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How to assign colors to categorical variables in ggplot2 that have stable mapping?
...he best. However, I think it's useful to point out another approach that becomes easier when you're trying to maintain consistent color schemes across multiple data frames that are not all obtained by subsetting a single large data frame. Managing the factors levels in multiple data frames can becom...
Best way to do Version Control for MS Excel
...in your workbooks, then the approach Demosthenex above proposes or VbaGit (https://github.com/brucemcpherson/VbaGit) work very well working and are relatively simple to implement. The advantages are that you can rely on well proven version control systems and chose one according to your needs (have ...
If string is empty then return some default value
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
离线版启动超时，有报错日志 - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
...ava.base/java.net=ALL-UNNAMED, --add-opens, java.base/sun.net.www.protocol.http=ALL-UNNAMED, --add-opens, java.base/sun.net.www.protocol.https=ALL-UNNAMED, -Dfile.encoding=UTF-8, -classpath, D:\appinventor\AppInventor2\resources\app.asar.unpacked\AppEngine\bin\..\lib\appengine-tools-api.jar, com.goo...
Is there a math nCr function in python? [duplicate]
...
The following program calculates nCr in an efficient manner (compared to calculating factorials etc.)
import operator as op
from functools import reduce
def ncr(n, r):
r = min(r, n-r)
numer = reduce(op.mul, range(n, n-r, -1), 1)
denom = reduce(op.mul, range(1, r+1), 1)
...
When and why should I use a namedtuple instead of a dictionary? [duplicate]
...es. The field name properties are stored in the namedtuple class." twitter.com/raymondh/status/524660721968107521
– Moberg
Oct 31 '14 at 7:48
3
...
c/c++如何获取CPU的序列号？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...回的是扩展信息。
继续了解请参考：https://www.tsingfun.com/it/cpp/1965.html
运行结果：
CPU 序列号 cpuid
Google breakpad stackwalker无法加载符号 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
binary = sys.argv[i]
outputFile = basename(binary) + ".sym"
command = '{0} {1} > {2}'.format("dump_syms",binary,outputFile)
print ('--> Running {0}'.format(command) )
os.system(command)
symFile = open(outputFile, 'r')
firstLine = symFile.readline()
print ('First l...
【解决】Python：ModuleNotFoundError: No module named \'google.protobuf...
...ckages
touch google/__init__.py
参考资料：https://stackoverflow.com/questions/38680593/importerror-no-module-named-google-protobuf
python,protobuf
windows service vs scheduled task
...th lots of experts telling you how it is really bad programming practice:
http://msmvps.com/blogs/peterritchie/archive/2007/04/26/thread-sleep-is-a-sign-of-a-poorly-designed-program.aspx
So you'll scratch your head and think to yourself, WTF, Undo Pending Checkouts -> Yes, I'm sure -> Undo a...