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Deprecation warning when using has_many :through :uniq in Rails 4
...tions, :uniq => true, :order => "name", :conditions => "age < 30"
becomes:
has_many :donors, -> { where("age < 30").order("name").uniq }, :through => :donations
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impr...
What is the difference between Int and Integer?
...teger. Implementations vary,
although it is guaranteed to be at
least 30 bits.
Source: The Haskell Wikibook. Also, you may find the Numbers section of A Gentle Introduction to Haskell useful.
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How to clear an ImageView in Android?
...ed to do it with the dennis.sheppard solution:
viewToUse.setImageResource(0);
it works but it is not documented so it isn't really clear if it effects something else in the view (you can check the ImageView code if you like, i didn't).
I think the best solution is:
viewToUse.setImageResource(an...
C++ Convert string (or char*) to wstring (or wchar_t*)
...ointed out in the comments and explained in https://stackoverflow.com/a/17106065/6345 there are cases when using the standard library to convert between UTF-8 and UTF-16 might give unexpected differences in the results on different platforms. For a better conversion, consider std::codecvt_utf8 as de...
How do I import .sql files into SQLite 3?
...u need ; on the end of your statements:
create table server(name varchar(50),ipaddress varchar(15),id init);
create table client(name varchar(50),ipaddress varchar(15),id init);
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Is there a DesignMode property in WPF?
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edited Nov 18 '13 at 16:05
Dave
1,1781010 silver badges1616 bronze badges
answered Jan 8 '09 at 21:35
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How is it possible to declare nothing inside main() in C++ and yet have a working application after
... print_fibs()
{
//implementation
}
int ignore = (print_fibs(), 0);
int main() {}
In this code, the global variable ignore has to be initialized before entering into main() function. Now in order to initialize the global, print_fibs() needs to be executed where you can do anything —...
How to access a preexisting collection with Mongoose?
I have a large collection of 300 question objects in a database test . I can interact with this collection easily through MongoDB's interactive shell; however, when I try to get the collection through Mongoose in an express.js application I get an empty array.
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Can I prevent the Firefox developer tools network panel from clearing on page reload?
...
107
From Firefox 31 onwards you can use the "Enable persistent logs" setting to prevent the Network...
How to save a git commit message from windows cmd?
...
303
You are inside vim. To save changes and quit, type:
<esc> :wq <enter>
That mean...