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Performance difference between IIf() and If

..."Hello") ' Usage 2 Dim foo = If(result, "Alternative") The first is basically C#'s ternary conditional operator and the second is its coalesce operator (return result unless it’s Nothing, in which case return "Alternative"). If has thus replaced IIf and the latter is obsolete. Like in C#, VB's ...
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What's the best way to add a drop shadow to my UIView

...shadow to views that are layered on top of one another, the views collapse allowing content in other views to be seen, in this vein i want to keep view.clipsToBounds ON so that when the views collapse their content is clipped. ...
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How to remove single character from a String

... You can use Java String method called replace, which will replace all characters matching the first parameter with the second parameter: String a = "Cool"; a = a.replace("o",""); ...
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writing some characters like '

... They're XML character entities. XML doesn't support all of the entities that HTML does. – Tanner Swett Jul 7 '16 at 19:53 ...
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Difference between SRC and HREF

...o is the case with iframe] This is the reason why it is advisable to load all JavaScript files at the bottom (before the </body> tag) update : Refer @John-Yin's answer for more info on how it is implemented as per HTML 5 specs. ...
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C# switch statement limitations - why?

...a big if-else statement. Each case must be unique and evaluated statically. The switch statement does a constant time branch regardless of how many cases you have. The if-else statement evaluates each condition until it finds one that is true. In fact, the C# switch statement is n...
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Why is JsonRequestBehavior needed?

... involving JSON requests to improve the liklihood that the implications of allowing HTTP GET exposure are considered in advance of allowing them to occur. This is opposed to afterwards when it might be too late. Note: If your action method does not return sensitive data, then it should be safe to...
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Statistics: combinations in Python

... @robertking - Ok, you were both petty and technically correct. What i did was meant as illustration of how to write one's own function; i knew it is not accurate for big enough N and K due to floating point precision. But we can fix that - see above, now it should not err f...
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Ruby sleep or delay less than a second?

...definitely extract the constant, and definitely not do it with the reason "all the performance you can get" – Blake Jul 29 '14 at 10:58 4 ...
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Using cURL with a username and password?

... @CristianVrabie Technically correct, but incorrect if you're running it from an automated script that doesn't allow prompts. Would be curious about a solution to that problem. – Ligemer Mar 12 '14 at 23:29 ...