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How to compare strings ignoring the case
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You're looking for casecmp. It returns 0 if two strings are equal, case-insensitively.
str1.casecmp(str2) == 0
"Apple".casecmp("APPLE") == 0
#=> true
Alternatively, you can convert both strings to lower case (str.downcase) and compare for equality.
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How do you get the width and height of a multi-dimensional array?
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answered Nov 23 '10 at 19:52
Reed CopseyReed Copsey
509k6868 gold badges10671067 silver badges13241324 bronze badges
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How to append rows to an R data frame
...sive insight than system.time:
library(microbenchmark)
microbenchmark(f1(1000), f3(1000), f4(1000), times = 5)
# Unit: milliseconds
# expr min lq median uq max neval
# f1(1000) 1024.539618 1029.693877 1045.972666 1055.25931 1112.769176 5
# f3(1000) ...
Getting the first character of a string with $str[0]
I want to get the first letter of a string and I've noticed that $str[0] works great. I am just not sure whether this is 'good practice', as that notation is generally used with arrays. This feature doesn't seem to be very well documented so I'm turning to you guys to tell me if it's all right –...
How is a CRC32 checksum calculated?
...e polynomial for CRC32 is:
x32 + x26 + x23 + x22 + x16 + x12 + x11 + x10 + x8 + x7 + x5 + x4 + x2 + x + 1
Wikipedia
CRC calculation
Or in hex and binary:
0x 01 04 C1 1D B7
1 0000 0100 1100 0001 0001 1101 1011 0111
The highest term (x32) is usually not explicitly written, so it can i...
CSS border less than 1px [duplicate]
The default border:1px is too big. However, border: 0.5px solid; is not working.
Is there a CSS solution that would make the border half the size?
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Flexbox and Internet Explorer 11 (display:flex in ?)
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According to http://caniuse.com/#feat=flexbox:
"IE10 and IE11 default values for flex are 0 0 auto rather than 0 1 auto, as per the draft spec, as of September 2013"
So in plain words, if somewhere in your CSS you have something like this: flex:1 , that is not translated the...
CSS Box Shadow - Top and Bottom Only [duplicate]
...operty can accept a comma-separated list of shadows like this:
box-shadow: 0px 10px 5px #888, 0px -10px 5px #888;
This will give you some control over the "amount" of shadow in each direction.
Have a look at http://www.css3.info/preview/box-shadow/ for more information about box-shadow.
Hope this w...
Removing trailing newline character from fgets() input
... ugly way:
char *pos;
if ((pos=strchr(Name, '\n')) != NULL)
*pos = '\0';
else
/* input too long for buffer, flag error */
The slightly strange way:
strtok(Name, "\n");
Note that the strtok function doesn't work as expected if the user enters an empty string (i.e. presses only Enter). ...
How do I override nested NPM dependency versions?
...on:
{
"dependencies": {
"grunt-contrib-connect": {
"version": "0.3.0",
"from": "grunt-contrib-connect@0.3.0",
"dependencies": {
"connect": {
"version": "2.8.1",
"from": "connect@~2.7.3"
}
}
}
}
}
npm should automatically pick i...