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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...ed a really strange question. The interviewer asked me how can I compute 1+2+3+...+1000 just using compiler features. This means that I am not allowed to write a program and execute it, but I should just write a program that could drive the compiler to compute this sum while compilation and print th...
Find value in an array
... array, and if that's the case, you can use Array#include?(value):
a = [1,2,3,4,5]
a.include?(3) # => true
a.include?(9) # => false
If you mean something else, check the Ruby Array API
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AddBusinessDays and GetBusinessDays
I need to find 2 elegant complete implementations of
15 Answers
15
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When to use the brace-enclosed initializer?
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answered Apr 2 '12 at 13:38
celtschkceltschk
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How to represent multiple conditions in a shell if statement?
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392
Classic technique (escape metacharacters):
if [ \( "$g" -eq 1 -a "$c" = "123" \) -o \( "$g" -eq...
Use find command but exclude files in two directories
...s with ./scripts/
Testing the Solution:
$ mkdir a b c d e
$ touch a/1 b/2 c/3 d/4 e/5 e/a e/b
$ find . -type f ! -path "./a/*" ! -path "./b/*"
./d/4
./c/3
./e/a
./e/b
./e/5
You were pretty close, the -name option only considers the basename, where as -path considers the entire path =)
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Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
...'m having trouble exporting an app for Ad Hoc Distribution on Xcode 6 beta 2:
27 Answers
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Changing one character in a string
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scvalexscvalex
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Nested JSON objects - do I have to use arrays for everything?
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204
You don't need to use arrays.
JSON values can be arrays, objects, or primitives (numbers or s...