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String is immutable. What exactly is the meaning? [duplicate]

...ith the fuss of immutability, let's just take a look into the String class and its functionality a little before coming to any conclusion. This is how String works: String str = "knowledge"; This, as usual, creates a string containing "knowledge" and assigns it a reference str. Simple enough? Le...
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Best practices for using Markers in SLF4J/Logback

We are using SLF4J+Logback combination at our project for a while now and are quite happy with it, but our logging strategy is fairly simple, using straightforward class based loggers and no fancy stuff like MDC or Markers. ...
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Difference between -pthread and -lpthread while compiling

What is the difference between gcc -pthread and gcc -lpthread which is used while compiling multithreaded programs? 3 A...
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In AngularJS, what's the difference between ng-pristine and ng-dirty?

What are the differences between ng-pristine and ng-dirty ? It seems you can have both to be true : 5 Answers ...
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#import using angle brackets < > and quote marks “ ”

..." for files in your project that you've got the implementation source to, and angle brackets &lt;&gt; when you're referencing a library or framework. ...
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Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]

Amazon's EC2 service offers a variety of Linux and Windows OS choices, but I haven't found a service offering a similar "rent by the hour" service for a remote Mac OS X virtual machine. Does such a service exist? (iCloud looks to be just a data storage service, rather than a service allowing remot...
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SQL Server : Columns to Rows

...icatorname, indicatorvalue); Finally, if you have 150 columns to unpivot and you don't want to hard-code the entire query, then you could generate the sql statement using dynamic SQL: DECLARE @colsUnpivot AS NVARCHAR(MAX), @query AS NVARCHAR(MAX) select @colsUnpivot = stuff((select ','+qu...
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How to remove an HTML element using Javascript?

... What's happening is that the form is getting submitted, and so the page is being refreshed (with its original content). You're handling the click event on a submit button. If you want to remove the element and not submit the form, handle the submit event on the form instead, and ...
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What is the significance of 1/1/1753 in SQL Server?

... do they have against 1752? My great great great great great great great grandfather would be very offended. 5 Answers ...
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How to execute Python scripts in Windows?

... extension. It's associated with the file type "Python.File", so this command shows what it will be doing: C:\&gt;ftype Python.File Python.File="c:\python26\python.exe" "%1" %* So on my machine, when I type "blah.py foo", it will execute this exact command, with no difference in results...