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How to send a message to a particular client with socket.io
...following data:
{
to:[the other receiver's username as a string],
from:[the person who sent the message as string],
message:[the message to be sent as string]
}
On the server, listen for messages. When a message is received, emit the data to the receiver.
users[data.to].emit('receive...
What is the meaning of the term “thread-safe”?
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From Wikipedia:
Thread safety is a computer programming concept applicable in the context of multi-threaded programs. A piece of code is thread-safe if it functions correctly during simultaneous execution by multiple thre...
When to use RSpec let()?
...he initialization code only runs if the example calls it.
You can refactor from a local variable in an example directly into a let without changing the
referencing syntax in the example. If you refactor to an instance variable, you have to change
how you reference the object in the example (e.g. ad...
Converting XML to JSON using Python?
...). As of Python 2.6, support for converting Python data structures to and from JSON is included in the json module.
So the infrastructure is there.
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How do I load a file into the python console?
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Can you explain your usage of copy con? From what I'm reading it's only used to copy files computerhope.com/copyhlp.htm
– CodyBugstein
Mar 28 '14 at 12:49
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Example images for code and mark-up Q&As [closed]
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Here are some example images for common use, mostly from existing answers on SO.
Icons
Simple Geometric shapes generated using Java as originally seen in this answer. It includes a Java based interface that defines the URLs and makes them easy to access.
Details: 32x32 p...
Get unique values from a list in python [duplicate]
I want to get the unique values from the following list:
30 Answers
30
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What is the difference between ports 465 and 587?
...it is not currently the most recommended. Standard SMTP port accepts email from other mail servers to its "internal" mailboxes without authentication.
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.gitignore all the .DS_Store files in every folder and subfolder
...n't forget the period!
git rm --cached .DS_Store
removes only .DS_Store from the current directory. You can use
find . -name .DS_Store -print0 | xargs -0 git rm --ignore-unmatch
to remove all .DS_Stores from the repository.
Felt tip: Since you probably never want to include .DS_Store files, ...
EXC_BAD_ACCESS signal received
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From your description I suspect the most likely explanation is that you have some error in your memory management. You said you've been working on iPhone development for a few weeks, but not whether you are experienced with O...