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to_string is not a member of std, says g++ (mingw)
I am making a small vocabulary remembering program where words would would be flashed at me randomly for meanings. I want to use standard C++ library as Bjarne Stroustroup tells us, but I have encountered a seemingly strange problem right out of the gate.
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Is there a cross-browser onload event when clicking the back button?
For all major browsers (except IE), the JavaScript onload event doesn’t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded.
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UIView frame, bounds and center
I would like to know how to use these properties in the right manner.
6 Answers
6
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How do I make a branch point at a specific commit? [duplicate]
In Git, I understand that a branch is a pointer to a commit.
4 Answers
4
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Get keys from HashMap in Java
I have a Hashmap in Java like this:
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How to get POSTed JSON in Flask?
I'm trying to build a simple API using Flask, in which I now want to read some POSTed JSON. I do the POST with the Postman Chrome extension, and the JSON I POST is simply {"text":"lalala"} . I try to read the JSON using the following method:
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Should the hash code of null always be zero, in .NET
Given that collections like System.Collections.Generic.HashSet<> accept null as a set member, one can ask what the hash code of null should be. It looks like the framework uses 0 :
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How can I handle time zones in my webapp?
I'm looking for better understanding of the following user story:
7 Answers
7
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How to convert std::string to lower case?
I want to convert a std::string to lowercase. I am aware of the function tolower() , however in the past I have had issues with this function and it is hardly ideal anyway as use with a std::string would require iterating over each character.
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MySQL INNER JOIN select only one row from second table
I have a users table and a payments table, for each user, those of which have payments, may have multiple associated payments in the payments table. I would like to select all users who have payments, but only select their latest payment. I'm trying this SQL but i've never tried nested SQL sta...