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Is there a method to generate a UUID with go language
...the purpose ?
These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though.
If you are on linux, you can alternativel...
MongoDB/Mongoose querying at a specific date?
...cludes the time components. To query those times you need to create a date range that includes all moments in a day.
db.posts.find( //query today up to tonight
{"created_on": {"$gte": new Date(2012, 7, 14), "$lt": new Date(2012, 7, 15)}})
...
What is the reason behind cbegin/cend?
...ion to this problem: std::as_const. Well, at least it's elegant when using range-based for:
for(auto &item : std::as_const(vec))
This simply returns a const& to the object it is provided.
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Int to Char in C#
...Int value to the corresponding Char in Utf16, given that the Int is in the range of valid values?
3 Answers
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Split a List into smaller lists of N size
... i < locations.Count; i += nSize)
{
list.Add(locations.GetRange(i, Math.Min(nSize, locations.Count - i)));
}
return list;
}
Generic version:
public static IEnumerable<List<T>> SplitList<T>(List<T> locations, int nSize=30)
{
for (...
The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or
...objects they return when used for extraction and whether they may accept a range of values, or just a single value during assignment.
Consider the case of data extraction on the following list:
foo <- list( str='R', vec=c(1,2,3), bool=TRUE )
Say we would like to extract the value stored by bo...
Why and when to use Node.js? [duplicate]
...arge number of modules and the npm package manager where you can find wide range of ready-to-use applications.
Fast/unencumbered development process - for example, you don't need tons of additional tools in order to start writing serious stuff.
Big open source based community full of enthusiasts and...
Revert to a commit by a SHA hash in Git? [duplicate]
...rt all commits between HEAD and <sha-id>, then you can pass a commit range to git revert,
git revert 56e05f..HEAD
and it will revert all commits between 56e05f and HEAD (excluding the start point of the range, 56e05f).
...
How does the HyperLogLog algorithm work?
...f random number (e.g. hashed values), they should distribute evenly over a range. Let's say the range is up to 10 bit to represent value up to 1024. Then observed the minimum value. Let's say it is 10. Then the cardinality will estimated to be about 100 (10 × 100 ≈ 1024).
Read the paper for the ...
Converting a Uniform Distribution to a Normal Distribution
...ing the log). Even if clamped to [-6, 6] the chances of being outside this range are about 1.98e-9, good enough for most people even in science. For the 8.57 and 9.41 figures this becomes 1.04e-17 and 4.97e-21. These numbers are so small that the difference between a Box Muller sampling and a true g...