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Connecting overloaded signals and slots in Qt 5
...tting to grips with the new signal/slot syntax (using pointer to member function) in Qt 5, as described in New Signal Slot Syntax . I tried changing this:
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How do getters and setters work?
I'm from the php world. Could you explain what getters and setters are and could give you some examples?
6 Answers
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How can I use map and receive an index as well in Scala?
Is there any List/Sequence built-in that behaves like map and provides the element's index as well?
8 Answers
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Check if a String contains numbers Java
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When should I use the new keyword in C++?
I've been using C++ for a short while, and I've been wondering about the new keyword. Simply, should I be using it, or not?
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How to pick a new color for each plotted line within a figure in matplotlib?
I'd like to NOT specify a color for each plotted line, and have each line get a distinct color. But if I run:
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In C++, is it still bad practice to return a vector from a function?
Short version: It's common to return large objects—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
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Handle Guzzle exception and get HTTP body
...ke to handle errors from Guzzle when the server returns 4xx and 5xx status codes. I make a request like this:
5 Answers
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Finding duplicate values in MySQL
I have a table with a varchar column, and I would like to find all the records that have duplicate values in this column. What is the best query I can use to find the duplicates?
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How do I check which version of NumPy I'm using?
How can I check which version of NumPy I'm using?
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