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What's the difference between a Future and a Promise?
...ise has finally been called CompletableFuture for inclusion in Java 8, and its javadoc explains:
A Future that may be explicitly completed (setting its value and status), and may be used as a CompletionStage, supporting dependent functions and actions that trigger upon its completion.
An exa...
hasNext in Python iterators?
Haven't Python iterators got a hasNext method?
13 Answers
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stringstream, string, and char* conversion confusion
...g returned from stringstream.str().c_str() live in memory, and why can't it be assigned to a const char* ?
5 Answers
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Any recommendations for a CSS minifier? [closed]
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The YUI Compressor is fantastic. It works on JavaScript and CSS. Check it out.
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Different ways of adding to Dictionary
...his.Insert(key, value, true);
}
I won't post the entire Insert method as it's rather long, however the method declaration is this:
private void Insert(TKey key, TValue value, bool add)
And further down in the function, this happens:
if ((this.entries[i].hashCode == num) && this.compare...
Best practice for embedding arbitrary JSON in the DOM?
I'm thinking about embedding arbitrary JSON in the DOM like this:
7 Answers
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How to use “raise” keyword in Python [duplicate]
I have read the official definition of "raise", but I still don't quite understand what it does.
6 Answers
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What are the use cases for selecting CHAR over VARCHAR in SQL?
...R (or NVARCHAR) when the length varies significantly. CHAR may also be a bit faster because all the rows are of the same length.
It varies by DB implementation, but generally, VARCHAR (or NVARCHAR) uses one or two more bytes of storage (for length or termination) in addition to the actual data. So...
What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
If I have some integer n, and I want to know the position of the most significant bit (that is, if the least significant bit is on the right, I want to know the position of the furthest left bit that is a 1), what is the quickest/most efficient method of finding out?
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Best Practice for Forcing Garbage Collection in C#
In my experience it seems that most people will tell you that it is unwise to force a garbage collection but in some cases where you are working with large objects that don't always get collected in the 0 generation but where memory is an issue, is it ok to force the collect? Is there a best practi...