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Linking R and Julia?
...e really basic flexible general data structure in R.
Note that Doug Bates alerted me about RCall a bi-directional interface from Julia to R (i.e., the other direction than R to Julia). Also, Doug recommended to target julia 0.4.0 rather than the current stable versions of julia.
...
Creating a singleton in Python
...ey are separate and encapsulated. The metaclass implementation passes this test. The metaclass is responsible for enforcing the pattern and the created class and subclasses need not be aware that they are singletons. Method #1 fails this test, as you noted with "MyClass itself is a a function, not a...
C# Sanitize File Name
...gnoreCase);
}
return sanitisedNamePart;
}
And these are my unit tests
[Test]
public void CoerceValidFileName_SimpleValid()
{
var filename = @"thisIsValid.txt";
var result = PathHelper.CoerceValidFileName(filename);
Assert.AreEqual(filename, result);
}
[Test]
public void Coer...
RegEx for Javascript to allow only alphanumeric
...If you wanted to return a replaced result, then this would work:
var a = 'Test123*** TEST';
var b = a.replace(/[^a-z0-9]/gi,'');
console.log(b);
This would return:
Test123TEST
Note that the gi is necessary because it means global (not just on the first match), and case-insensitive, which is wh...
Checking if a double (or float) is NaN in C++
...+ (with -fastmath) screw that up. the only general way, until c++0x, is to test for bitpattern.
– Cheers and hth. - Alf
Mar 26 '11 at 9:15
66
...
Rename MySQL database [duplicate]
...emonstrate the use of this script, used a sample schema “emp”, created test triggers, stored routines on that schema. Will try to rename the database schema using the script, which takes some seconds to complete as opposed to time consuming dump/restore method.
mysql> show databases;
+------...
NodeJS: How to get the server's port?
...tory structure from express command:
alfred@alfred-laptop:~/node$ express test4
create : test4
create : test4/app.js
create : test4/public/images
create : test4/public/javascripts
create : test4/logs
create : test4/pids
create : test4/public/stylesheets
create : test4/public...
Unable to login to SQL Server + SQL Server Authentication + Error: 18456
...ssages of severity lower than 19 therefore do not trigger SQL Server Agent alerts.
Sung Lee, Program Manager in SQL Server Protocols (Dev.team) has outlined further information on Error state description:The common error states and their descriptions are provided in the following table:
ERROR ST...
“The file ”MyApp.app“ couldn't be opened because you don't have permission to view it” when running
... from the added library.
Then it is working fine without any permission alert.
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Opacity of div's background without affecting contained element in IE 8?
...
But be advised that rgba may not be supported by your required browsers.
Alert-free modal dialog functionality
But if you're after some kind of masking the whole page, this is usually done by adding a separate div with this set of styles:
position: fixed;
width: 100%;
height: 100%;
z-index: 1000...