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How to wait for a keypress in R?
...oke on the keyboard.
Compatibility: Tested under environments use either win.graph or X11. Works with Windows 7 x64 with Revolution R v6.1. Does not work under RStudio (as it doesn't use win.graph).
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What is in your Mathematica tool bag? [closed]
... of images under these operations, i.e. they're equivalent, using the following
In[3] := SelectEquivalents[ pts, Union[Through[rots[#] ] ]& ] (*<-- Note Union*)
Out[3]:= {{{-1, -1, 0}, {-1, 1, 0}, {1, -1, 0}, {1, 1, 0}},
{{-1, 0, 0}, {0, -1, 0}, {0, 1, 0}, {1, 0, 0}},
{{0...
Multiprocessing: How to use Pool.map on a function defined in a class?
...rictions on what sort of functions pool.map could accept. I wrote the following to circumvent this. It appears to work, even for recursive use of parmap.
from multiprocessing import Process, Pipe
from itertools import izip
def spawn(f):
def fun(pipe, x):
pipe.send(f(x))
pipe.clo...
bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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[800, 1000) 5 |@@@ |
[1000, 1200) 0 | |
[1200, 1400) 0 | ...
Where are Docker images stored on the host machine?
...nged. Disregard this answer as of 2019
In the special case of Mac OS X or Windows, using boot2docker, your Docker images are stored within a VirtualBox VM managed by boot2docker.
This VM will be stored in normal place of VirtualBox images:
OS X: ~/VirtualBox VMs/boot2docker-vm
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Using module 'subprocess' with timeout
...ond one the
process was terminated (return code -15).
I haven't tested in windows; but, aside from updating the example
command, I think it should work since I haven't found in the
documentation anything that says that thread.join or process.terminate
is not supported.
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
... use the timeit module. also, you can't conclude much from arbitrary micro benchmarks like this.
– Corey Goldberg
Mar 31 '18 at 21:29
3
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WCF - How to Increase Message Size Quota
...I read on another blog that the maximum size is 2147483647. 20000000 is a bit smaller than this number, so using the smallest number you can get away with without interrupting service makes sense.
– proudgeekdad
Oct 7 '10 at 16:22
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Xcode iOS project only shows “My Mac 64-bit” but not simulator or device
This just started happening that my iOS project is only showing "My Mac 64-bit" rather than the Simulator or my iPhone to build to. I have no idea why this is happening. I do not think that I have changed anything.
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内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...程同样在<32KB的时候无锁使用线程本地cache。
Jemalloc在64bits系统上使用下面的size-class分类：
Small: [8], [16, 32, 48, …, 128], [192, 256, 320, …, 512], [768, 1024, 1280, …, 3840]
Large: [4 KiB, 8 KiB, 12 KiB, …, 4072 KiB]
Huge: [4 MiB, 8 MiB, 12 MiB, …]
smal...