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How do I get the opposite (negation) of a Boolean in Python?
...cient. It will create a list and then perform a linear search. Better than x in range(low, high) is low <= x < high.
– MRAB
Aug 11 '11 at 19:24
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Count the number occurrences of a character in a string
...ter. For finding instances of a specific substring, I would use a regular expression or the str.count() method. I haven't tested, but there may be a performance difference due to a slight overhead in counting all characters and appending to a dictionary rather than counting occurrences of a single ...
How do I immediately execute an anonymous function in PHP?
In JavaScript, you can define anonymous functions that are executed immediately:
9 Answers
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How can I get a favicon to show up in my django app?
... Sounds like a good idea. Can you point me to a link that explains how to do this?
– jononomo
Feb 21 '14 at 15:14
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Ignoring new fields on JSON objects using Jackson [duplicate]
... to use a different import in the current version it is:
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
in older versions it has been:
import org.codehaus.jackson.annotate.JsonIgnoreProperties;
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How do I vertically center UITextField Text?
I am simply instantiating a UITextField and noticing that the text doesn't center vertically. Instead, it is flush with the top of my button, which I find kind of odd since I would expect the default to center it vertically. How can I center it vertically, or is there some default setting that I a...
How to increase font size in NeatBeans IDE?
...monitor that's rather large and I am having a lot of trouble reading the text on my editor. I tried increasing the font size the usual way by going to
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Java / Android - How to print out a full stack trace?
...I print out a full stack trace? If my application crashes from nullPointerException or something, it prints out a (almost) full stack trace like so:
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Font size of TextView in Android application changes on changing font size from native settings
I want to specify my own text size in my application, but I am having a problem doing this.
14 Answers
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Listing all permutations of a string/integer
A common task in programming interviews (not from my experience of interviews though) is to take a string or an integer and list every possible permutation.
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