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How can I create a UIColor from a hex string?
...0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]
uicolor macro with hex values
Also formatted version of this code:
#define UIColorFromRGB(rgbValue) \
[UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 \
green:((float)((rgb...
How to make a round button?
... an xml file named roundedbutton.xml in drawable folder
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="#eeffffff" />
<corners android:bottomRightRadius="8dp"
...
Convert light frequency to RGB?
...d = -(Wavelength - 440) / (440 - 380);
Green = 0.0;
Blue = 1.0;
} else if((Wavelength >= 440) && (Wavelength < 490)) {
Red = 0.0;
Green = (Wavelength - 440) / (490 - 440);
Blue = 1.0;
} else if((Wavelength >= 490) && (Wavelengt...
How to create border in UIButton?
...];
[[button layer] setMasksToBounds:YES];
[[button layer] setBorderWidth:1.0f];
you can change the float values as required.
enjoy.
Here's some typical modern code ...
self.buttonTag.layer.borderWidth = 1.0f;
self.buttonCancel.layer.borderWidth = 1.0f;
self.buttonTag.layer.borderColor = [U...
宽度默认980px？手机浏览器及pc浏览器width自适应问题 - 更多技术 - 清泛网...
...度：
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=2.0, user-scalable=yes" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="format-detection" content="telephone=no" />
第一行：
width=device-width ：表示...
Changing the “tick frequency” on x or y axis in matplotlib?
...ant to tick marks with plt.xticks:
plt.xticks(np.arange(min(x), max(x)+1, 1.0))
For example,
import numpy as np
import matplotlib.pyplot as plt
x = [0,5,9,10,15]
y = [0,1,2,3,4]
plt.plot(x,y)
plt.xticks(np.arange(min(x), max(x)+1, 1.0))
plt.show()
(np.arange was used rather than Python's ...
How to normalize an array in NumPy?
...ke:
import transformations as trafo
import numpy as np
data = np.array([[1.0, 1.0, 0.0],
[1.0, 1.0, 1.0],
[1.0, 2.0, 3.0]])
print(trafo.unit_vector(data, axis=1))
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...
Showing the same file in both columns of a Sublime Text window
...1:
w.run_command('set_layout', {
'cols': [0.0, 1.0],
'rows': [0.0, 0.33, 1.0],
'cells': [[0, 0, 1, 1], [0, 1, 1, 2]]
})
w.focus_group(0)
w.run_command('clone_file')
w.run_command('move_to_grou...
iPhone UIView Animation Best Practice
...tionCurve:UIViewAnimationCurveEaseInOut];
[UIView setAnimationDuration:1.0];
[UIView setAnimationDelegate:self];
if (movingViewIn) {
// after the animation is over, call afterAnimationProceedWithGame
// to start the game
[UIView setAnimationDidStopSelector:@selector(afterAnimati...
Difference between decimal, float and double in .NET?
...bers that can be represented in decimal notation, but not 1/3 for example. 1.0m / 3.0m will evaluate to 0.33333333... with a large but finite number of 3s at the end. Multiplying it by 3 will not return an exact 1.0.
– Erik P.
Nov 29 '11 at 21:14
...