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What's the point of 'const' in the Haskell Prelude?
...ful for passing to higher-order functions when you don't need all their flexibility. For example, the monadic sequence operator >> can be defined in terms of the monadic bind operator as
x >> y = x >>= const y
It's somewhat neater than using a lambda
x >> y = x >>= ...
Pythonic way to find maximum value and its index in a list?
If I want the maximum value in a list, I can just write max(List) , but what if I also need the index of the maximum value?
...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...lication at work. In IE10 the requests work fine, but in Chrome all the AJAX requests (which there are many) are sent using OPTIONS instead of whatever defined method I give it. Technically my requests are "cross domain." The site is served on localhost:6120 and the service I'm making AJAX requests ...
Send a file via HTTP POST with C#
... from NuGet) there is an easier way to simulate form requests. Here is an example:
private async Task<System.IO.Stream> Upload(string actionUrl, string paramString, Stream paramFileStream, byte [] paramFileBytes)
{
HttpContent stringContent = new StringContent(paramString);
HttpConten...
What does value & 0xff do in Java?
...values1, so what happens is:
value is promoted to an int (ff ff ff fe).
0xff is an int literal (00 00 00 ff).
The & is applied to yield the desired value for result.
(The point is that conversion to int happens before the & operator is applied.)
1Well, not quite. The & operator work...
Shell command to sum integers, one per line?
I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers.
...
Enum “Inheritance”
... In fact all enums must actually inherit from System.Enum. C# allows syntax to change the underlying representation of the enum values which looks like inheritance, but in actuality they still inherit from System.enum.
See section 8.5.2 of the CLI spec for the full details. Relevant information f...
_csv.Error: field larger than field limit (131072)
...e the field_size_limit:
import sys
import csv
csv.field_size_limit(sys.maxsize)
sys.maxsize works for Python 2.x and 3.x. sys.maxint would only work with Python 2.x (SO: what-is-sys-maxint-in-python-3)
Update
As Geoff pointed out, the code above might result in the following error: OverflowErr...
Why does C# forbid generic attribute types?
This causes a compile-time exception:
7 Answers
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