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PHP json_decode() returns NULL with valid JSON?
...I have used this and got the array but my language specific characters (ş,ç,ö,..) has been deleted too.
– zkanoca
Dec 17 '14 at 10:56
5
...
How can i take an UIImage and give it a black border?
...size.height);
[source drawInRect:rect blendMode:kCGBlendModeNormal alpha:1.0];
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetRGBStrokeColor(context, 1.0, 0.5, 1.0, 1.0);
CGContextStrokeRect(context, rect);
UIImage *testImg = UIGraphicsGetImageFromCurrentImageContext(...
image processing to improve tesseract OCR accuracy
... fy = y * nHeightFactor - fr_y;
nx = 1.0 - fx;
ny = 1.0 - fy;
color1 = temp.GetPixel(fr_x, fr_y);
color2 = temp.GetPixel(cx, fr_y);
color3 = temp.GetPixel(fr_x, cy);...
What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
...on for drawer selection and fragmentTransaction
– Gonçalo
May 26 '15 at 14:48
7
...
What's the difference between a single precision and double precision floating point operation?
...1010101010 = NaN
0 10000000 00000000000000000000000 = +1 * 2**(128-127) * 1.0 = 2
0 10000001 10100000000000000000000 = +1 * 2**(129-127) * 1.101 = 6.5
1 10000001 10100000000000000000000 = -1 * 2**(129-127) * 1.101 = -6.5
0 00000001 00000000000000000000000 = +1 * 2**(1-127) * 1.0 = 2**(-126)
0 0000...
Convert javascript array to string
...or comma, this was the only easy way.
– Talha Talip Açıkgöz
Oct 7 '17 at 10:19
1
...
UIView with rounded corners and drop shadow?
...s
blueView.layer.cornerRadius = 10
// border
blueView.layer.borderWidth = 1.0
blueView.layer.borderColor = UIColor.black.cgColor
// shadow
blueView.layer.shadowColor = UIColor.black.cgColor
blueView.layer.shadowOffset = CGSize(width: 3, height: 3)
blueView.layer.shadowOpacity = 0.7
blueView.layer....
Detect if value is number in MySQL
... '0' FROM col1), TRIM(LEADING '0' FROM col1));
– François Breton
Jun 5 '15 at 15:51
...
What's a good rate limiting algorithm?
...lowance > rate):
allowance = rate; // throttle
if (allowance < 1.0):
discard_message();
else:
forward_message();
allowance -= 1.0;
There are no datastructures, timers etc. in this solution and it works cleanly :) To see this, 'allowance' grows at speed 5/8 units per secon...
Using python map and other functional tools
... the different functions, but to access it directly from maptest:
foos = [1.0,2.0,3.0,4.0,5.0]
bars = [1,2,3]
def maptest(foo):
print foo, bars
map(maptest, foos)
With your original maptest function you could also use a lambda function in map:
map((lambda foo: maptest(foo, bars)), foos)
...