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Removing white space around a saved image in matplotlib
I need to take an image and save it after some process. The figure looks fine when I display it, but after saving the figure, I got some white space around the saved image. I have tried the 'tight' option for savefig method, did not work either. The code:
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How to split a delimited string in Ruby and convert it to an array?
...g to perform any action.
split() -> is an method, which split the input and store it as array.
'' or ' ' or ',' -> is an value, which is needed to be removed from given string.
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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...
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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Custom dealloc and ARC (Objective-C)
...ing ARC, you simply do not call [super dealloc] explicitly - the compiler handles it for you (as described in the Clang LLVM ARC document, chapter 7.1.2):
- (void) dealloc
{
[observer unregisterObject:self];
// [super dealloc]; //(provided by the compiler)
}
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subtract two times in python
I have two datetime.time values, exit and enter and I want to do something like:
9 Answers
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Does the Java &= operator apply & or &&?
...ting makes a difference to the result, but in this one b has to be boolean and the type-cast does nothing.)
And, for the record, a &&= b; is not valid Java. There is no &&= operator.
In practice, there is little semantic difference between a = a & b; and a = a && b;....
Force re-download of release dependency using Maven
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I just deleted my ~/.m2/repository and that forced a re-download ;)
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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 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
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