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Explain the use of a bit vector for determining if all characters are unique
I am confused about how a bit vector would work to do this (not too familiar with bit vectors). Here is the code given. Could someone please walk me through this?
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Java Generics (Wildcards)
I have a couple of questions about generic wildcards in Java:
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How to convert a Drawable to a Bitmap?
I would like to set a certain Drawable as the device's wallpaper, but all wallpaper functions accept Bitmap s only. I cannot use WallpaperManager because I'm pre 2.1.
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How to version REST URIs
What is the best way to version REST URIs? Currently we have a version # in the URI itself, ie.
11 Answers
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Java - removing first character of a string
In Java, I have a String:
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Database, Table and Column Naming Conventions? [closed]
Whenever I design a database, I always wonder if there is a best way of naming an item in my database. Quite often I ask myself the following questions:
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How to explain callbacks in plain english? How are they different from calling one function from ano
How to explain callbacks in plain English? How are they different from calling one function from another function taking some context from the calling function? How can their power be explained to a novice programmer?
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How to overload functions in javascript?
Classical (non-js) approach to overloading:
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Why are joins bad when considering scalability?
Why are joins bad or 'slow'. I know i heard this more then once. I found this quote
16 Answers
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do {…} while(false)
I was looking at some code by an individual and noticed he seems to have a pattern in his functions:
25 Answers
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