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Rails Observer Alternatives for 4.0
... I've not used Notifications much but I'd say Wisper has a nicer API and features such as 'global subscribers', 'on prefix' and 'event mapping' which Notifications does not. A future release of Wisper will also allow async publishing via SideKiq/Resque/Celluloid. Also, potentially, in futu...
Greenlet Vs. Threads
...each greenlet runs in its own context, you can continue to use synchronous APIs without threading. This is good because threads are very expensive in terms of virtual memory and kernel overhead, so the concurrency you can achieve with threads is significantly less. Additionally, threading in Python ...
HTML5 check if audio is playing?
What's the javascript api for checking if an html5 audio element is currently playing?
9 Answers
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How to use java.net.URLConnection to fire and handle HTTP requests?
...e logged in and/or are tracked by a session. You can use the CookieHandler API to maintain cookies. You need to prepare a CookieManager with a CookiePolicy of ACCEPT_ALL before sending all HTTP requests.
// First set the default cookie manager.
CookieHandler.setDefault(new CookieManager(null, Cookie...
Is there common street addresses database design for all addresses of the world? [closed]
...chools in India in Google Maps. I wrote a spiffy program using the Google API and thought it would be quite easy.
Then I got the data from the client. Some school addresses were things like "Across from the market, next to the barber" or "Near old bus stand".
It made my task much harder since,...
libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术
...client与server之间的数据传输协议详见：http://code.google.com/apis/protocolbuffers/ libevent protobuf tcpserver
What is the best Battleship AI?
... Actually, this answer is nice because it shows in a very concise form the API's you'd need to implement to compete... :)
– dicroce
Oct 27 '09 at 15:51
1
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What's invokedynamic and how do I use it?
...d implementation, e.g. toString.
Why Indy?
As opposed to the Reflection APIs, the java.lang.invoke API is quite efficient since the JVM can completely see through all invocations. Therefore, JVM may apply all sorts of optimizations as long as we avoid the slow path as much as possible!
In additi...
Why do people hate SQL cursors so much? [closed]
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The "overhead" with cursors is merely part of the API. Cursors are how parts of the RDBMS work under the hood. Often CREATE TABLE and INSERT have SELECT statements, and the implementation is the obvious internal cursor implementation.
Using higher-level "set-based opera...
What is the best way to use a HashMap in C++?
I know that STL has a HashMap API, but I cannot find any good and thorough documentation with good examples regarding this.
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