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Programmatically register a broadcast receiver
...blic void onReceive(Context context, Intent intent) {
//do something based on the intent's action
}
};
registerReceiver(receiver, filter);
}
Remember to run this in the onDestroy method:
@Override
protected void onDestroy() {
if (receiver != null) {
unregisterReceiver(rece...
How can I share code between Node.js and the browser?
...function so that it can be called from another machine using a simple JSON-based network protocol.
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C read file line by line
... me this results in overwriting each line with the next. See this question based on the above answer.
– Cezar Cobuz
Jan 8 '19 at 3:09
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What is the fastest factorial function in JavaScript? [closed]
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I've created an auto-memoizer for any given function based on this answer (also slightly faster :)), also including a limit on the cache size. stackoverflow.com/a/10031674/36537
– Phil H
Apr 5 '12 at 15:41
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Combining two expressions (Expression)
...f (node == _oldValue)
return _newValue;
return base.Visit(node);
}
}
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RESTfully design /login or /register resources?
... the login form
POST /session authenticates credentials against database
DELETE /session destroys session and redirect to /
GET /users/new gets the webpage that has the registration form
POST /users records the entered information into database as a new /user/xxx
GET /users/xxx // gets a...
How to load images dynamically (or lazily) when users scrolls them into view
...rence Boston last year. AOL uses a tool called Sonar for on-demand loading based on scroll position. Check the code for the particulars of how it compares scrollTop (and others) to the element offset to detect if part or all of the element is visible.
jQuery Sonar
Dave talks about Sonar in these ...
Append an object to a list in R in amortized constant time, O(1)?
...n performance. For example, the by_index solution, a very popular solution based on the frequency with which I find it in other SO posts, took 11.6 milliseconds to append 2000 objects, and 953 milliseconds to append ten times that many objects. The overall problem's time grew by a factor of 100, so ...
Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]
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@ Msmit1993: You can use Intel x86 based emulator with HAX tool. Believe me you will will be surprised that emulator faster than your actual device.
– Vikas Patidar
Nov 22 '13 at 12:48
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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...多通道和内存条rank级并行优化。一个内存通道一般使用64位数据总线，双通道同时工作提供了128位传输能力。Rank是指DIMM上几个内存颗粒共同提供的64位数据，同一条内存上的不同rank因为共享数据总线而不能被同时访问，但内存...