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When & why to use delegates? [duplicate]

I'm relatively new in C#, & I'm wondering when to use Delegates appropriately . they are widely used in events declaration, but when should I use them in my own code and why are they useful? why not to use something else? ...
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Using Python 3 in virtualenv

Using virtualenv , I run my projects with the default version of Python (2.7). On one project, I need to use Python 3.4. ...
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Passing functions with arguments to another function in Python?

Is it possible to pass functions with arguments to another function in Python? 7 Answers ...
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How to stop mysqld

...rt sudo /Library/StartupItems/MySQLCOM/MySQLCOM restart I found that in: https://stackoverflow.com/a/102094/58768 share | improve this answer | follow | ...
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How to connect to Mysql Server inside VirtualBox Vagrant?

...server, you want to be aware of the security implications, discussed here: https://serverfault.com/questions/257513/how-bad-is-setting-mysqls-bind-address-to-0-0-0-0 share | improve this answer ...
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Keyboard shortcut to change font size in Eclipse?

...riginal question was posted, but for future reference: check this project, https://github.com/gkorland/Eclipse-Fonts I have used it, and it's very simple and efficient. share | improve this answer ...
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Avoid trailing zeroes in printf()

I keep stumbling on the format specifiers for the printf() family of functions. What I want is to be able to print a double (or float) with a maximum given number of digits after the decimal point. If I use: ...
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How do I find if a string starts with another string in Ruby?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Write string to output stream

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Simplest way to detect a mobile device in PHP

What is the simplest way to tell if a user is using a mobile device to browse my site using PHP? 15 Answers ...