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How is Generic Covariance & Contra-variance Implemented in C# 4.0?

...hat will become IEnumerable<out T>. That doesn't hurt type safety at all, but lets you return an IEnumerable<string> from a method declared to return IEnumerable<object> for instance. Contravariance is harder to give concrete examples for using interfaces, but it's easy with a del...
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Byte[] to InputStream or OutputStream

...it to InputStream or OutputStream . But I don't know what happens internally when I do so. Can anyone briefly explain me what's happening when I do this conversion? ...
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jQuery - multiple $(document).ready …?

... All will get executed and On first Called first run basis!! <div id="target"></div> <script> $(document).ready(function(){ jQuery('#target').append('target edit 1<br>'); }); $(document).rea...
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visual c++: #include files from other projects in the same solution

...ive I've come across. Well done and thanks! – David Hall Apr 13 '11 at 11:50 9 There was a sugges...
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where is gacutil.exe?

...amilyId=F26B1AA4-741A-433A-9BE5-FA919850BDBF&displaylang=en . This installation will have gacutil.exe included. But first check it here C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin you might have it installed. As @devi mentioned If you decide to grab gacutil files from existing ins...
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CSS to set A4 paper size

I need simulate an A4 paper in web and allow to print this page as it is show on browser (Chrome, specifically). I set the element size to 21cm x 29.7cm, but when I send to print (or print preview) it clip my page. ...
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Best practice using NSLocalizedString

I'm (like all others) using NSLocalizedString to localize my app. 9 Answers 9 ...
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Why do I need 'b' to encode a string with Base64?

...-z, 0-9, +, /* so it can be transmitted over channels that do not preserve all 8-bits of data, such as email. Hence, it wants a string of 8-bit bytes. You create those in Python 3 with the b'' syntax. If you remove the b, it becomes a string. A string is a sequence of Unicode characters. base64 ha...
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Most efficient way to determine if a Lua table is empty (contains no entries)?

...olution though, and I honestly can't assume that my solution is faster overall. share | improve this answer | follow | ...
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Is there a standard naming convention for XML elements? [closed]

...enerators (i.e. to [de]serialize xml to objects), since not many languages allow enums with spaces (demanding a mapping between the two). share | improve this answer | follow...