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SourceKitService Terminated

...e with Xcode where the error "Source Kit Service Terminated" is popping up and all syntax highlighting and code completion is gone in Swift. How can I fix this? ...
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Abort makefile if variable not set

...ning an auxiliary function for that: # Check that given variables are set and all have non-empty values, # die with an error otherwise. # # Params: # 1. Variable name(s) to test. # 2. (optional) Error message to print. check_defined = \ $(strip $(foreach 1,$1, \ $(call __check_defin...
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Should you always favor xrange() over range()?

...might prefer range(): In python 3, range() does what xrange() used to do and xrange() does not exist. If you want to write code that will run on both Python 2 and Python 3, you can't use xrange(). range() can actually be faster in some cases - eg. if iterating over the same sequence multiple time...
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How do I check if a number evaluates to infinity?

...lert(x === Infinity); displays "true". (Admittedly that's an obscure case, and anyone who decides to redefine Infinity, NaN etc should expect odd things to happen.) – LukeH Jan 18 '11 at 13:49 ...
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What are the effects of exceptions on performance in Java?

Question: Is exception handling in Java actually slow? 18 Answers 18 ...
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What is the difference between URI, URL and URN? [duplicate]

What's the difference between an URI, URL and URN? I have read a lot of sites (even Wikipedia) but I don't understand it. 4...
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iReport not starting using JRE 8

I have downloaded and installed the iReport 4.5 using te Windows installer. But when I try to start the iReport it shows the splash screen but does not start. ...
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Finding current executable's path without /proc/self/exe

...ecutable or a name that was found using $PATH. Some shells, including bash and ksh, set the environment variable "_" to the full path of the executable before it is executed. In that case you can use getenv("_") to get it. However this is unreliable because not all shells do this, and it could be ...
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Adding new column to existing DataFrame in Python pandas

I have the following indexed DataFrame with named columns and rows not- continuous numbers: 24 Answers ...
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How do I solve the INSTALL_FAILED_DEXOPT error?

I am developing an Android application using Android 2.2, my application APK size is 22.5 MB, and I would like to create a new build for a Samsung tablet. I got the following error: ...