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Why .NET String is immutable? [duplicate]

...ow, String is immutable. What are the reasons for String being immutable and the introduction of StringBuilder class as mutable? ...
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What does enumerate() mean?

...is produced with (counter, element); the for loop binds that to row_number and row, respectively. Demo: >>> elements = ('foo', 'bar', 'baz') >>> for elem in elements: ... print elem ... foo bar baz >>> for count, elem in enumerate(elements): ... print count, ele...
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How to get the file name from a full path using JavaScript?

... var filename = fullPath.replace(/^.*[\\\/]/, '') This will handle both \ OR / in paths share | improve this answer | follow | ...
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Efficient way to return a std::vector in c++

How much data is copied, when returning a std::vector in a function and how big an optimization will it be to place the std::vector in free-store (on the heap) and return a pointer instead i.e. is: ...
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How to check if a symlink exists

... -L returns true if the "file" exists and is a symbolic link (the linked file may or may not exist). You want -f (returns true if file exists and is a regular file) or maybe just -e (returns true if file exists regardless of type). According to the GNU manpage, ...
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Getting the count of unique values in a column in bash

...currence of the different values in a column for all the files in a folder and sort them in decreasing order of count (highest count first). How would I accomplish this in a Linux command line environment? ...
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How to merge the current branch into another branch

I have two branches, master and dev. I always work on dev and only check code into the master branch once it's been approved for production use. When I do so, I have to do the following: ...
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Why is exception handling bad?

Google's Go language has no exceptions as a design choice, and Linus of Linux fame has called exceptions crap. Why? 15 Answ...
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File system that uses tags rather than folders?

...d to ship with Vista but due to technical problems the project was delayed and as far as I know finally canceled. NTFS is also capable of storing metadata for files but not to an extend of a full featured database file system. The integration of such a file system into an operating system should no...
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load scripts asynchronously

I am using several plugins, custom widgets and some other libraries from JQuery. as a result I have several .js and .css files. I need to create a loader for my site because it takes some time to load. it will be nice if I can display the loader before importing all the: ...