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Macro vs Function in C
...hurt performance due to code bloat, which reduces the effectiveness of the CPU instruction cache. We can make fast generic data structures in C without using these techniques.
– Sam Watkins
Jun 26 '15 at 3:24
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Alarm Manager Example
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This is working code. It wakes CPU every 10 minutes until the phone turns off.
Add to Manifest.xml:
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<uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission>
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<receiver android:process=":remote" android:name="....
JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
...) > -1, because it's faster and less resource intensive (both RAM & CPU). There's no need to have an array there. This is important when batching lots of images, where every bit count. Otherwise, pretty good answer. Upvoted!
– Ryan Casas
Aug 14 '17 at 8:...
Download a file by jQuery.Ajax
...ry at least as large as the file being downloaded and/or other interesting CPU side effects.
fetch('https://jsonplaceholder.typicode.com/todos/1')
.then(resp => resp.blob())
.then(blob => {
const url = window.URL.createObjectURL(blob);
const a = document.createElement('a'...
linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...也可以解决多用户需要同时访问外网但公有IP地址不足的问题。同时可以作为一个防火墙，隔离内网与外网，并且能提供监控网络和记录传输信息的功能，加强局域网的安全性等。它的主要作用有以下几点。
1．共享网络
2．...
Is it possible to read from a InputStream with a timeout?
... maxTimeMillis && bufferOffset < b.length) {" saved me a ton of CPU overhead.
– Logic1
May 7 '16 at 7:14
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Why is volatile needed in C?
...e the variable as volatile, at run time that certain variable is loaded to CPU registers not in memory?
– Amit Singh Tomar
Mar 17 '15 at 16:34
1
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Using msbuild to execute a File System Publish Profile
...me and properties
to suit you):
msbuild Website.csproj "/p:Platform=AnyCPU;Configuration=Release;PublishDestination=F:\Temp\Publish" /t:PublishToFileSystem
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Are tuples more efficient than lists in Python?
...bsolutely does not mean the same operations happen at the C (and therefore cpu) level. Try creating a class ListLike with a __getitem__ that does something horribly slow, then disassemble x = ListLike((1, 2, 3, 4, 5)); y = x[2]. The bytecode will be more like the tuple example above than the list ex...
Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
...s - go ahead, vote me down - but in my world, developer time is scarce and CPU cycles are abundant, so I adjust accordingly what I conserve and what I waste.
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