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Is char signed or unsigned by default?
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The book is wrong. The standard does not specify if plain char is signed or unsigned.
In fact, the standard defines three distinct types: char, signed char, and unsigned char. If you #include <limits.h> and then look at CHAR_MIN, you can find out if plain char i...
How to @link to a Enum Value using Javadoc
...y is that the Planet package must be imported, or Planet must be fully qualified - i.e.:
{@link com.yourpackage.Planet#EARTH}
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Cannot use ref or out parameter in lambda expressions
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Lambdas have the appearance of changing the lifetime of variables that they capture. For instance the following lambda expression causes the parameter p1 to live longer than the current method frame as its value can be accessed after the method frame is no longer on th...
What does the thread_local mean in C++11?
...he thread_local variables are visible to all the threads but can only modified by the thread for which they are defined? Is it correct?
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Angularjs prevent form submission when input validation fails
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I disagree with "no need for controller checks". What if we ant additional validation checks happen in the submit function.
– SlaterCodes
Jul 31 '14 at 18:42
6...
How to print number with commas as thousands separators?
...ython ≥2.7
f'{value:n}' # For Python ≥3.6
Reference
Per Format Specification Mini-Language,
The ',' option signals the use of a comma for a thousands separator. For a locale aware separator, use the 'n' integer presentation type instead.
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AngularJS - convert dates in controller
...r conversion to string
http://docs.angularjs.org/api/ng.filter:date
But if you are using HTML5 type="date" then the ISO format yyyy-MM-dd MUST be used.
item.dateAsString = $filter('date')(item.date, "yyyy-MM-dd"); // for type="date" binding
<input type="date" ng-model="item.dateAsString" v...
ListView addHeaderView causes position to increase by one?
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Doesn't work for me even if I cast parent to ListView. I just need to rule out position == 0...
– PawelP
Jan 2 '14 at 21:56
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Attaching click event to a JQuery object not yet added to the DOM [duplicate]
...,'#my-butt', function(){
console.log('document is always there');
})
If you are unsure about what elements are going to be on that page at that time just attach it to document.
Note: this is sub-optimal from performance perspective - to get maximum speed one should try to attach to the neare...
ActiveRecord, has_many :through, and Polymorphic Associations
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There is a known issue with Rails 3.1.1 that breaks this functionality. If you are having this problem first try upgrading, it's been fixed in 3.1.2
You're so close. The problem is you're misusing the :source option. :source should points to the polymorphic belongs_to relationship. Then all you ...