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Why .NET String is immutable? [duplicate]
... immutable. What are the reasons for String being immutable and the introduction of StringBuilder class as mutable?
13 An...
scp or sftp copy multiple files with single command
I'd like to copy files from/to remote server in different directories.
For example, I want to run these 4 commands at once.
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How to generate a random string in Ruby
I'm currently generating an 8-character pseudo-random uppercase string for "A" .. "Z":
50 Answers
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gdb split view with code
... new feature I've never seen or even heard of before, a split view where I can see and browse the code in addition to giving commands:
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c++11 Return value optimization or move? [duplicate]
I don't understand when I should use std::move and when I should let the compiler optimize... for example:
4 Answers
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When to use enumerateObjectsUsingBlock vs. for
Besides the obvious differences:
6 Answers
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Save current directory in variable using Bash?
What I'm trying to do is find the current working directory and save it into a variable, so that I can run export PATH=$PATH:currentdir+somethingelse . I'm not entirely sure if they have a variable that contains cwd by default.
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Remove all special characters except space from a string using JavaScript
I want to remove all special characters except space from a string using JavaScript.
11 Answers
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How can I make grep print the lines below and above each matching line? [duplicate]
I have to parse a very large file and I want to use the command grep (or any other tool).
3 Answers
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UNIX export command [closed]
I am trying to understand the use of export command.
4 Answers
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