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Why use symbols as hash keys in Ruby?
... "hash-key" from whatever key you use. You can imagine something like an MD5-hash. And then Ruby compares those "hashed 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://...
Static link of shared library function in gcc
...http://linux.derkeiler.com/Newsgroups/comp.os.linux.development.apps/2004-05/0436.html
You need the static version of the library to link it.
A shared library is actually an executable in a special format
with entry points specified (and some sticky addressing issues
included). It does not have all ...
Sending a JSON to server and retrieving a JSON in return, without JQuery
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225
Sending and receiving data in JSON format using POST method
// Sending and receiving data in JS...
Check if key exists and iterate the JSON array using Python
...message": "How ARE you?", "comments": {"count": 0}, "updated_time": "2012-05-01", "created_time": "2012-05-01", "to": {"data": [{"id": "1543", "name": "Honey Pinter"}]}, "type": "status", "id": "id_7"}"""
def getTargetIds(jsonData):
data = json.loads(jsonData)
if 'to' not in data:
r...
How can I pass selected row to commandLink inside dataTable or ui:repeat?
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215
As to the cause, the <f:attribute> is specific to the component itself (populated during v...
setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
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edited Apr 27 '15 at 15:44
smileBot
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Master-master vs master-slave database architecture?
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djnadjna
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Why would a post-build step (xcopy) occasionally exit with code 2 in a TeamCity build?
... Metro SmurfMetro Smurf
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What is the difference between assert, expect and should in Chai?
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LouisLouis
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call a static method inside a class?
...use self::
– blamb
Jan 22 '18 at 19:56
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