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Joins are for lazy people?
...out joins. BUT in many cases, your development time is more important than CPU time and memory. Give up a little performance and enjoy your life. Don't waste your time for little little performance. And tell him "Why don't you make a straight highway from your place to your office?"
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Tools for JPEG optimization? [closed]
...sive works fine in basically everything, the only drawback is it uses more CPU to decode (not enough extra to matter).
– Ariel
Jul 29 '12 at 6:07
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Starting iPhone app development in Linux? [closed]
...e, I'm running OS X and Xcode on a virtualised (VMware) machine on Linux. CPU is a Core2Quad (Q8800), and it is perfectly fast. I found a prebuilt VM online (I'll leave it to you to find)
Xcode/iPhone development works perfectly, as does debugging via USB to the phone itself.
It actually surprise...
Unexpected results when working with very big integers on interpreted languages
...t version is 9223372036854775807
So it means either you are using 32 bit CPU or 32 bit OS or 32 bit compiled version of PHP. It can be found using PHP_INT_MAX. The sum would be calculated correctly if you do it on a 64 bit machine.
The max integer value in JavaScript is 9007199254740992. The larg...
How can I round up the time to the nearest X minutes?
... Just pointing out, modulus is a requires a division operation on the CPU. But I agree that it is more elegant that using the rouding down property of integer divisions.
– Alex
Feb 16 '17 at 15:17
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Create numpy matrix filled with NaNs
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[ 42, 42]])
But the @u0b34a0f6ae's accepted answer is 3x faster (CPU cycles, not brain cycles to remember numpy syntax ;):
$ python -mtimeit "import numpy as np; X = np.empty((100,100));" "X[:] = np.nan;"
100000 loops, best of 3: 8.9 usec per loop
(predict)laneh@predict:~/src/predict/pred...
“The breakpoint will not currently be hit. The source code is different from the original version.”
...r x86 in that dialog, while my local machine is x64! So I selected the Any CPU option and it works again.
– JP Hellemons
Jul 11 '12 at 7:28
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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...
Fast ceiling of an integer division in C / C++
...to a single case.
Probably not a huge benefit on a modern general-purpose CPU, but this would be far faster in an embedded system than any of the other correct answers.
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Listen for key press in .NET console app
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Won't this loop consume a lot of CPU/RAM? If not, how so?
– Sofia
Feb 29 at 3:05
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