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How does this print “hello world”?
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The number 4946144450195624 fits 64 bits, its binary representation is:
10001100100100111110111111110111101100011000010101000
The program decodes a character for every 5-bits group, from right to left
00100|01100|10010|01111|1...
String replacement in Objective-C
How to replace a character is a string in Objective-C?
6 Answers
6
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C++ auto keyword. Why is it magic?
From all the material I used to learn C++, auto has always been a weird storage duration specifier that didn't serve any purpose. But just recently, I encountered code that used it as a type name in and of itself. Out of curiosity I tried it, and it assumes the type of whatever I happen to assig...
Why can't C# interfaces contain fields?
...n that every implementation has to separately declare Year ? Wouldn't it be nicer to simply define this in the interface?
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Show the progress of a Python multiprocessing pool imap_unordered call?
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There is no need to access private attributes of the result set:
from __future__ import division
import sys
for i, _ in enumerate(p.imap_unordered(do_work, xrange(num_tasks)), 1):
sys.stderr.write('\rdone {0:%}'.format(i/num_tasks))
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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
In PostgreSQL I have a table with a varchar column. The data is supposed to be integers and I need it in integer type in a query. Some values are empty strings.
The following:
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How to impose maxlength on textArea in HTML using JavaScript
I would like to have some functionality by which if I write
15 Answers
15
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Using the Underscore module with Node.js
I've been learning about node.js and modules, and can't seem to get the Underscore library to work properly... it seems that the first time I use a function from Underscore, it overwrites the _ object with the result of my function call. Anyone know what's going on? For example, here is a session ...
Split string on the first white space occurrence
I didn't get an optimized regex that split me a String basing into the first white space occurrence:
13 Answers
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Why should I avoid std::enable_if in function signatures
...te that one item in the book could be "Avoid std::enable_if in function signatures" .
3 Answers
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