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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
... steps for some constant k. It is not really important whether "steps" are CPU cycles, assembly instructions, or (simple) C operations. That details is hidden by the constant k.
– Igor ostrovsky
Oct 20 '09 at 5:44
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What is difference between monolithic and micro kernel?
...:- Traditional Unix
2.Micro Kernel :few
few services(Memory management ,CPU management,IPC etc) from core kernel, other services(File management,I/O management. etc.) from different layers/component
Split Approach [Some services is in privileged(kernel) mode and some are in Normal(user) mode]
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Should I commit or rollback a read transaction?
... done via COMMIT or ROLLBACK. There might be a insignificant difference in CPU time spent - a COMMIT is probably faster to parse than a ROLLBACK (two characters less) and other minor differences. Obviously, this is only true for read-only operations!
Totally not asked for: another programmer who mi...
Is there a combination of “LIKE” and “IN” in SQL?
...
True. But regular expressions burn CPU like crazy, not I/O. If it is worse and how much worse it is, depends on how large your list of expressions is and whether the column is indexed or not, among others. It is just a warning, so that the original poster is n...
马化腾给创业者的3点建议：行业跨界领域最有机会诞生创新 - 资讯 - 清泛网 ...
...不平衡等等。在内地，其实很多学校也是蛮复杂，有很多问题，需要一些明朗的政策支持，可能下面做事情才会更加清晰。正是这次我们看到产学研的成果，我们看到李教授带出来的团队，正是得益于港科大比较清晰的政策，比...
App Inventor 2 软件著作权（软著）申请指南 · App Inventor 2 中文网
...明专利来说，简单很多。只要你提供的材料及文档格式没问题，那就大概率能过。必须按照模板来写，参考模板见附件（源码模板带行号，自动就是每页50行），再配合下文的注意事项。
4、是否收费？
一般来...
FFMPEG (libx264) “height not divisible by 2”
...d significant slowness (you can check the ffmpeg log and if it shows using cpu capabilties: none! then that's bad). I'm not sure why they added that, but I'm not an Android developer.
– llogan
Nov 30 '17 at 21:37
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How do I get time of a Python program's execution?
... User time (seconds): 0.08
System time (seconds): 0.02
Percent of CPU this job got: 98%
Elapsed (wall clock) time (h:mm:ss or m:ss): 0:00.10
Average shared text size (kbytes): 0
Average unshared data size (kbytes): 0
Average stack size (kbytes): 0
Average total size (kby...
Garbage collector in Android
...t you wrote if you allow "performance" to mean something more general than CPU efficiency. On an Android device, the user's perception of performance is paramount. The developer may be prefer to run the GC while the user is pressing buttons for example, so the user will not be aware of the GC.
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What's the “average” requests per second for a production web application?
... ranges on various amazon hardware we use(best value was the 32 bit medium cpu when it came down to $$ / event / second) and our requests / seconds ranged from 29 requests / second / node up to 150 requests/second/node.
Giving better hardware of course gives better results but not the best ROI. Any...