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plot a circle with pyplot
surprisingly I didn't find a straight-forward description on how to draw a circle with matplotlib.pyplot (please no pylab) taking as input center (x,y) and radius r. I tried some variants of this:
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When to use generic methods and when to use wild-card?
I am reading about generic methods from OracleDocGenericMethod . I am pretty confused about the comparison when it says when to use wild-card and when to use generic methods.
Quoting from the document.
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Do Java arrays have a maximum size?
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Haven't seen the right answer, even though it's very easy to test.
In a recent HotSpot VM, the correct answer is Integer.MAX_VALUE - 5. Once you go beyond that:
public class Foo {
public static void main(String[] args) {
Object[] array...
ipython: print complete history (not just current session)
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In ipython enter:
%history -g
It does not print time codes but it does print session/line number.
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Separating class code into a header and cpp file
...r and cpp file. For example, how would I separate the code for the following class?
8 Answers
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How to use enums as flags in C++?
Treating enum s as flags works nicely in C# via the [Flags] attribute, but what's the best way to do this in C++?
22 Ans...
How to concatenate strings of a string field in a PostgreSQL 'group by' query?
I am looking for a way to concatenate the strings of a field within a group by query. So for example, I have a table:
14 An...
Does JavaScript have a built in stringbuilder class?
...make sure you chose an implementation, which uses array joins. Concatenating strings with the + or += operator are extremely slow on IE. This is especially true for IE6. On modern browsers += is usually just as fast as array joins.
When I have to do lots of string concatenations I usually fill an ...
jQuery removing '-' character from string
I have a string "-123445". Is it possible to remove the '-' character from the string?
3 Answers
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What is the difference between Bower and npm?
...is the fundamental difference between bower and npm ? Just want something plain and simple. I've seen some of my colleagues use bower and npm interchangeably in their projects.
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