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Xcode duplicate/delete line

Coming from Eclipse and having been used to duplicate lines all the time, it's pretty strange finding out that Xcode has no such function. Or does it? ...
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Check for null in foreach loop

...r and ForEach() which works faster than standard foreach loop. You have to cast the collection to List though. listOfItems?.ForEach(item => // ... ); share | improve this answer | ...
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Using Case/Switch and GetType to determine the object [duplicate]

... I second that, but I think comparing references is faster than repeated casting attempts. – Dave Van den Eynde Apr 2 '09 at 9:15 ...
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Android LocationClient class is deprecated but used in documentation

...e using the new/latest Location Service API... Enjoy developing :) import android.location.Location; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.widget.TextView; import com.google.android.gms.common.ConnectionResult; import com.google.android.gms....
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What is float in Java?

...and so on..) Is assumed as double and not float. You can also perform a cast in order to solve the problem: float b = (float) 3.5; Another solution: float b = 3.5f; share | improve this answer...
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Is it possible to have SSL certificate for IP address, not domain name?

I want my site to use URLs like http://192.0.2.2/... and https://192.0.2.2/... for static content to avoid unnecessary cookies in request AND avoid additional DNS request. ...
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How to quit android application programmatically

I Found some codes for quit an Android application programatically. By calling any one of the following code in onDestroy() will it quit application entirely? ...
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typeof !== “undefined” vs. != null

...rt of the window object, you can simply check against undefined instead of casting to a string and comparing strings. On top of that, why are your variables not defined? I've seen a lot of code where they check a variables existence and perform some action based on that. Not once have I seen where...
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IIS 500.19 with 0x80070005 The requested page cannot be accessed because the related configuration d

... The access rights should be fairly straightforward, i.e. at least Read, and, depending on your app, maybe Write. Above, you mention IUSR etc. not being in the properties for web.config. If by that you mean that IUSR is not listed in the security tab of the file then it's a good thing. One doesn'...
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Clear the entire history stack and start a new activity on Android

...I lvl <= 10, I haven't yet found a clean solution to this. The "DontHackAndroidLikeThis" solution is indeed pure hackery. You should not do that. :) Edit: As per @Ben Pearson's comment, for API <=10 now one can use IntentCompat class for the same. One can use IntentCompat.FLAG_ACTIVITY_CLEAR_T...