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Converting string to title case
I have a string which contains words in a mixture of upper and lower case characters.
23 Answers
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Finding the type of an object in C++
I have a class A and another class that inherits from it, B. I am overriding a function that accepts an object of type A as a parameter, so I have to accept an A. However, I later call functions that only B has, so I want to return false and not proceed if the object passed is not of type B.
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Python Create unix timestamp five minutes in the future
I have to create an "Expires" value 5 minutes in the future, but I have to supply it in UNIX Timestamp format. I have this so far, but it seems like a hack.
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Vim: insert the same characters across multiple lines
Sometimes I want to edit a certain visual block of text across multiple lines.
12 Answers
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Load view from an external xib file in storyboard
I want to use a view throughout multiple viewcontrollers in a storyboard. Thus, I thought about designing the view in an external xib so changes are reflected in every viewcontroller. But how can one load a view from a external xib in a storyboard and is it even possible? If thats not the case, what...
How do I fit an image (img) inside a div and keep the aspect ratio?
I have a 48x48 div and inside it there is an img element, I want to fit it into the div without losing any part, in the mean time the ratio is kept, is it achievable using html and css?
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Validate that a string is a positive integer
...se
" " : false
"" : false
DEMO: http://jsfiddle.net/5UCy4/37/
Solution 2
Another way is good for all numeric values which are valid up to Number.MAX_VALUE, i.e. to about 1.7976931348623157e+308:
function isPositiveInteger(n) {
return 0 === n % (!is...
python list in sql query as parameter
I have a python list, say l
15 Answers
15
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How to select rows with no matching entry in another table?
I'm doing some maintenance work on a database application and I've discovered that, joy of joys, even though values from one table are being used in the style of foreign keys, there's no foreign key constraints on the tables.
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Best way to use html5 data attributes with rails content_tag helper?
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Rails 3.1 ships with built-in helpers:
http://api.rubyonrails.org/classes/ActionView/Helpers/TagHelper.html#method-i-tag
E.g.,
tag("div", :data => {:name => 'Stephen', :city_state => %w(Chicago IL)})
# => <div data-name="Stephen" data-city-state="...