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Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby
...what a nub!
– cydonia
Nov 14 '10 at 2:13
1
yeah, those examples are daft
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Which iOS app version/build number(s) MUST be incremented upon App Store release?
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Apple Technical Note TN2420, Version Numbers and Build Numbers
Summary:
The pair (Version, Build number) must be unique.
The sequence is valid: (1.0.1, 12) -> (1.0.1, 13) -> (1.0.2, 13) -> (1.0.2, 14) ...
Version (CFBundleShortVersi...
What's the difference between “mod” and “remainder”?
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There is a difference between modulus and remainder. For example:
-21 mod 4 is 3 because -21 + 4 x 6 is 3.
But -21 divided by 4 gives -5 with a remainder of -1.
For positive values, there is no difference.
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Can the Unix list command 'ls' output numerical chmod permissions?
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it almost can ..
ls -l | awk '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/) \
*2^(8-i));if(k)printf("%0o ",k);print}'
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Format SQL in SQL Server Management Studio
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2 Answers
2
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Maven check for updated dependencies in repository
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287
The Maven Versions plugin and its display-dependency-updates mojo are what you're looking for:...
Convert Float to Int in Swift
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322
You can convert Float to Int in Swift like this:
var myIntValue:Int = Int(myFloatValue)
printl...
Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
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12 Answers
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Printing everything except the first field with awk
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92
Assigning $1 works but it will leave a leading space: awk '{first = $1; $1 = ""; print $0, first...
Read first N lines of a file in python
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249
Python 2
with open("datafile") as myfile:
head = [next(myfile) for x in xrange(N)]
print ...