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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
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83
Javascript's logical OR operator is short-circuiting and can replace your "Elvis" operator:
va...
How do I use extern to share variables between source files?
...g1.c file1.c file2.c
FILES.h = prog1.h file3.h
FILES.o = ${FILES.c:.c=.o}
CC = gcc
SFLAGS = -std=c11
GFLAGS = -g
OFLAGS = -O3
WFLAG1 = -Wall
WFLAG2 = -Wextra
WFLAG3 = -Werror
WFLAG4 = -Wstrict-prototypes
WFLAG5 = -Wmissing-prototypes
WFLAGS = ${WFLAG1} ${WFLAG2} ${WFLAG3} ${WFLAG4} ${...
When would I use XML instead of SQL? [closed]
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Robert RossneyRobert Rossney
83.7k2323 gold badges134134 silver badges207207 bronze badges
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How do I get ASP.NET Web API to return JSON instead of XML using Chrome?
...ays nicely with another setup step I usually perform: stackoverflow.com/a/28337589/398630.
– BrainSlugs83
May 5 '17 at 16:03
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Style input element to fill remaining width of its container
...tead -- as is, this is kind of annoying.
– BrainSlugs83
Jun 15 '12 at 2:04
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Can I use break to exit multiple nested 'for' loops?
...plode and kill me. Other than that, when i used to write programs on my ti-83 (in boring math class of course), the functions the basic editor provided required the use of goto's.
– Faken
Aug 11 '09 at 2:18
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Are +0 and -0 the same?
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Answering the original title Are +0 and -0 the same?:
brainslugs83 (in comments of answer by Spudley) pointed out an important case in which +0 and -0 in JS are not the same - implemented as function:
var sign = function(x) {
return 1 / x === 1 / Math.abs(x);
}
This will, other tha...
How can I open a cmd window in a specific location?
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Allain LalondeAllain Lalonde
83.5k6666 gold badges172172 silver badges234234 bronze badges
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windows service vs scheduled task
...nswered Nov 16 '09 at 20:39
RebeccaRebecca
12.5k1010 gold badges7878 silver badges123123 bronze badges
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Using the “animated circle” in an ImageView while loading stuff
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