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In log4j, does checking isDebugEnabled before logging improve performance?
...bugEnabled() to improve the performance.
https://logging.apache.org/log4j/2.0/manual/api.html#Java_8_lambda_support_for_lazy_logging
import java.util.logging.Logger;
...
Logger.getLogger("hello").info(() -> "Hello " + name);
...
.gitignore exclude folder but include specific subfolder
...
Commit 59856de from Karsten Blees (kblees) for Git 1.9/2.0 (Q1 2014) clarifies that case:
gitignore.txt: clarify recursive nature of excluded directories
An optional prefix "!" which negates the pattern; any matching file excluded by a previous pattern will become included a...
How can I make Array.Contains case-insensitive on a string array?
...NET 3.5 or higher, needing:
using System;
using System.Linq;
But: in .NET 2.0 the simple Contains() method (without taking case insensitivity into account) is at least possible like this, with a cast:
if ( ((IList<string>)mydotNet2Array).Contains(“str”) )
{}
As the Contains() method is ...
JSR-303 @Valid annotation not working for list of child objects
...Map<>();
//...
}
Also see what's new in Bean Validation 2.0/Jakarta Bean Validation.
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ASP.NET web.config: configSource vs. file attributes
...he file specified in configSource on a Configuration.Save call.
since .NET 2.0
System.Configuration.ConfigurationErrorsException is thrown if config source file does not exist.
The file attribute specifies an external file containing custom settings like you do in the appSettings entry of the web....
how to get the current working directory's absolute path from irb
...
As for the path relative to the current executing script, since Ruby 2.0 you can also use
__dir__
So this is basically the same as
File.dirname(__FILE__)
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Equivalent of typedef in C#
...to having a good look at Linq... for the record though, I was building for 2.0 at the time (in VS 2008 though)
– Matthew Scharley
Oct 2 '08 at 13:25
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In MVVM should the ViewModel or Model implement INotifyPropertyChanged?
... WinForms applications, also INotifyPropertyChanged has been in .Net since 2.0, WPF has only been around since 3.0
– benPearce
Mar 4 '11 at 6:03
40
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How to POST raw whole JSON in the body of a Retrofit request?
... {
//get your response....
Log.d(TAG, "RetroFit2.0 :RetroGetLogin: " + rawResponse.body().string());
}
catch (Exception e)
{
e.printStackTrace();
}
}
@Override
public void onFailure(C...
Retrieve the commit log for a specific line in a file?
...der 2007-12-02 06:07:55 +0100 156) # Check version because firefox < 2.0 do
5d6491c7 git-browse-help.sh (Christian Couder 2007-12-02 06:07:55 +0100 157) vers=$(expr "$($browser_path -version)"
5d6491c7 git-browse-help.sh (Christian Couder 2007-12-02 06:07:55 +0100 158) NEWTAB='-new-tab'...