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How to install a gem or update RubyGems if it fails with a permissions error
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You don't have write permissions into the /Library/Ruby/Gems/1.8 directory.
means exactly that, you don't have permission to write there.
That is the version of Ruby installed by Apple, for their own use. While it's OK to make minor modifications to that if you know what you're doin...
Math.random() explanation
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165
int randomWithRange(int min, int max)
{
int range = (max - min) + 1;
return (int)(M...
REST API error return good practices [closed]
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12 Answers
12
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You asked me to pull without telling me which branch you want to merge with
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191
It says bucket-4 pushes to bucket-4 just because the default when pushing a branch is to push ...
grep using a character vector with multiple patterns
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10 Answers
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CSS horizontal centering of a fixed div?
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168
left: 50%;
margin-left: -400px; /* Half of the width */
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Check if all elements in a list are identical
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General method:
def checkEqual1(iterator):
iterator = iter(iterator)
try:
first = next(iterator)
except StopIteration:
return True
return all(first == rest for rest in iterator)
One-liner:
def checkEqual2(iterator):
r...
DateTime format to SQL format using C#
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15 Answers
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