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How to concatenate two strings in C++?
I have a private class variable char name[10] to which I would like to add the .txt extension so that I can open the file present in the directory.
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How do I check what version of Python is running my script?
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21 Answers
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How do I check if an element is really visible with JavaScript? [duplicate]
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16 Answers
16
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Concatenating two lists - difference between '+=' and extend()
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edited May 13 '15 at 0:26
jesterjunk
1,9541616 silver badges1717 bronze badges
answered S...
How to declare a global variable in JavaScript?
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215
If you have to generate global variables in production code (which should be avoided) always de...
Get characters after last / in url
...o get the characters after the last / in an url like http://www.vimeo.com/1234567
8 Answers
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Creating an array of objects in Java
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A[] a = new A[4];
...creates 4 A references, similar to doing this:
A a1;
A a2;
A a3;
A a4;
Now you couldn't do a1.someMethod() without allocating a1 like this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
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