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What is C# analog of C++ std::pair?

... Tuples are available since .NET4.0 and support generics: Tuple<string, int> t = new Tuple<string, int>("Hello", 4); In previous versions you can use System.Collections.Generic.KeyValuePair<K, V> or a solution like the following: public ...
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An error occurred while validating. HRESULT = '8000000A'

...evenv on an automatic build. I have gone through every website I can find, and the usual answers mention refreshing dependencies (Which I believe fixes it for manual deployment, but not for automatic) and removing the source control coding from the projects, which hasn't helped me. ...
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How to detect total available/free disk space on the iPhone/iPad device?

... UPDATE: Since a lot of time has passed after this answer and new methods/APIs have been added, please check the updated answers below for Swift etc; Since I've not used them myself, I can't vouch for them. Original answer: I found the following solution working for me: -(uint64_t...
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How to make Java honor the DNS Caching Timeout?

We use GSLB for geo-distribution and load-balancing. Each service is assigned a fixed domain name. Through some DNS magic, the domain name is resolved into an IP that's closest to the server with least load. For the load-balancing to work, the application server needs to honor the TTL from DNS respo...
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How to align a div to the top of its parent but keeping its inline-block behaviour?

... fiddle with added enhancements that make it work in Internet Explorer 6 and Internet Explorer 7 too ;) Example: here share | improve this answer | follow ...
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How do you debug PHP scripts? [closed]

...nto the code is a much better way to debug then the old method of var_dump and print at various points to see where your flow goes wrong. When all else fails though and all I have is SSH and vim I still var_dump()/die() to find where the code goes south. ...
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Ruby combining an array into one string

... To add to what @sepp2k said: join tries #to_str first and #to_s second. – Greg Navis Dec 17 '16 at 11:08 add a comment  |  ...
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How to check a not-defined variable in JavaScript

...nly be done with try/catch, since typeof will treat an undeclared variable and a variable declared with the value of undefined as equivalent. But, to check if a variable is declared and is not undefined: if (yourvar !== undefined) // Any scope Previously, it was necessary to use the typeof opera...
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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?

... This is perfect. Thanks! I just finished up my animation blocks and it worked like a charm. – RileyE Nov 14 '12 at 3:03 ...
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How to get first record in each group using Linq

... What if want to retrieve the first and last item from the group? – Sandeep Pandey Feb 14 at 13:11 add a comment  |  ...