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Is there an expression for an infinite generator?
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for x in iter(int, 1): pass
Two-argument iter = zero-argument callable + sentinel value
int() always returns 0
Therefore, iter(int, 1) is an infinite iterator. There are obviously a huge number of variations on this particular theme (especially once you add lambda into the mix). One va...
How to list out all the subviews in a uiviewcontroller in iOS?
I want to list out all the subviews in a UIViewController . I tried self.view.subviews , but not all of the subviews are listed out, for instance, the subviews in the UITableViewCell are not found. Any idea?
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How to concatenate properties from multiple JavaScript objects
...n Javascript.
The Object.assign() method is used to copy the values of all enumerable own properties from one or more source objects to a target object. It will return the target object.
MDN documentation on Object.assign()
var o1 = { a: 1 };
var o2 = { b: 2 };
var o3 = { c: 3 };
var...
MD5 algorithm in Objective-C
...ENGTH];
CC_MD5( cStr, (int)strlen(cStr), result ); // This is the md5 call
return [NSString stringWithFormat:
@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
result[0], result[1], result[2], result[3],
result[4], result[5], result[6], result[7],
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Python memoising/deferred lookup property decorator
...nce, but they're a real bottleneck to calculate that first time and only really accessed for special cases. Hence they can also be cached after they've been retrieved from the database (this therefore fits the definition of memoisation where the input is simply "no input").
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Get the latest record from mongodb collection
...1 means order opposite of the one that records are inserted in.
Edit: For all the downvoters, above is a Mongoose syntax,
mongo CLI syntax is: db.collectionName.find({}).sort({$natural:-1}).limit(1)
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How can I add a PHP page to WordPress?
...og that will execute my PHP code in it, whilst remaining a part of the overall site CSS/theme/design.
17 Answers
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What is the best way to implement nested dictionaries?
I have a data structure which essentially amounts to a nested dictionary. Let's say it looks like this:
21 Answers
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Auto-center map with multiple markers in Google Maps API v3
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@MultiformeIngegno Calling it right after fitBounds worked for me in a brief test; let me know if you're still having trouble.
– metadept
Mar 30 '13 at 15:35
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Python function attributes - uses and abuses [closed]
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I typically use function attributes as storage for annotations. Suppose I want to write, in the style of C# (indicating that a certain method should be part of the web service interface)
class Foo(WebService):
@webmethod
de...