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General suggestions for debugging in R

...ng ;-). If we change the options to turn warnings into errors then we can start to use R's debugging tools. From ?options we have: ‘warn’: sets the handling of warning messages. If ‘warn’ is negative all warnings are ignored. If ‘warn’ is zero (the default) warnings are ...
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“Eliminate render-blocking CSS in above-the-fold content”

..." than at least some more milliseconds to render the page! Imho Google is starting a new "hype" (when I have a look at all the question about it here on Stackoverflow) ...! share | improve this ans...
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C++ preprocessor __VA_ARGS__ number of arguments

... va_list ap; printf("sum() called with %d params:", numargs); va_start(ap, numargs); while (numargs--) total += va_arg(ap, int); va_end(ap); printf(" %d\n", total); return; } It is completely valid C99 code. It has one drawback, though - you cannot invoke the ma...
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How do I do base64 encoding on iOS?

... I've been using this for a while and it seemed to work great until I started getting some memory corruption related errors and using guard malloc I narrowed it down to this line: *objPointer = '\0'; so beware if you use this in your own apps. – Mattia ...
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What is the most efficient string concatenation method in python?

...cant, e.g. when building up entire book as a string, the method difference start to matter. – Hui Zhou Sep 29 '17 at 15:49 ...
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what is the difference between ?:, ?! and ?= in regex?

... Only recent versions of browsers have started supporting look behind in JS – anubhava May 16 '18 at 7:10 ...
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Cleanest and most Pythonic way to get tomorrow's date?

...imezone). Related: Given the current time in UTC, how do you determine the start and end time of the day in a particular timezone?. – jfs Sep 4 '14 at 22:21 ...
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Using arrays or std::vectors in C++, what's the performance gap?

...nstructed/destroyed/copied/assigned. Create a vector of these things, and start pushing them on the back end of the vector. When the vector fills, there will be a cascade of activity as the vector resizes. Then try it again with the vector sized to the expected number of elements. You will see...
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How to Customize a Progress Bar In Android

...ground"> <shape> <gradient android:startColor="#000001" android:centerColor="#0b131e" android:centerY="1.0" android:endColor="#0d1522" android:angle="270" /> </shape> </...
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'parent.relativePath' points at my com.mycompany:MyProject instead of org.apache:apache - Why?

... This was the cause in my case. This warning started appearing one day for no apparent reason (same maven version, same project code). Finally noticed a 'pom.xml' file right outside the project's folder, which was being picked up by maven. – sudee...