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What is the global interpreter lock (GIL) in CPython?
...serialize access to interpreter internals from different threads. On multi-core systems, it means that multiple threads can't effectively make use of multiple cores. (If the GIL didn't lead to this problem, most people wouldn't care about the GIL - it's only being raised as an issue because of the i...
What is the difference between concurrency, parallelism and asynchronous methods?
...hen combined with concurrency) is taking said code and running it on a 100-core machine.
– Frank Radocaj
Feb 23 '14 at 1:11
3
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Eclipse add Tomcat 7 blank server name
...e:
Close Eclipse
In {workspace-directory}/.metadata/.plugins/org.eclipse.core.runtime/.settings delete the following two files:
org.eclipse.wst.server.core.prefs
org.eclipse.jst.server.tomcat.core.prefs
Restart Eclipse
Source: eclipse.org Forum
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Creating a comma separated list from IList or IEnumerable
...r stddev).
BenchmarkDotNet=v0.10.5, OS=Windows 10.0.14393
Processor=Intel Core i5-2500K CPU 3.30GHz (Sandy Bridge), ProcessorCount=4
Frequency=3233539 Hz, Resolution=309.2587 ns, Timer=TSC
[Host] : Clr 4.0.30319.42000, 64bit RyuJIT-v4.6.1637.0
Clr : Clr 4.0.30319.42000, 64bit RyuJIT-v4.6.163...
How to use Active Support core extensions
...'re trying to add Active Support to a non-Rails script.
Read "How to Load Core Extensions".
Active Support's methods got broken into smaller groups in Rails 3, so we don't end up loading a lot of unneeded stuff with a simple require 'activesupport'. Now we have to do things like
require 'active...
What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
...d that all JSON parsing should go through a single implementation in their core library, and the best way to enforce that is for every single API response to get for(;;); automatically tacked on the front.
In so doing, a developer can't be "lazy": they will notice immediately if they use eval(), wo...
马云：互联网时代已经过去20年，接下来30年才是关键 - 资讯 - 清泛网 - 专...
...才是关键没有一个时代比现在好。在人类历史有过三次重大革命，工业革命，英国花了50年时间发展起来了；技术革命，美国花了50年时间；而今是人类历史的第三次革命，互联网时代已经过去20年，接下来30年才是关键。
8月8日...
Xcode 4, Core Data Model Version - Set Current Version
...File inspector (little paper icon on the top left)
You will see "Versioned Core Data Model" as a group so just change the "Current" drop-down to your new version.
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高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...份等方面内容，可用于类微博，SNS，广告推送，邮件等有大量线上并发请求的场景。
如何抗大流量高并发？（不要告诉我把服务器买的再好一点）说起来很简单，就是“分”，如何“分”，简单的说就是把不同的业务分拆到不...
Calling clojure from java
....
To lookup and call a Clojure function:
IFn plus = Clojure.var("clojure.core", "+");
plus.invoke(1, 2);
Functions in clojure.core are automatically loaded. Other namespaces can be loaded via require:
IFn require = Clojure.var("clojure.core", "require");
require.invoke(Clojure.read("clojure.set...