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IEnumerable vs List - What to Use? How do they work?

...ample where a.race.Family == "Canidae" select a; } Now you have a method that selects an initial sample ("AllSpotted"), plus some filters. So now you can do this: var Leopards = Feline(AllSpotted()); var Hyenas = Canine(AllSpotted()); So is it faster to use List over IEnum...
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Could not load NIB in bundle

...ib files. I changed it to 'Relative to project' and voila: all .xib files now are correctly loaded in IOS simulator ! I have no clue what's the reason behind that for this odd Xcode4 behavior but maybe it's worth to make an attempt ? ...
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Five equal columns in twitter bootstrap

...all change to col-xs-6 in responsive view. For Bootstrap 4 Bootstrap 4 now uses flexbox by default, so you get access to its magical powers straight out of the box. Check out the auto layout columns that dynamically adjust width depending on how many columns are nested. Here's an example: <...
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Biggest advantage to using ASP.Net MVC vs web forms

...ccurate for the MVC side, a lot of them are being integrated into WebForms now. – rtpHarry Mar 4 '11 at 13:18 Link to ...
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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?

...ge which opens a connection with the server. The server and the client can now send each other messages when new data (on either side) is available. Real-time traffic from the server to the client and from the client to the server You'll want to use a server that has an event loop With WebSockets ...
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Rails 3: Get Random Record

...-----+---------------+---------+---------+-------+------+-------+ we can now use only indexes and the primary key and do the job about 500 times faster! UPDATE: as pointed out by icantbecool in comments the above solution has a flaw if there are deleted records in the table. A workaround in tha...
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MySQL - Using COUNT(*) in the WHERE clause

...ause that They Don't Bother To Teach Properly on sql courses or books and knowing about it generally the sign that the coder has progressed beyond novice level. – Cruachan Nov 19 '08 at 12:59 ...
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Flex-box: Align last row to grid

...ce-between) but start from the left like on previous lines... I wanted to know, if it is possible to generalize your amazing solution. – Tom Jan 20 '16 at 10:33 45 ...
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How to show current time in JavaScript in the format HH:MM:SS?

... You can use moment.js to do this. var now = new moment(); console.log(now.format("HH:mm:ss")); Outputs: 16:30:03 share | improve this answer | ...
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What is an efficient way to implement a singleton pattern in Java? [closed]

...s to be final. In this case, I've used the final keyword to let the users know it is final. Then you need to make the constructor private to prevent users to create their own Foo. Throwing an exception from the constructor prevents users to use reflection to create a second Foo. Then you create a pr...