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Converting an int to std::string
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Overkill? Based on what? boost.org/doc/libs/1_53_0/doc/html/boost_lexical_cast/…
– Catskul
Jun 3 '13 at 22:34
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Rails - How to use a Helper Inside a Controller
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You can use
helpers.<helper> in Rails 5+ (or ActionController::Base.helpers.<helper>)
view_context.<helper> (Rails 4 & 3) (WARNING: this instantiates a new view instance per call)
@template.<helper> (Rails 2)
include helper in a singleton class and then singleton.h...
What's the best manner of implementing a social activity stream? [closed]
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I have created such system and I took this approach:
Database table with the following columns: id, userId, type, data, time.
userId is the user who generated the activity
type is the type of the activity (i.e. Wrote blog post, added photo, commented on user's photo)
data is a se...
What's the difference between QMainWindow, QWidget and QDialog?
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A QWidget is the base class for all drawable classes in Qt. Any QWidget-based class can be shown as a window by showing it when it has no parent.
A QDialog is based on QWidget, but designed to be shown as a window. It will always appear in...
iPhone UIView Animation Best Practice
...method is discouraged in iPhone OS 4.0 and later. You should use the block-based animation methods instead.
Eg of Block-based Animation based on Tom's Comment
[UIView transitionWithView:mysuperview
duration:0.75
options:UIViewAnimationTransitionFlipFromRight
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Sort a Map by values
...arator implements Comparator<String> {
Map<String, Double> base;
public ValueComparator(Map<String, Double> base) {
this.base = base;
}
// Note: this comparator imposes orderings that are inconsistent with
// equals.
public int compare(String a, St...
Is it possible to include one CSS file in another?
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Yes:
@import url("base.css");
Note:
The @import rule must precede all other rules (except @charset).
Additional @import statements require additional server requests. As an alternative, concatenate all CSS into one file to avoid multiple H...
How to explore web-based Google Play in another country?
...ssle.
If I had to implement a multinational service that provides content based on the location of the client I'd not try to obscure (as in security by obscurity) testing functionality by hiding it behind undocumented parameters. The cleaner and more obvious implementation of such a feature would b...
Rails - Validate Presence Of Association?
...Validations/ClassMethods/validates_presence_of
class A < ActiveRecord::Base
has_many :bs
validates_presence_of :bs
end
or just validates
http://apidock.com/rails/ActiveModel/Validations/ClassMethods/validates
class A < ActiveRecord::Base
has_many :bs
validates :bs, :presence => ...
Is there anyway to exclude artifacts inherited from a parent POM?
...mply not inherit from the parent in that case (and declare a dependency on base with the exclusion). Not handy if you have lot of stuff in the parent pom.
Another thing to test would be to declare the mail artifact with the version required by ALL-DEPS under the dependencyManagement in the parent po...