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How do you print out a stack trace to the console/log in Cocoa?
... @try{
retval = UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
}
@catch (NSException *exception)
{
NSLog(@"Gosh!!! %@", [exception callStackSymbols]);
@throw;
}
return retval;
}
}
...
Maintain model of scope when changing between views in AngularJS
...NLY has data - no functions -. That way it can be converted back and forth from JSON to persist it. I used the html5 localstorage for persistence.
Lastly i used window.onbeforeunload and $rootScope.$broadcast('saveState'); to let all the services know that they should save their state, and $rootSc...
Passing a method as a parameter in Ruby
...it with Ruby. Therefor I try to implement the algorithms (given in Python) from the book "Programming Collective Intelligence" Ruby.
...
how do I use the grep --include option for multiple file types?
... I see the problem. I used --include=".{html,php}" to prevent shell from expanding '' which at the same time stop shell to expand {html,php}. It seems that equal sign in --include=* is able to prevent shell from expanding '*'.
– tianyapiaozi
May 17 '12 a...
Why is isNaN(null) == false in JS?
...s question, but semantically it's referring specifically to the value NaN. From Wikipedia for NaN:
NaN (Not a Number) is a value of the numeric data type representing an undefined or unrepresentable value, especially in floating-point calculations.
In most cases we think the answer to "is nul...
How does Angular $q.when work?
...resolve. If you pass a value to it then it is never going to be rejected.
From the docs:
Wraps an object that might be a value or a (3rd party) then-able promise into a $q promise. This is useful when you are dealing with an object that might or might not be a promise, or if the promise comes ...
equals vs Arrays.equals in Java
...
It's not broken, it's just inherited from Object.
– Michael Borgwardt
Jan 8 '12 at 11:56
...
Can the Android drawable directory contain subdirectories?
...ory layout you showed would result in none of the images being available.
From my own experiments it seems that having a subfolder with any items in it, within the res/drawable folder, will cause the resource compiler to fail -- preventing the R.java file from being generated correctly.
...
How do I filter an array with AngularJS and use a property of the filtered object as the ng-model at
... Can you do the same with a grade array? In my case I build my grade array from a treeview and want filter the result for those in the array.
– Juan Carlos Oropeza
Mar 17 '16 at 19:59
...
Get mouse wheel events in jQuery?
...
Not especially. From what I've seen, many people will either avoid dealing with scroll tracking, or they'll use a timer instead (e.g. check the user's position on the page every x milliseconds, etc). If there's a more performant solution ou...