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Is there any haskell function to concatenate list with separator?
... there a function to concatenate elements of a list with a separator?
For example:
5 Answers
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How to perform element-wise multiplication of two lists?
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Use a list comprehension mixed with zip():.
[a*b for a,b in zip(lista,listb)]
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Configure Sublime Text on OS X to show full directory path in title bar
On Linux, Sublime Text shows the full path of my currently open file in the title bar by default, but on OS X, it only shows the name of the file.
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What's the difference between dynamic (C# 4) and var?
...ing.Length, because it doesn't know anything about s at compile time. For example, the following would compile (but not run) too:
dynamic s = "abc";
Console.WriteLine(s.FlibbleBananaSnowball);
At runtime (only), it would check for the FlibbleBananaSnowball property - fail to find it, and explode ...
Python: Why is functools.partial necessary?
....partial offer that you can't get through lambdas?
Not much in terms of extra functionality (but, see later) – and, readability is in the eye of the beholder.
Most people who are familiar with functional programming languages (those in the Lisp/Scheme families in particular) appear to like lambd...
Serializing class instance to JSON
...SON serializable.
class Foo(object):
def __init__(self):
self.x = 1
self.y = 2
foo = Foo()
s = json.dumps(foo) # raises TypeError with "is not JSON serializable"
s = json.dumps(foo.__dict__) # s set to: {"x":1, "y":2}
The above approach is discussed in this blog posting:
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What do I use for a max-heap implementation in Python?
Python includes the heapq module for min-heaps, but I need a max heap. What should I use for a max-heap implementation in Python?
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LLVM vs clang on OS X
I have a question concerning llvm, clang, and gcc on OS X.
3 Answers
3
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Tri-state Check box in HTML?
...s comment, I found a better solution:
HTML5 defines a property for checkboxes called indeterminate
See w3c reference guide. To make checkbox appear visually indeterminate set it to true:
element.indeterminate = true;
Here is Janus Troelsen's fiddle. Note, however, that:
The indeterminate stat...
Is It Possible to Sandbox JavaScript Running In the Browser?
I'm wondering if it's possible to sandbox JavaScript running in the browser to prevent access to features that are normally available to JavaScript code running in an HTML page.
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