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Send message to specific client with socket.io and node.js

... you need to send an event to a specific socket with a callback, then use @PHPthinking's answer and use io.sockets.connected[socketid].emit();. Tested with 1.4.6. – tbutcaru May 25 '16 at 14:48 ...
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How can I use goto in Javascript?

... term that was popularized by Paul Irish, while discussing this script and PHP’s decision to add goto into their language. And for those who do not immediately recognize that this entire thing is a joke, please forgive me. <—(insurance). ...
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Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]

... Solr has many response writers other than xml, including JSON, PHP, Ruby, Python and a java binary format: lucene.apache.org/solr/api/org/apache/solr/request/… – Mauricio Scheffer Aug 16 '09 at 20:59 ...
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Why does base64 encoding require padding if the input length is not divisible by 3?

...ally it seems you can't, for example the implementations in javascript and php don't support this. Starting with a concatenated string, you either have to decode 4 bytes at a time or split the string after padding characters. It seems like those implementations just ignore the padding chars, even wh...
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How many socket connections can a web server handle?

...ic on a single Unix flavoured OS machine - https://blog.whatsapp.com/index.php/2012/01/1-million-is-so-2011/. And finally, this one, http://highscalability.com/blog/2013/5/13/the-secret-to-10-million-concurrent-connections-the-kernel-i.html, goes into a lot of detail, exploring how even 10 million c...
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NOT IN vs NOT EXISTS

...o null. This post explains it very well http://sqlinthewild.co.za/index.php/2010/02/18/not-exists-vs-not-in/ When the subquery returns even one null, NOT IN will not match any rows. The reason for this can be found by looking at the details of what the NOT IN operation actually means...
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Why JSF calls getters multiple times

...ginally posted in PrimeFaces forum @ http://forum.primefaces.org/viewtopic.php?f=3&t=29546 Recently, I have been obsessed evaluating the performance of my app, tuning JPA queries, replacing dynamic SQL queries with named queries, and just this morning, I recognized that a getter method was more...
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AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?

..., I can't set the default value of ng-model on the controller because is a PHP form, if server-side validation fails, the form will refresh and whatever is in ng-model will be lost deleting the input value too. – Luis Elizondo Sep 30 '14 at 23:39 ...
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How much faster is C++ than C#?

...mance of C++ and C#: https://benchmarksgame.alioth.debian.org/u64q/compare.php?lang=gpp&lang2=csharpcore The bottom line is that C++ gives you much more control over performance. Do you want to use a pointer? A reference? Stack memory? Heap? Dynamic polymorphism or eliminate the runtime o...
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What does f+++++++++ mean in rsync logs?

... you paste some examples? EDIT: As per http://ubuntuforums.org/showthread.php?t=1342171 those codes are defined in the rsync man page in section for the the -i, --itemize-changes option. Fixed part if my answer based on Joao's ...