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Any reason why scala does not explicitly support dependent types?
...w that Scala is a lot closer to these other languages than is typically acknowledged.
Despite the terminology, dependent sum types (also known as Sigma types) are simply a pair of values where the type of the second value is dependent on the first value. This is directly representable in Scala,
sc...
How to disable a link using only CSS?
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This now works in all modern browsers including IE 11. If you need support for IE 10 and below, you can use a JavaScript polyfill such as this one.
– Keavon
Jul 31 '14 at 5:13
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Javascript: How to loop through ALL DOM elements on a page?
...tead
This would certainly speed up matters for modern browsers.
Browsers now support foreach on NodeList. This means you can directly loop the elements instead of writing your own for loop.
document.querySelectorAll('*').forEach(function(node) {
// Do whatever you want with the node object.
})...
Best way to serialize an NSData into a hexadeximal string
..., and >'s. Stripping characters just feels too "hacky". Plus you never know if Apple will change the formatting of NSData's -description in the future.
NOTE: I have had people reach out to me about licensing for the code in this answer. I hereby dedicate my copyright in the code I posted in this...
Getting raw SQL query string from PDO prepared statements
...r my thanks as well, was outside an entire extra class for this which I've now removed in favour of this as it's tiny and brilliant :). So damn useful for debbuging all the queries an application is doing on each page by logging them :D
– NaughtySquid
May 3 '17...
What is DOM Event delegation?
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Event bubbling provides the foundation for event delegation in browsers. Now you can bind an event handler to a single parent element, and that handler will get executed whenever the event occurs on any of its child nodes (and any of their children in turn). This is event delegation. Here's an exa...
Understanding Python super() with __init__() methods [duplicate]
..."UserDependency init'ed")
super(UserDependency, self).__init__()
Now remember, ChildB uses super, ChildA does not:
class UserA(ChildA, UserDependency):
def __init__(self):
print("UserA init'ed")
super(UserA, self).__init__()
class UserB(ChildB, UserDependency):
de...
matplotlib colorbar for scatter
...t needs to be a list of floats rather than a list of tuples as you have it now.
plt.colorbar() wants a mappable object, like the CircleCollection that plt.scatter() returns.
vmin and vmax can then control the limits of your colorbar. Things outside vmin/vmax get the colors of the endpoints.
How do...
Adjust UILabel height to text
...want to adjust their height to the text, this is the code I wrote for this now
17 Answers
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Find column whose name contains a specific string
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Just iterate over DataFrame.columns, now this is an example in which you will end up with a list of column names that match:
import pandas as pd
data = {'spike-2': [1,2,3], 'hey spke': [4,5,6], 'spiked-in': [7,8,9], 'no': [10,11,12]}
df = pd.DataFrame(data)
s...