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MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...n Cerf也参与了这个项目，他们俩于同年实现了TCP的第一个版本。1974年的时候，TCP协议规范正式发布，编号为RFC 675。在20世纪90年代中期IBM在帮助石油和天然气公司客户设计有效的数据传输协议时，就出现了对MQTT这种物联网环境...
How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]
...x ;) Thanks, fixed on GitHub. I'm migrating to 3.x reluctantly (writing on 2.7, trying to be forward-compatible). And so I sometimes forget, that files opened with 'rb' mode return binary strings like b'MZ' (on Py2 bytes is just the default str, and Py3's str is unicode).
– Tom...
浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...务器环境内；
·在终端用户设备，连续或按需即时下载。[2]
APM最新发展方向
如果这还没有让APM足够模糊，现在又出现了另一种新方法，即基于网络的 APM，这是一个无代理系统，它充分深入到现有网络设备，观察整个企...
Converting a column within pandas dataframe from int to string
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0.7.0, come with python 2.7 on Ubuntu system
– Malfet
Jul 31 '13 at 13:11
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How to write a multidimensional array to a text file?
...='row')
# For the above line, I specified the kwarg oned_as since python (2.7 with
# numpy 1.6.1) throws a FutureWarning. Here, this isn't really necessary
# since oned_as is a kwarg for dealing with 1-D arrays.
# Now load in the data from the .mat that was just saved
matdata = scipy.io.loadmat...
How to update bower.json with installed packages?
...e process (e.g. devDependecies). Secondly in the last version of bower (v1.2.7) this will not preserve current packages info! I feel it is a bug. However you can save the old file and (manually) merge it with the generated one.
Also, you should ask for an option or something by opening a bower issu...
How do I create a constant in Python?
...ar below, with a short and simple implementation of "Constants" for python 2.7 (which lacks "enum"). These are enum-like read-only name.attribute, and can contain any value. Declaration is easy Nums = Constants(ONE=1, PI=3.14159, DefaultWidth=100.0), Usage is straightforward print 10 + Nums.PI, atte...
Is there a way to escape a CDATA end token in xml?
...escape ]]> within a CDATA section.
EDIT3: The same section also reads:
2.7 CDATA Sections
[Definition: CDATA sections may occur anywhere character data may occur; they are used to escape blocks of text containing characters which would otherwise be recognized as markup. CDATA sections begin with...
How can I tell PyCharm what type a parameter is expected to be?
...
I'm using PyCharm Professional 2016.1 writing py2.6-2.7 code, and I found that using reStructuredText I can express types in a more succint way:
class Replicant(object):
pass
class Hunter(object):
def retire(self, replicant):
""" Retire the rogue or non-func...
How to display full (non-truncated) dataframe information in html when converting from pandas datafr
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This didn't work for me on Python 2.7, but the first answer by @behzad.nouri did.
– r3robertson
Jul 11 '18 at 18:06
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