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PhoneGap: Detect if running on desktop browser
...nother great option:
var app = document.URL.indexOf( 'http://' ) === -1 && document.URL.indexOf( 'https://' ) === -1;
if ( app ) {
// PhoneGap application
} else {
// Web page
}
as seen here: Detect between a mobile browser or a PhoneGap application
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How do I check for C++11 support?
...at compile-time if the compiler supports certain features of C++11? For example, something like this:
8 Answers
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What is the fastest way to compute sin and cos together?
...re is another example (for MSVC): http://www.codeguru.com/forum/showthread.php?t=328669
Here is yet another example (with gcc): http://www.allegro.cc/forums/thread/588470
Hope one of them helps.
(I didn't use this instruction myself, sorry.)
As they are supported on processor level, I expect them...
Why do I need an IoC container as opposed to straightforward DI code? [closed]
...you to implement INotifyPropertyChanged so that it can do change tracking & update the UI accordingly.
"OK, that doesn't sound so hard" so you start writing.
You start with this:
public class Customer
{
public string FirstName { get; set; }
public string LastName { get; set; }
p...
How can I make a button redirect my page to another page? [duplicate]
...
try
<button onclick="window.location.href='b.php'">Click me</button>
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How do I extract a sub-hash from a hash?
...also return removed (not kept) entries. The Hash#except! suits best the example given in the question:
x = {a: 1, b: 2, c: 3, d: 4}
# => {:a=>1, :b=>2, :c=>3, :d=>4}
x.except!(:c, :d)
# => {:a=>1, :b=>2}
x
# => {:a=>1, :b=>2}
ActiveSupport does not require whol...
Placing Unicode character in CSS content value [duplicate]
I have a problem. I have found the HTML code for the downwards arrow, ↓ (↓)
1 Answer
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How to convert ActiveRecord results into an array of hashes
... can convert any ActiveRecord results to an Array with to_a, so for your example :
tasks_records = TaskStoreStatus.all
tasks_records.to_a.map(&:serializable_hash)
And if you want an ugly solution for Rails prior to v2.3
JSON.parse(tasks_records.to_json) # please don't do it
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Convert string to variable name in JavaScript
...ss true. Javascript does not have variable variables (such as $$varname in php) so this really is the only answer. Using window[varname] has the side-effect of introducing global variables, which might not be wanted. @Shaz I don't think you give modern JS interpreters enough credit. They are extreme...
Difference between `constexpr` and `const`
...ant:
It can be used in places that require compile-time evaluation, for example, template parameters and array-size specifiers:
template<int N>
class fixed_size_list
{ /*...*/ };
fixed_size_list<X> mylist; // X must be an integer constant expression
int numbers[X]; // X mu...