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How do I convert from stringstream to string in C++?
How do I convert from std::stringstream to std::string in C++?
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Is it safe to push_back an element from the same vector?
If the second push_back causes a reallocation, the reference to the first integer in the vector will no longer be valid. So this isn't safe?
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Heatmap in matplotlib with pcolor?
I'd like to make a heatmap like this (shown on FlowingData ):
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Covariance, Invariance and Contravariance explained in plain English?
Today, I read some articles about Covariance, Contravariance (and Invariance) in Java. I read the English and German Wikipedia article, and some other blog posts and articles from IBM.
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What format string do I use for milliseconds in date strings on iPhone?
I'm required to parse strings in a format that includes milliseconds. What format string do I use to get the right date value?
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T-SQL: Selecting rows to delete via joins
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Most concise way to convert a Set to a List
For example, I am currently doing this:
6 Answers
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Find index of last occurrence of a sub-string using T-SQL
Is there a straightforward way of finding the index of the last occurrence of a string using SQL? I am using SQL Server 2000 right now. I basically need the functionality that the .NET System.String.LastIndexOf method provides. A little googling revealed this - Function To Retrieve Last Index ...
How do I escape double quotes in attributes in an XML String in T-SQL?
Pretty simple question - I have an attribute that I would like to have double quotes in. How do I escape them? I've tried
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
I am transitioning from Java to C++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier.
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