionary<String, AnyObject>, let person = jsonResult["person"] as? [Any] {
// do stuff
}
} catch {
// handle error
}
}
...