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Xcode is not currently available from the Software Update server

... The link provided by Nikos M. is correct. Click here! However you can no longer download these tools without being a registered Apple developer. So either sign in with your Apple Developer ID or click 'Register', agree with Apple's terms, comp...
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Difference between UTF-8 and UTF-16?

... characters like digits, Latin characters with no accents, etc. occupy one byte which is identical to US-ASCII representation. This way all US-ASCII strings become valid UTF-8, which provides decent backwards compatibility in many cases. No null bytes, which allows to use null-terminated strings, th...
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Can anyone explain IEnumerable and IEnumerator to me? [closed]

...numerator(); while (bat.MoveNext()) { bar = (Foo)bat.Current ... } By "functionally equivalent," I mean that's actually what the compiler turns the code into. You can't use foreach on baz in this example unless baz implements IEnumerable. IEnumerable means that baz implements the method ...
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Comparing Haskell's Snap and Yesod web frameworks

...ap, and xmlhtml. snap-server is a web server that exposes the API defined by snap-core. heist is a templating system. xmlhtml is an XML/HTML parsing and rendering library used by heist. snap is an umbrella project that glues them all together and provides the powerful snaplets API that makes web...
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How do I change the Javadocs template generated in Eclipse?

...le / Code Template Section Comment / Type You can replace the author tag by whatever value you need and it will have an effect on new generated classes. However, if the template is fine, but the value referenced buy the author tag is not, see this SO question: ${user} uses the value of the u...
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How to select only the records with the highest date in LINQ

...for each account, you'd use this: var q = from n in table group n by n.AccountId into g select new {AccountId = g.Key, Date = g.Max(t=>t.Date)}; If you want the whole record: var q = from n in table group n by n.AccountId into g select g.OrderByDescending(t=&gt...
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How do I add a submodule to a sub-directory?

...module add" when not at the top level of the working tree. Signed-off-by: John Keeping Depends on commit 12b9d32790b40bf3ea49134095619700191abf1f This makes 'git rev-parse' behave as if it were invoked from the specified subdirectory of a repository, with the difference that any file pat...
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Test iOS app on device without apple developer program or jailbreak

...ws you to deploy and run any number of apps on any of your devices, simply by logging in with your Apple ID. You will no longer need a paid Program membership to deploy apps on your own device (and you certainly no longer have to jailbreak your device if you're not comfortable doing so). Well, not f...
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AngularJS : Where to use promises?

...PI for a moment and just consider the Angular Promises API, as implemented by the $q service. The pattern implemented by this service is an attempt to turn asynchronous programming back into something resembling a linear series of simple statements, with the ability to 'throw' an error at any step ...
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WPF vs Silverlight [duplicate]

...eWay databinding if none is set, while WPF uses the default mode specified by the dependency property. Silveright doesn't support MultiBinding. Silverlight supports the XmlDataProvider but not the ObjectDataProvider. WPF supports both. Silverlight can only make asynchronous network calls. WPF ha...