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What's the difference between Cache-Control: max-age=0 and no-cache?

...r Cache-Control: max-age=0 implies that the content is considered stale (and must be re-fetched) immediately, which is in effect the same thing as Cache-Control: no-cache . ...
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Best practice for partial updates in a RESTful service

I am writing a RESTful service for a customer management system and I am trying to find the best practice for updating records partially. For example, I want the caller to be able to read the full record with a GET request. But for updating it only certain operations on the record are allowed, like ...
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Pointer arithmetic for void pointer in C

... Final conclusion: arithmetic on a void* is illegal in both C and C++. GCC allows it as an extension, see Arithmetic on void- and Function-Pointers (note that this section is part of the "C Extensions" chapter of the manual). Clang and ICC likely allow void* arithmetic for the purpose...
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In Windows cmd, how do I prompt for user input and use the result in another command?

I have a Windows .bat file which I would like to accept user input and then use the results of that input as part of the call to additional commands. ...
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git: Switch branch and ignore any changes without committing

I was working on a git branch and was ready to commit my changes, so I made a commit with a useful commit message. I then absentmindedly made minor changes to the code that are not worth keeping. I now want to change branches, but git gives me, ...
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Unable to resolve “unable to get local issuer certificate” using git on Windows with self-signed cer

... test repository has a self signed certificate at the server. I can access and use the repository using HTTP without problems. Moving to HTTPS gives the error: ...
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What are invalid characters in XML

... The only illegal characters are &, < and > (as well as " or ' in attributes). They're escaped using XML entities, in this case you want & for &. Really, though, you should use a tool or library that writes XML for you and abstracts this kind of ...
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Options, Settings, Properties, Configuration, Preferences — when and why?

...In truth it doesn't really matter so long as your expected audience understands what you mean. The biggest difference is between Properties, which usually affect a component or object, and the others, which affect the whole application. Following an approximate lead from Visual Studio and other M...
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How can I use functional programming in the real world? [closed]

...at will pass functions off to different CPU's or machines. What F#/Haskell and other functional programming languages do is make it easier for you to write functions that can be processed independent of the thread or CPU they were created on. I don't feel right posting a link here to a podcast I pa...
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How to center a “position: absolute” element

... Smartest answer. I have just checked it and it works on all browsers. It does not work on IE8 but it works on IE>=9 – Roger Dec 11 '13 at 9:43 ...