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Can I use a binary literal in C or C++?
...le itoa function, or implement your own.
Unfortunately you cannot do base 2 formatting with STL streams (since setbase will only honour bases 8, 10 and 16), but you can use either a std::string version of itoa, or (the more concise, yet marginally less efficient) std::bitset.
#include <boost/ut...
Why does multiprocessing use only a single core after I import numpy?
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edited Oct 22 '13 at 22:44
answered Mar 26 '13 at 15:36
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Which is faster: Stack allocation or Heap allocation
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Running multiple AsyncTasks at the same time — not possible?
...in what version exactly they changed that.
UPDATE:
Here is what current (2012-01-27) API says on this:
When first introduced, AsyncTasks were executed serially on a single background thread. Starting with DONUT, this was changed to a pool of threads allowing multiple tasks to operate in parall...
Is there any difference between GROUP BY and DISTINCT
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Convert a Scala list to a tuple?
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Tom CrockettTom Crockett
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Check for internet connection availability in Swift
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229
As mentioned in the comments, although its possible to use Objective-C libraries in Swift, I w...
Can a CSV file have a comment?
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The CSV "standard" (such as it is) does not dictate how comments should be handled, no, it's up...
How to empty a Heroku database
...eed) into one action by executing this:
$ heroku run rake db:setup
Edit 2014-04-18: rake db:setup doesn't work with Rails 4, it fails with a Couldn't create database error.
Edit 2014-10-09: You can use rake db:setup with Rails 4. It does give you a Couldn't create database error (because the dat...
Mongodb Explain for Aggregation framework
...ve you the desired results (documentation here).
For older versions >= 2.6, you will need to use the explain option for aggregation pipeline operations
explain:true
db.collection.aggregate([
{ $project : { "Tags._id" : 1 }},
{ $unwind : "$Tags" },
{ $match: {$or: [{"Tags._id":"tag1...