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Why do we need fibers
... the original iterator method, the Enumerator can also return the elements one by one if you call next on it repeatedly:
irb(main):001:0> e = "abc".chars
=> #<Enumerator: "abc":chars>
irb(main):002:0> e.next
=> "a"
irb(main):003:0> e.next
=> "b"
irb(main):004:0> e.next
=&...
Difference between abstraction and encapsulation?
...encapsulation is indeed a special kind of abstraction, namely a structural one. By considering something compound as a whole we basically ignore (abstract from) the details of how it is built up of something else, i.e. ignore its internal structure.
– proskor
J...
How to store a list in a column of a database table
...n a single column. Relational databases are designed specifically to store one value per row/column combination. In order to store more than one value, you must serialize your list into a single value for storage, then deserialize it upon retrieval. There is no other way to do what you're talking ab...
What is an unsigned char?
...numeric type is required to cover. sizeof (char) is required to be 1 (i.e. one byte), but a byte could in theory be for example 32 bits. sizeof would still be report its size as 1 - meaning that you could have sizeof (char) == sizeof (long) == 1.
...
How to write to an existing excel file without overwriting data (using pandas)?
...
This solution works fine. It has one drawback though. It breaks formulas and connections within the spreadsheet. Any ideas how to change this behaviour?
– BP_
Nov 27 '13 at 15:18
...
What is Node.js' Connect, Express and “middleware”?
...rojects in Node.js ecosystem do. Is it something like Rails' Rack? Can someone please explain?
8 Answers
...
C# Regex for Guid
...
This one is quite simple and does not require a delegate as you say.
resultString = Regex.Replace(subjectString,
@"(?im)^[{(]?[0-9A-F]{8}[-]?(?:[0-9A-F]{4}[-]?){3}[0-9A-F]{12}[)}]?$",
"'$0'");
This matches the follo...
How do I iterate over the words of a string?
..., "\n"));
}
Instead of copying the extracted tokens to an output stream, one could insert them into a container, using the same generic copy algorithm.
vector<string> tokens;
copy(istream_iterator<string>(iss),
istream_iterator<string>(),
back_inserter(tokens));
... ...
What is a “batch”, and why is GO used?
... to separate each country code into a separate transaction - which can be done by separating them on the client with go.
Some SQL statements MUST be separated by GO from the following ones in order to work.
For example, you can't drop a table and re-create the same-named table in a single transacti...
Parallelize Bash script with maximum number of processes
...a
time. Use the -n option with -P; otherwise chances are that only one
exec will be done.
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