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How do you write a migration to rename an ActiveRecord model and its table in Rails?
...g column renames.
When grepping, remember to search for singular, plural, capitalized,
lowercase, and even UPPERCASE (which may occur in comments) versions
of your strings.
It's best to search for plural versions first, then singular. That
way if you have an irregular plural - such as in my merchant...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...息。
拓扑建立和消息路由的分离很好地映射到BSD套接字API上（bind/connect和send/recv)。
现在，学术方面的争论甚至更加重要。使用ØMQ该做什么，不该做什么。
底层的协议,比如TCP,允许你发送数据给特定的终端节点。&Osla...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...息。
拓扑建立和消息路由的分离很好地映射到BSD套接字API上（bind/connect和send/recv)。
现在，学术方面的争论甚至更加重要。使用ØMQ该做什么，不该做什么。
底层的协议,比如TCP,允许你发送数据给特定的终端节点。&Osla...
Configuring Log4j Loggers Programmatically
...mer end and the configuration end).
If you want to code against the slf4j api but determine ahead of time (and programmatically) the configuration of the log4j Loggers that the classpath will return, you absolutely have to have some sort of logging adaptation which makes use of lazy construction.
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Setting PayPal return URL and making it auto return?
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Anyone know if this is still valid with todays paypal APIs? I see that the question is 2 years old.
– Matt Welander
Apr 25 '14 at 10:42
1
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Difference between JVM and HotSpot?
...implementation of HotSpot (and many other pieces of the JDK e.g compiler, APIs, tools, etc) is developed.
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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
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Since I posted this question I learned a bit about APIs that are dedicated for what I was doing. If the string you're converting is long, use Blob object to handle the conversion. Blob can handle any binary data.
– Tomáš Zato - Reinstate Monica
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ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...息。
拓扑建立和消息路由的分离很好地映射到BSD套接字API上（bind/connect和send/recv)。
现在，学术方面的争论甚至更加重要。使用ØMQ该做什么，不该做什么。
底层的协议,比如TCP,允许你发送数据给特定的终端节点。&Osla...
What are detached, persistent and transient objects in hibernate?
...r removal from the
database.
session.remove(city);
Note:
Hibernate API offers couples of methods to switch between entity states, and I think it's worth exploring a Hibernate Session class.
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Best practice: AsyncTask during orientation change
...ing for long periods of time, it is highly recommended you use the various APIs provided by the java.util.concurrent pacakge such as Executor, ThreadPoolExecutor and FutureTask.
Alternatively one could use a service, loader (using a CursorLoader or AsyncTaskLoader), or content provider to perform ...