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plot a circle with pyplot
... of an Artist, and an axes has an add_artist method.
Here's an example of doing this:
import matplotlib.pyplot as plt
circle1 = plt.Circle((0, 0), 0.2, color='r')
circle2 = plt.Circle((0.5, 0.5), 0.2, color='blue')
circle3 = plt.Circle((1, 1), 0.2, color='g', clip_on=False)
fig, ax = plt.subplot...
Is there any advantage of using map over unordered_map in case of trivial keys?
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Don't forget that map keeps its elements ordered. If you can't give that up, obviously you can't use unordered_map.
Something else to keep in mind is that unordered_map generally uses more memory. map just has a few house-ke...
Check existence of directory and create if doesn't exist
...r), showWarnings = FALSE)
setwd(file.path(mainDir, subDir))
dir.create() does not crash if the directory already exists, it just prints out a warning. So if you can live with seeing warnings, there is no problem with just doing this:
dir.create(file.path(mainDir, subDir))
setwd(file.path(mainDir,...
Tools to search for strings inside files without indexing [closed]
...
Original Answer
Windows Grep does this really well.
Edit: Windows Grep is no longer being maintained or made available by the developer. An alternate download link is here: Windows Grep - alternate
Current Answer
Visual Studio Code has excel...
How to install Hibernate Tools in Eclipse?
...ay to install Hibernate Tools in Eclipse as a plugin?
The Hibernate site doesn't really give any instructions.
13 Answers...
“register” keyword in C?
What does the register keyword do in C language? I have read that it is used for optimizing but is not clearly defined in any standard. Is it still relevant and if so, when would you use it?
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What's the difference between using CGFloat and float?
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As @weichsel stated, CGFloat is just a typedef for either float or double. You can see for yourself by Command-double-clicking on "CGFloat" in Xcode — it will jump to the CGBase.h header where the typedef is defined. The same approach is used for NSInteger and NSUInteger as well.
These ty...
Get the current first responder without using a private API
...d. For this purpose I wrote a category on UIView, which I call on the UIWindow.
The following is based on that and should return the first responder.
@implementation UIView (FindFirstResponder)
- (id)findFirstResponder
{
if (self.isFirstResponder) {
return self;
}
for (...
Can I change the fill color of an svg path with CSS?
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Does this still work with Chrome? I'm having difficulty trying to change my SVG path's color with CSS.
– Dallas Clark
Nov 1 '13 at 6:51
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How to join int[] to a character separated string in .NET?
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Although the OP specified .NET 3.5, people wanting to do this in .NET 2.0 with C#2 can do this:
string.Join(",", Array.ConvertAll<int, String>(ints, Convert.ToString));
I find there are a number of other cases where the use of the Convert.xxx functions is a neater alter...