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Get generic type of java.util.List
...lass java.lang.Integer.
}
}
You can also do that for parameter types and return type of methods.
But if they're inside the same scope of the class/method where you need to know about them, then there's no point of knowing them, because you already have declared them yourself.
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Java 8 Stream and operation on arrays
...is a little more difficult because I can't think of a way to get the value AND the index at the same time as a Stream operation. This means you probably have to stream over the indexes of the array.
//in this example a[] and b[] are same length
int[] a = ...
int[] b = ...
int[] result = new int[a...
error: passing xxx as 'this' argument of xxx discards qualifiers
... {
return name;
}
This is necessary because now you can call getId() and getName() on const objects as:
void f(const StudentT & s)
{
cout << s.getId(); //now okay, but error with your versions
cout << s.getName(); //now okay, but error with your versions
}
As a s...
How do I validate a date string format in python?
...xcept? Python tends to slow down significantly when an exception is raised and caught.
– chiffa
Sep 6 '16 at 1:26
1
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Numpy: find first index of value fast
... not interested in the following answers because they scan the whole array and don't stop when they find the first occurrence:
...
Is there auto type inferring in Java?
...whose scope is within the block where they have been defined. Similar to C and C++, but there is no auto or register keyword. However, the Java compiler will not allow the usage of a not-explicitly-initialized local variable and will give a compilation error (unlike C and C++ where the compiler will...
How to explore web-based Google Play in another country?
if I go to play.google.com, it automatically recognizes my country and allow me to browse the apps for that country. I can change the language through the dropdown in the footer, or I can add &hl=code in the querystring...but that only changes the language...not the store content (the app lists and ...
How to remove remote origin from Git repo
I just did git init to initialize my folder as git repo and then added a remote repository using git remote add origin url . Now I want to remove this git remote add origin and add a new repository git remote add origin new-url . How can I do it?
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How to make the tab character 4 spaces instead of 8 spaces in nano?
...d idea to convert tabs to spaces.
Edit your ~/.nanorc file (or create it) and add:
set tabsize 4
set tabstospaces
If you already got a file with tabs and want to convert them to spaces i recommend the expandcommand (shell):
expand -4 input.py > output.py
...
Can I have an onclick effect in CSS?
...he style when the mouse button is held down. The only way to apply a style and keep it applied onclick is to use a bit of JavaScript.
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