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How to use single storyboard uiviewcontroller for multiple subclass
...base class and add it as a sub view in the main view, typically self.view. Then you would simply use the storyboard layout with basically blank view controllers holding their place in the storyboard but with the correct view controller sub class assigned to them. Since they would inherit from the b...
Why does running the Flask dev server run itself twice?
...).
If you set use_reloader to False you'll see the behaviour go away, but then you also lose the reloading functionality:
app.run(port=4004, debug=config.DEBUG, host='0.0.0.0', use_reloader=False)
You can disable the reloader when using the flask run command too:
FLASK_DEBUG=1 flask run --no-re...
How do I get the title of the current active window using c#?
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If you were talking about WPF then use:
Application.Current.Windows.OfType<Window>().SingleOrDefault(w => w.IsActive);
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Ruby on Rails: Delete multiple hash keys
...ctiveRecord attributes method returns a Hash with keys that are String. So then you would have to use string key names in .except(). However I get around this using the Hash.symbolize_keys a la @user.attributes.symbolize_keys.except(:password, :notes) -- using symbolize_keys makes it work as one wou...
Trying to git pull with error: cannot open .git/FETCH_HEAD: Permission denied
...cept XCode's new license agreement. The answer is to accept the agreement, then clone with no sudo.
– Barnaby
Oct 29 '15 at 23:12
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When to use reinterpret_cast?
...t_cast only guarantees that if you cast a pointer to a different type, and then reinterpret_cast it back to the original type, you get the original value. So in the following:
int* a = new int();
void* b = reinterpret_cast<void*>(a);
int* c = reinterpret_cast<int*>(b);
a and c contain...
How does Java Garbage Collection work with Circular References?
...some root set of things that it takes for granted could still be used, and then chasing all the pointers to find what else could be in use.
Interesting aside: may people are often surprised by the degree of similarity between this part of a garbage collector and code for marshaling objects for thin...
Random strings in Python
...cii characters like:
import random
print chr(random.randint(0,255))
And then build up a longer string like:
len = 50
print ''.join( [chr(random.randint(0,255)) for i in xrange(0,len)] )
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Get a UTC timestamp [duplicate]
... @LukasLiesis if you tested this by console.log(new Date(timestamp)) then the timezone is a property of the Date object, not of the timestamp - the input must be in number of milliseconds since 1 January 1970 UTC in order for the Date object to display correct time in your local timezone... if...
Why doesn't Objective-C support private methods?
... if a class doesn't declare a method in its publicly available interface, then that method might as well not exist as far as your code is concerned. In other words, you can achieve all of the various combinations of visibility desired at compilation time by organizing your project appropriately.
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