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Is if(items != null) superfluous before foreach(T item in items)?

... @CodeInChaos: Do you typically find that the speed of enumerating an empty sequence is the performance bottleneck in your program? – Eric Lippert Jun 23 '11 at 15:19 ...
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What programming practice that you once liked have you since changed your mind about? [closed]

As we program, we all develop practices and patterns that we use and rely on. However, over time, as our understanding, maturity, and even technology usage changes, we come to realize that some practices that we once thought were great are not (or no longer apply). ...
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What are WSDL, SOAP and REST?

What is WSDL ? How is it related to SOAP ? Where does REST fit in all of that? 10 Answers ...
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Select elements by attribute

... @rinogo: actually all you need is if($(":checkbox[myattr]").length) . The () after length is not necessary, neither is the > 0, 0 evaluates to false in equality tests that do not require strict equality (both value and type). ...
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Why doesn't git recognize that my file has been changed, therefore git add not working

... Also, if you are really unsure about your repo current state, do this: git rm --cached -r . and then git reset .. – rsenna Aug 8 '17 at 15:38 ...
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Prevent scroll-bar from adding-up to the Width of page on Chrome

I have a small issue trying to keep my .html pages at a consistent width on Chrome, For example I have a page (1) with lots of contents that overflows the viewport's (right word?) height, so there's a vertical scroll-bar on that page (1). On page (2) i have the same layout (menus, divs,...etc) but l...
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How to make git mark a deleted and a new file as a file move?

I've moved a file manually and then I've modified it. According to Git, it is a new file and a removed file. Is there any way to force Git into treating it as a file move? ...
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Fix code indentation in Xcode

...evious code maintains its former indentation instead of adjusting automatically. 9 Answers ...
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How can I tell how many objects I've stored in an S3 bucket?

... There is no way, unless you list them all in batches of 1000 (which can be slow and suck bandwidth - amazon seems to never compress the XML responses), or log into your account on S3, and go Account - Usage. It seems the billing dept knows exactly how many object...
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What is the difference between `throw new Error` and `throw someObject`?

...t what we can extract from it in an event of an error? The Error object in all browsers support the following two properties: name: The name of the error, or more specifically, the name of the constructor function the error belongs to. message: A description of the error, with this description var...