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LINQ equivalent of foreach for IEnumerable
I'd like to do the equivalent of the following in LINQ, but I can't figure out how:
22 Answers
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clearing a char array c
I thought by setting the first element to a null would clear the entire contents of a char array.
16 Answers
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RuntimeWarning: DateTimeField received a naive datetime
I m trying to send a simple mail using IPython. I have not set up any models still getting this error. What can be done?
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std::string to float or double
...t is a valid C++ syntax to convert a string to a double.
You can do it with the stringstream or boost::lexical_cast but those come with a performance penalty.
Ahaha you have a Qt project ...
QString winOpacity("0.6");
double temp = winOpacity.toDouble();
Extra note:
If the input data is a con...
Colorizing text in the console with C++
How can I write colored text to the console with C++? That is, how can I write different text with different colors?
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Impossible to make a cached thread pool with a size limit?
It seems to be impossible to make a cached thread pool with a limit to the number of threads that it can create.
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Add a default value to a column through a migration
How do I add a default value to a column that already exists through a migration?
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(Built-in) way in JavaScript to check if a string is a valid number
I'm hoping there's something in the same conceptual space as the old VB6 IsNumeric() function?
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Maximum single-sell profit
...e we are given an array of n integers representing stock prices on a single day. We want to find a pair (buyDay, sellDay) , with buyDay ≤ sellDay , such that if we bought the stock on buyDay and sold it on sellDay , we would maximize our profit.
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“This project is incompatible with the current version of Visual Studio”
I was getting the below message from Visual Studio 2010.
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