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How are strings passed in .NET?

...ine(strMain); // What gets printed? } There are three things you need to know to understand what happens here: Strings are reference types in C#. They are also immutable, so any time you do something that looks like you're changing the string, you aren't. A completely new string gets created, the ...
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XDocument or XmlDocument

I am now learning XmlDocument but I've just ran into XDocument and when I try to search the difference or benefits of them I can't find something useful, could you please tell me why you would use one over another ? ...
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Regex for password must contain at least eight characters, at least one number and both lower and up

...avor, \W matches only ASCII characters. So you haven't changed that, and now you have to filter out whitespace characters. Furthermore, all the parentheses and {1,} quantifiers you added are pure noise, and removing the non-greedy (?) operators was pointless. There is no improvement here. ...
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Linux error while loading shared libraries: cannot open shared object file: No such file or director

...other one, you'll have a libfoo.so.1.1, and libfoo.so.1 and libfoo.so will now point to the new one, but any code that requires that exact version can use the libfoo.so.1.0 file. Code that just relies on the version 1 API, but doesn't care if it's 1.0 or 1.1 will specify libfoo.so.1. As orip point...
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In Windows Azure: What are web role, worker role and VM role?

...pplication in Windows Azure, so I created a web role. I actually want to know what these roles are for. What is their significance coding wise or storage wise? ...
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How can I filter a date of a DateTimeField in Django?

...n't work with datetimefields. The second alternative works ;). If someone knows another method please answer – Xidobix Aug 23 '09 at 4:14 ...
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How do I get a file extension in PHP?

...uilt-in function to do that and not PHP (I am looking at Pythonistas right now :-)). In fact, it does exist, but few people know it. Meet pathinfo(): $ext = pathinfo($filename, PATHINFO_EXTENSION); This is fast and built-in. pathinfo() can give you other information, such as canonical path, depe...
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How to make URL/Phone-clickable UILabel?

... Setting the font is now done by: button.titleLabel.font = [UIFont systemFontOfSize:size]; – Leon Apr 16 '18 at 8:12 ...
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What is the purpose of fork()?

...d process const char *argv[] = {"arg1", "arg2", "arg3", NULL}; // now start executing some other program exec("/path/to/a/program", argv); } The shell spawns a child process using exec and waits for it to complete, then continues with its own execution. Note that you don't have to us...
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Can you issue pull requests from the command line on GitHub?

... UPDATE: The hub command is now an official github project and also supports creating pull requests ORIGINAL: Seems like a particularly useful thing to add to the hub command: http://github.com/defunkt/hub or the github gem: http://github.com/defunkt/...