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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...似的长连接+心跳策略，WIFI和手机网络下的心跳间隔都为4分45秒，心跳5次后，主动断开连接再重连。
在支持GCM的设备上，主要靠GCM来激活WhatsApp，WhatsApp启动后，会建立一个与服务器的长连接，直接通过此长连接发送Push消息，...
How does a garbage collector avoid an infinite loop here?
... Richter in the second edition of CLR via C# (yes I need to update):
Page 478
For (The CLR is shutting down) each Finalize method is given approximately two seconds to return. If a Finalize method doesn't return within two seconds, the CLR just kills the process - no more Finalize methods are c...
Android Spanned, SpannedString, Spannable, SpannableString and CharSequence
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148
What is the purpose of these interfaces?
CharSequence is a standard Java interface repres...
Structure padding and packing
...l" address boundaries - say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure:
struct mystruct_A {
char a;
char gap_0[3]; /* inserted by compiler: for alignment of b */
int b;
...
How to parse the AndroidManifest.xml file inside an .apk package
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MacarseMacarse
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Difference between filter and filter_by in SQLAlchemy
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Split a String into an array in Swift?
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edited Jul 13 '16 at 12:14
swiftBoy
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answe...
How to correctly require a specific commit in Composer so that it would be available for dependent p
...": "dev-master",
"knplabs/gaufrette": "dev-master#2633721877cae79ad461f3ca06f3f77fb4fce02e"
}
}
From the documentation:
If one of your dependencies has a dependency on an unstable package
you need to explicitly require it as well, along with its sufficient
stability flag.
The...
Xcode: What is a target and scheme in plain language?
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