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Advantage of switch over if-else statement
...n, so you don't lose anything. If in doubt put the most common cases first into the switch statement.
In the best case the optimizer may find a better way to generate the code. Common things a compiler does is to build a binary decision tree (saves compares and jumps in the average case) or simply ...
C++ templates that accept only certain types
...<typename T> class my_template; // Declare, but don't define
// int is a valid type
template<> class my_template<int> {
...
};
// All pointer types are valid
template<typename T> class my_template<T*> {
...
};
// All other types are invalid, and will caus...
Can a shell script set environment variables of the calling shell? [duplicate]
... answered Jan 30 '09 at 19:06
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How do you use NSAttributedString?
... possible. So I've heard a little about the NSAttributedString which was introduced with the iPad SDK 3.2 (or around 3.2) and is available on the iPhone as of iPhone SDK 4.0 beta .
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DateTime.ToString(“MM/dd/yyyy HH:mm:ss.fff”) resulted in something like “09/14/2013 07.20.31.371”
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Convert Date To String
Use name Space
using System.Globalization;
Code
string date = DateTime.ParseExact(datetext.Text, "dd-MM-yyyy", CultureInfo.InstalledUICulture).ToString("yyyy-MM-dd");
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How to sort a Ruby Hash by number value?
...e your code to:
metrics.sort {|a1,a2| a2[1].to_i <=> a1[1].to_i }
Converted to strings along the way or not, this will do the job.
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Assign null to a SqlParameter
The following code gives an error - "No implicit conversion from DBnull to int."
18 Answers
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Applicatives compose, monads don't
...lue in s can determine the behaviour of a computation in m t. Monads allow interference between the value and computation layers. The (<*>) operator allows no such interference: the function and argument computations don't depend on values. This really bites. Compare
miffy :: Monad m => m ...
Transform DateTime into simple Date in Ruby on Rails
...at .to_date() is not present in standard ruby so we have to do workaround. Converting from DateTime to Date with correct timezone trough string (!!!) is not elegant. Understanding the internals of the DateTime and Date is not easy. Just rampaging, ignore! :-)
– Notinlist
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POST data in JSON format
I have some data that I need to convert to JSON format and then POST it with a JavaScript function.
4 Answers
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