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Can anyone explain IEnumerable and IEnumerator to me? [closed]

Can anyone explain IEnumerable and IEnumerator to me? 16 Answers 16 ...
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Resizing UITableView to fit content

...des. Set the class of it to ContentSizedTableView. 3) You should see some errors, because Storyboard doesn't take our subclass' intrinsicContentSize into account. Fix this by opening the size inspector and overriding the intrinsicContentSize to a placeholder value. This is an override for design ti...
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Truncate Two decimal places without rounding

... of decimal places (say 25) it will cause the end result to have precision error. I fixed it by changing the factor type to decimal. – TheKingDave Aug 19 '13 at 14:34 ...
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Fast way to discover the row count of a table in PostgreSQL

... and counts rows in it. A bigger sample increases the cost and reduces the error, your pick. Accuracy depends on more factors: Distribution of row size. If a given block happens to hold wider than usual rows, the count is lower than usual etc. Dead tuples or a FILLFACTOR occupy space per block. If...
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Django connection to PostgreSQL: “Peer authentication failed”

This is the error I am receiving when I try to get to my Django admin site. I had been using MySQL database no problem. I am new to PostgreSQL, but decided to switch because the host I ultimately plan to use for this project does not have MySQL. ...
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Locking pattern for proper use of .NET MemoryCache

... While its true that Lazy<T> can return an error if the initialization exception fails, that is a pretty easy thing to detect. You can then evict any Lazy<T> that resolves to an error from the cache, create a new Lazy<T>, put that in the cache, and resolve...
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How to use a link to call JavaScript?

...e it will work for browsers with javascript not enabled, or if there is an error in the javascript code that doesn't work. javascript runs on page load: window.onload = function(){ document.getElementById("DaLink").onclick = function(){ if(funcitonToCall()){ ...
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What does the keyword Set actually do in VBA?

... In your case, it will produce an error. :-) Set assigns an object reference. For all other assignments the (implicit, optional, and little-used) Let statement is correct: Set object = New SomeObject Set object = FunctionReturningAnObjectRef(SomeArgument) ...
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close vs shutdown socket?

... very bad. If you just shutdown, subsequent use of the FILE will just give errors until fclose is called. – R.. GitHub STOP HELPING ICE Nov 12 '10 at 4:22 26 ...
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Using ZXing to create an Android barcode scanning app [duplicate]

..." and paste to your project. Clean and build project. If your project show error about "switch - case", you should change them to "if - else". Completed. Clean and build project. You can click on "Proprties" > "Android" > click on "Is Libraries" to use for your project. ...