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django template display item value or empty string
...the question to better understand your answer.
– Victor Zamanian
Apr 20 '18 at 10:01
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Explode string by one or more spaces or tabs
How can I explode a string by one or more spaces or tabs?
10 Answers
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Creating a “logical exclusive or” operator in Java
Java has a logical AND operator.
Java has a logical OR operator.
Java has a logical NOT operator.
17 Answers
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Was PreferenceFragment intentionally excluded from the compatibility package?
...If so, can I easily target a range of devices (i.e. < 3.0 and >=3.0) or will I have to jump through hoops?
I consider it to be done "easily". Have two separate PreferenceActivity implementations, one using preference headers and PreferenceFragments, the other using the original approach. Cho...
TypeScript typed array usage
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You have an error in your syntax here:
this._possessions = new Thing[100]();
This doesn't create an "array of things". To create an array of things, you can simply use the array literal expression:
this._possessions = [];
Of the array...
What is the difference between Class and Klass in ruby?
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class is a keyword used to define a new class. Since it's a reserved keyword, you're not able to use it as a variable name. You can't use any of Ruby's keywords as variable names, so you won't be able to have variables named def or module o...
How to redirect to Index from another controller?
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Ok this worked. I tried this earlier must of been a typo when I did it before.
– cjohnson2136
Oct 25 '11 at 16:05
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Check if a given key already exists in a dictionary and increment it
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You are looking for collections.defaultdict (available for Python 2.5+). This
from collections import defaultdict
my_dict = defaultdict(int)
my_dict[key] += 1
will do what you want.
For regular Python dicts, if there is no value for a gi...
Location Services not working in iOS 8
My app that worked fine on iOS 7 doesn't work with the iOS 8 SDK.
26 Answers
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Should logger be private static or not
Should logger be declared static or not? Usually I've seen two types of declaration for a logger :
4 Answers
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