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Using multiple let-as within a if-statement in Swift

I'm unwrapping two values from a dictionary and before using them I have to cast them and test for the right type. This is what I came up with: ...
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Using Chrome's Element Inspector in Print Preview Mode?

I am working on developing a website and need to work on the print view. Typically when I have layout issues I use Chrome's Element Inspector. However this does not exist in print preview mode. ...
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Verifying a specific parameter with Moq

I'm starting using Moq and struggling a bit. I'm trying to verify that messageServiceClient is receiving the right parameter, which is an XmlElement, but I can't find any way to make it work. It works only when I don't check a particular value. ...
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What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?

... on the relationship between UIView's setNeedsLayout , layoutIfNeeded and layoutSubviews methods? And an example implementation where all three would be used. Thanks. ...
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How should I escape strings in JSON?

...ary in your language that you can feed some appropriate data structure to, and let it worry about how to escape things. It'll keep you much saner. If for whatever reason you don't have a library in your language, you don't want to use one (I wouldn't suggest this¹), or you're writing a JSON library...
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How do I inspect the view hierarchy in iOS?

...nt. Currently I have to add asserts that test these various conditions by hand, or set different background colours on different views, and as you can imagine, that's a really tedious way to go about it. ...
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Understanding Python super() with __init__() methods [duplicate]

I'm trying to understand the use of super() . From the looks of it, both child classes can be created, just fine. 7 Answe...
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How do you kill all current connections to a SQL Server 2005 database?

...at you are looping over the active connections new one can be established, and you'll miss those. You could instead use the following approach which does not have this drawback: -- set your current connection to use master otherwise you might get an error use master ALTER DATABASE YourDatabase SET...
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python requests file upload

... uploading a file using Python requests library. I searched Stack Overflow and no one seemed to have the same problem, namely, that the file is not received by the server: ...
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const char* concatenation

... In your example one and two are char pointers, pointing to char constants. You cannot change the char constants pointed to by these pointers. So anything like: strcat(one,two); // append string two to string one. will not work. Instead you sh...