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Labels for radio buttons in rails form
...e good one. Caveat: you need Rails >= 2.3.3
– tokland
Dec 10 '10 at 15:27
3
this method also r...
How to start an Intent by passing some parameters to it?
...
In order to pass the parameters you create new intent and put a parameter map:
Intent myIntent = new Intent(this, NewActivityClassName.class);
myIntent.putExtra("firstKeyName","FirstKeyValue");
myIntent.putExtra("secondKeyName","SecondKeyValue");
startActivity(myIntent);
In o...
Display image as grayscale using matplotlib
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The following code will load an image from a file image.png and will display it as grayscale.
import numpy as np
import matplotlib.pyplot as plt
from PIL import Image
fname = 'image.png'
image = Image.open(fname).convert("L")
arr = np.asarray(image)
plt.imshow(arr, cmap='gray', vmin...
CSS3 Spin Animation
I have reviewed quite a few demos and have no idea why I can't get the CSS3 spin to function. I am using the latest stable release of Chrome.
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How to convert a java.util.List to a Scala list
... edited Dec 3 '15 at 18:44
Andrew Whitaker
116k2727 gold badges268268 silver badges292292 bronze badges
answered Oct 24 '15 at 1:16
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Getting DOM elements by classname
I'm using PHP DOM and I'm trying to get an element within a DOM node that have a given class name. What's the best way to get that sub-element?
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Get the first key name of a javascript object [duplicate]
...engineerDave, this is future you. We've changed our stackOverflow account handle and we've made a whole bunch of money by inventing time travel, but that is beside the point. I just wanted to say, "Thanks", this little note helped me out.
– isaacdre
Oct 11 '18 ...
What is the best way to compare floats for almost-equality in Python?
...nown that comparing floats for equality is a little fiddly due to rounding and precision issues.
15 Answers
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jQuery Validate Plugin - How to create a simple custom rule?
...|| (parseFloat(value) > 0);
}, "* Amount must be greater than zero");
And then applying this like so:
$('validatorElement').validate({
rules : {
amount : { greaterThanZero : true }
}
});
Just change the contents of the 'addMethod' to validate your checkboxes.
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Inconsistent accessibility: property type is less accessible
...ss is internal (the default visibility for classes), however the property (and presumably the containing class) are public, so the property is more accessible than the Delivery class. You need to either make Delivery public, or restrict the visibility of the thelivery property.
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