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Objective-C parse hex string to integer
...you want to perform strict parsing, you should first check that the string does not begin with 0x (or 0X). NSScanner will accept those prefixes.
– Chris Page
May 2 '19 at 0:37
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What would a “frozen dict” be?
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Python doesn't have a builtin frozendict type. It turns out this wouldn't be useful too often (though it would still probably be useful more often than frozenset is).
The most common reason to want such a type is when memoizing fun...
Optimal settings for exporting SVGs for the web from Illustrator?
...upport SVG Tiny and not the full spec, so go for SVG 1.1.
Note: SVG Tiny does not reduce the file size, it's just a subset of SVG that is adequate for low processing power devices. It will discard gradients, opacity, embedded fonts and filters. Erik Dahlström says: All SVG 1.1 full viewers should...
Android Min SDK Version vs. Target SDK Version
...r enable newer features that are not available to older applications. This does not mean that you can program different features for different versions of the platform—it simply informs the platform that you have tested against the target version and the platform should not perform any extra work ...
JavaFX Application Icon
Is it possible to change the application icon using JavaFX, or does it have to be done using Swing?
17 Answers
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A std::map that keep track of the order of insertion?
...value to an unique string identifier, and I do look up with the string. It does mostly what I want, except for that it does not keep track of the insertion order. So when I iterate the the map to print out the values, they are sorted according to the string; but I want them to be sorted according to...
MPICH vs OpenMPI
...FI in the middle).
In the past, a common complaint about MPICH is that it does not support InfiniBand, whereas Open-MPI does. However, MVAPICH and Intel MPI (among others) - both of which are MPICH derivatives - support InfiniBand, so if one is willing to define MPICH as "MPICH and its derivatives...
Why is inserting in the middle of a linked list O(1)?
...ocating the item, you are resetting pointers to put the item in there. It doesn't matter if it is going to be inserted near the front end or near the end, the insertion still involves pointers being reassigned. It'll depend on how it was implemented, of course, but that is the strength of lists - ...
What are good grep tools for Windows? [closed]
...one's cup of tea (sometimes its UI is overwhelming), but its elaborateness does have utility.
– gwideman
Feb 8 '13 at 23:07
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How to wait for a keypress in R?
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@nnn this does not work if I run a script in rstudio e.g. print("hi") readline("Press a key to continue") print("ho") Its probably because the session is not interactive. How to do this in a non-interactive session?
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