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plot a circle with pyplot
...1)
ax.add_artist(circle2)
ax.add_artist(circle3)
fig.savefig('plotcircles.png')
This results in the following figure:
The first circle is at the origin, but by default clip_on is True, so the circle is clipped when ever it extends beyond the axes. The third (green) circle shows what happens wh...
How to Generate unique file names in C#
...ograms, I sometimes try e.g. 10 times to generate a readable name ("Image1.png"…"Image10.png") and if that fails (because the file already exists), I fall back to GUIDs.
Update:
Recently, I've also use DateTime.Now.Ticks instead of GUIDs:
var myUniqueFileName = string.Format(@"{0}.txt", DateTim...
fatal: git-write-tree: error building trees
...;..." to mark resolution)
#
# both modified: app/assets/images/logo.png
# both modified: app/models/laundry.rb
Fix them with git add to each of them and try git stash again.
git add app/assets/images/logo.png
...
How do I ZIP a file in C#, using no 3rd-party APIs?
...t Extension="jpg" ContentType="image/jpeg" />
<Default Extension="png" ContentType="image/png" />
<Default Extension="css" ContentType="text/css" />
</Types>
And the C# for creating a ZIP file:
var zipFilePath = "c:\\myfile.zip";
var tempFolderPath = "c:\\unzipped";
...
SSH library for Java [closed]
...ISO-8859-1,UTF-8,...>"
+ " \"remotefile1=/some/file.png\""
+ " \"localfile1=file.png\""
+ " \"remotefile2=/other/file.txt\""
+ " \"localfile2=file.txt\""
);
return;
}
// defau...
Using a custom image for a UITableViewCell's accessoryView and having it respond to UITableViewDeleg
...wAtIndexPath::
UIImage *image = (checked) ? [UIImage imageNamed:@"checked.png"] : [UIImage imageNamed:@"unchecked.png"];
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
CGRect frame = CGRectMake(0.0, 0.0, image.size.width, image.size.height);
button.frame = frame;
[button setBackg...
How can I pass a Bitmap object from one activity to another
...eateImageFromBitmap(Bitmap bitmap) {
String fileName = "myImage";//no .png or .jpg needed
try {
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
FileOutputStream fo = openFileOutput(fileName, Context.M...
RegEx to parse or validate Base64 data
...
To validate base64 image we can use this regex
/^data:image/(?:gif|png|jpeg|bmp|webp)(?:;charset=utf-8)?;base64,(?:[A-Za-z0-9]|[+/])+={0,2}
private validBase64Image(base64Image: string): boolean {
const regex = /^data:image\/(?:gif|png|jpeg|bmp|webp)(?:;charset=utf-8)?;base64,(?:[A-Z...
Uploading images using Node.js, Express, and Mongoose
...
other useful req.files properties:
size (in bytes)
type (e.g., 'image/png')
lastModifiedate
_writeStream.encoding (e.g, 'binary')
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Are custom elements valid HTML5?
...h4,
h5,
h6,
header,
hgroup,
hr,
i,
iframe,
img,
input,
ins,
kbd,
keygen,
label,
map,
mark,
math,
menu,
meter,
nav,
noscript,
object,
ol,
output,
p,
pre,
progress,
q,
ruby,
s,
samp,...