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Why use symbols as hash keys in Ruby?
...shed keys" against each other.
Long answer:
https://web.archive.org/web/20180709094450/http://www.reactive.io/tips/2009/01/11/the-difference-between-ruby-symbols-and-strings
http://www.randomhacks.net.s3-website-us-east-1.amazonaws.com/2007/01/20/13-ways-of-looking-at-a-ruby-symbol/
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How to create file execute mode permissions in Git on Windows?
...Temp\TestRepo>git add foo.sh
C:\Temp\TestRepo>git ls-files --stage
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 foo.sh
As you note, after adding, the mode is 0644 (ie, not executable). However, we can mark it as executable before committing:
C:\Temp\TestRepo>git update-index...
How to create a css rule for all elements except one class?
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edited Sep 2 '16 at 21:20
Dinei
2,16222 gold badges2323 silver badges4646 bronze badges
answered Mar 2...
Why use apparently meaningless do-while and if-else statements in macros?
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#define BAR(X) do { \
int i = f(X); \
if (i > 4) g(i); \
} while (0)
You don't have to use do ... while, you could cook up something with if ... else as well, although when if ... else expands inside of an if ... else it leads to a "dangling else", which could make an existing dangling el...
Creating Threads in python
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330
You don't need to use a subclass of Thread to make this work - take a look at the simple example...
What's the standard way to work with dates and times in Scala? Should I use Java types or there are
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130
From Java SE 8 onwards, users are asked to migrate to java.time (JSR-310). There are efforts on ...
How to access route, post, get etc. parameters in Zend Framework 2
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205
The easiest way to do that would be to use the Params plugin, introduced in beta5. It has utili...
How do I get the “id” after INSERT into MySQL database with Python?
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edited Jun 18 '14 at 20:41
answered Mar 30 '10 at 20:37
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Rails 4 - Strong Parameters - Nested Objects
... answered Aug 26 '13 at 5:59
j03wj03w
3,39111 gold badge1717 silver badges1515 bronze badges
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