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Logger slf4j advantages of formatting with {} instead of string concatenation
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It is about string concatenation performance. It's potentially significant if your have dense logging statements.
(Prior to SLF4J 1.7) But only two parameters are possible
Because the vast majority of logging statements have 2 or fewer parameters, so SLF4J API up to version 1.6 covers ...
Mark parameters as NOT nullable in C#/.NET?
...a new struct and conversions.
In .NET 4.0 with the Code Contracts stuff, life will be a lot nicer. It would still be quite nice to have actual language syntax and support around non-nullability, but the code contracts will help a lot.
I also have an extension method in MiscUtil called ThrowIfNull ...
Find element's index in pandas Series
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This solution only works if your series has a sequential integer index. If your series index is by datetime, this doesn't work.
– Andrew Medlin
Jul 7 '18 at 11:45
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Regular expression to find URLs within a string
... string? I've found a lot of regular expressions on Google for determining if an entire string is a URL but I need to be able to search an entire string for URLs. For example, I would like to be able to find www.google.com and http://yahoo.com in the following string:
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How to find current transaction level?
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Run this:
SELECT CASE transaction_isolation_level
WHEN 0 THEN 'Unspecified'
WHEN 1 THEN 'ReadUncommitted'
WHEN 2 THEN 'ReadCommitted'
WHEN 3 THEN 'Repeatable'
WHEN 4 THEN 'Serializable'
WHEN 5 THEN 'Snapshot' END AS TRANSACTION_ISOLATION_LEVEL
FROM sys.dm_exec_sessions
where session_id ...
Pushing read-only GUI properties back into ViewModel
... var frameworkElement = (FrameworkElement)dependencyObject;
if ((bool)e.NewValue)
{
frameworkElement.SizeChanged += OnFrameworkElementSizeChanged;
UpdateObservedSizesForFrameworkElement(frameworkElement);
}
else
{
fra...
Visual Studio (2008) 'Clean Solution' Option
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Then what is the difference between "Build" and "Rebuild All?"
– Chad
Oct 14 '10 at 18:44
2
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TDD vs. Unit testing [closed]
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If the team is floundering at implementing TDD, but they weren't creating any Unit Tests before...then start them off by creating Unit Tests after their code is written. Even Unit tests written after the code are better than ...
Batch Renaming of Files in a Directory
... as a formatting operator. But usually it is followed by the s or f to specify the format. Why is nothing (space) immediately after % in the said command?
– Shashank Sawant
Apr 5 '14 at 22:32
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How can I get my webapp's base URL in ASP.NET MVC?
...ckly determine what the root URL is for my ASP.NET MVC application? I.e., if IIS is set to serve my application at http://example.com/foo/bar , then I'd like to be able to get that URL in a reliable way that doesn't involve getting the current URL from the request and chopping it up in some fragil...