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Memory management in Qt?
I'm quite new to Qt and am wondering on some basic stuff with memory management and the life of objects. When do I need to delete and/or destroy my objects? Is any of this handled automatically?
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Why does C++ need a separate header file?
...lt, and it adds unnecessary files to the project. And then there is the problem with having to include header files, but having to explicitly check if it has already been included.
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How to send a “multipart/form-data” with requests in python?
...part/form-data with requests in python? How to send a file, I understand, but how to send the form data by this method can not understand.
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Can we define implicit conversions of enums in c#?
Is it possible to define an implicit conversion of enums in c#?
12 Answers
12
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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
Are they supposed to be equal?
6 Answers
6
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What are some uses of template template parameters?
...meters (that is templates which take templates as parameters) to do policy-based class design. What other uses does this technique have?
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What are the benefits of learning Vim? [closed]
As a programmer I spend a lot of hours at the keyboard and I've been doing it for the last 12 years, more or less. If there's something I've never gotten used to during all this time, it's these annoying and almost unconscious constant micro-interruptions I experience while coding, due to some of th...
The written versions of the logical operators
...t listed as actual operators in C++. When I wrote up a test program in NetBeans, I got the red underlining as if there was a syntax error and figured the website was wrong, but it is NetBeans which is wrong because it compiled and ran as expected.
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Polymorphism in C++
...e2 y;
f(x);
f(y);
Here, f() is to perform some operation and is being given values x and y as inputs.
To exhibit polymorphism, f() must be able to operate with values of at least two distinct types (e.g. int and double), finding and executing distinct type-appropriate code.
C++ me...
How to overcome TypeError: unhashable type: 'list'
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As indicated by the other answers, the error is to due to k = list[0:j], where your key is converted to a list. One thing you could try is reworking your code to take advantage of the split function:
# Using with ensures that the file is...