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Deep cloning objects

... Whilst the standard practice is to implement the ICloneable interface (described here, so I won't regurgitate), here's a nice deep clone object copier I found on The Code Project a while ago and incorporated it in our stuff. As mentioned elsewhe...
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How to call an external command?

How do you call an external command (as if I'd typed it at the Unix shell or Windows command prompt) from within a Python script? ...
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What's the difference between a proc and a lambda in Ruby?

... One difference is in the way they handle arguments. Creating a proc using proc {} and Proc.new {} are equivalent. However, using lambda {} gives you a proc that checks the number of arguments passed to it. From ri Kernel#lambda: Equivalent to Proc.new, except the resulting Proc objec...
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Batch renaming files with Bash

How can Bash rename a series of packages to remove their version numbers? I've been toying around with both expr and %% , to no avail. ...
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How to HTML encode/escape a string? Is there a built-in?

I have an untrusted string that I want to show as text in an HTML page. I need to escape the chars ' < ' and ' & ' as HTML entities. The less fuss the better. ...
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Grep regex NOT containing string

I am passing a list of regex patterns to grep to check against a syslog file. They are usually matching an IP address and log entry; ...
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Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

... share | improve this answer | follow | edited Feb 15 '18 at 20:12 user664833 15k1...
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What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not

... Expand lets you specify whether you want to create the destination path in full (e.g: /path/missing1/missing2), or only create the last directory when its parent exists (/path/existing/missing). ...
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What is move semantics?

I just finished listening to the Software Engineering radio podcast interview with Scott Meyers regarding C++0x . Most of the new features made sense to me, and I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly? ...
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Html helper for

Is there a HTMLHelper for file upload? Specifically, I am looking for a replace of 8 Answers ...