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How can I combine hashes in Perl?
...at constitutes an empty vs non-empty value in the first place? (eg. undef, zero, empty string, false, falsy ...)
See also
PM post on merging hashes
PM Categorical Q&A hash union
Perl Cookbook 5.10. Merging Hashes
websearch://perlfaq "merge two hashes"
websearch://perl merge hash
https://met...
What does the “~” (tilde/squiggle/twiddle) CSS selector mean?
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How to cast int to enum in C++?
...ndrew
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Passing arguments to require (when loading module)
...Lomas
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Is there a timeout for idle PostgreSQL connections?
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Hugo Leao
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answered Nov 6 '12 at 5:37
Craig RingerCraig Ringer
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Android onCreate or onStartCommand for starting service
...should do things in this method that you need to do only once (ie: initialize some variables, etc.). onCreate() will only ever be called once per instantiated object.
You only need to implement onCreate() if you actually want/need to initialize something only once.
onStartCommand() is called every...
What are Flask Blueprints, exactly?
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pfabri
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answered Jun 26 '14 at 1:11
Sean VieiraSean Vieira
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Android: alternate layout xml for landscape mode
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How do I enable gzip compression when using MVC3 on IIS7?
Does anybody know how to enable gzip compression in MVC 3? I'm using IIS7.
3 Answers
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HMAC-SHA1 in bash
... acj
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answered Sep 2 '11 at 14:52
Shawn ChinShawn Chin
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