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Does C# have extension properties?

....0 have seen this as proposal champion but it wasn't released yet, most of all because even if there is already an implementation, they want to make it right from the start. But it will ... There is an extension members item in the C# 7 work list so it may be supported in the near future. The curr...
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Where can I get a list of Ansible pre-defined variables?

...h0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me? ...
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How to ALTER multiple columns at once in SQL Server

.... Each statement means a new scan but if you could alter multiple columns, all altering could have been much quicker – erikkallen Sep 8 '16 at 6:31 ...
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Does every Core Data Relationship have to have an Inverse?

... An inverse relationship doesn't just make things more tidy, it's actually used by Core Data to maintain data integrity. -- Cocoa Dev Central You should typically model relationships in both directions, and specify the inverse relationships appropriately. Core Data uses this i...
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mongo group query how to keep fields

...are accumulated/funneled/reduced) doesn't make so much sense even theoretically. However, sorting before hand is actually inefficient compared to sorting each group within themselves since sorting algorithms are more complex than O(n). I wish there would be better ways in MongoDB. ...
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Android Respond To URL in Intent

...oesnt work for me. Can you please give an example-Link that would open the Application. – Pascal Klein Apr 1 '11 at 14:39 7 ...
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Getting Started with Windows Phone 7 [closed]

...k to developers (like the guy who made Evernote) about how they made their apps. share | improve this answer | follow | ...
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How to programmatically turn off WiFi on Android device? [duplicate]

... after pressing the "Turn off the Screen" button. There is a need for this app for my tablet because sometimes I just forget to turn off the WiFi and this discharges the battery very fast. It lives 10x+ times less than I would without WiFi. Is there any solution available as .apk? Can I track when ...
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Is it fine if first response is private with AppCache (Symfony2)?

...th private, nocache must validate headers. I solved problem this way. In app.php, before I send response to user ($respond->send), I have overwritten the cache control header to blank and set cache headers to public and max age(some value). //code snippet from app.php $response = $kernel-...
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NSInvalidUnarchiveOperationException: Could not instantiate class named NSLayoutConstraint

I am very new to this. I followed Apple's tutorial step by step for the iPhone project "HelloWorld". I ran it in the iPhone 5.0 simulator and it crashed: ...