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Python: List vs Dict for look up table
... than both list and set for large data sets, running python 2.7.3 on an i7 CPU on linux:
python -mtimeit -s 'd=range(10**7)' '5*10**6 in d'
10 loops, best of 3: 64.2 msec per loop
python -mtimeit -s 'd=dict.fromkeys(range(10**7))' '5*10**6 in d'
10000000 loops, best of 3: 0.0759 usec per loop
py...
Quick and easy file dialog in Python?
...t hangs. I'm still able to type in the terminal, but nothing happens. Also cpu goes to 0% for my program. Any advice?
– Diana
Jul 2 '13 at 20:00
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Divide a number by 3 without using *, /, +, -, % operators
...s you know how the +, -, * and / operators are actually implemented on the CPU: simple bitwise operations.
– craig65535
Jul 27 '12 at 21:55
21
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What does “yield break;” do in C#?
... thread calling a "schedule" or "sleep" function to give up control of the CPU. Just like a thread, the IEnumerable<T> method regains controls at the point immediately afterward, with all local variables having the same values as they had before control was given up.
yield break is like a th...
Stopping python using ctrl+c
...eeps it around in memory and in your shell, it just prevents it from using CPU resources. Files, sockets, everything is still open and in use. In fact, typing fg will bring it right back.
– RandomInsano
Aug 12 '16 at 14:29
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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...
How do you compare structs for equality in C?
... @JSalazar Easier for you maybe, but much harder for the compiler and the CPU and thus also much slower. Why do you think compiler add padding in the first place? Certainly not to waste memory for nothing ;)
– Mecki
Mar 31 '14 at 22:48
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How to increase heap size of an android application?
... Not directly, for your app. Having more stuff may cause you to spend more CPU time going through that stuff, but the details there would depend on what you are doing with the memory and is not directly tied to having requested android:largeHeap. However, requesting a large heap may harm the user ex...
MySQL vs PostgreSQL for Web Applications [closed]
...ound of and go with it; better performance can be bought with more RAM and CPU, and more appropriate database design, and clever stored procedure tricks and so on - and all of that is cheaper and easier for random-website-X than agonizing over which to pick, MySQL or PostgreSQL, and specialist tunin...
What is “runtime”?
...ctually run on any "library, framework, or platform"? It should run on the CPU or other processing unit. Could you provide an additional level of detail for more clarification?
– n611x007
Oct 23 '12 at 10:25
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