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Truncating floats in Python
...ion('.')
return '.'.join([i, (d+'0'*n)[:n]])
This is valid in Python 2.7 and 3.1+. For older versions, it's not possible to get the same "intelligent rounding" effect (at least, not without a lot of complicated code), but rounding to 12 decimal places before truncation will work much of the ti...
How to use PyCharm to debug Scrapy projects
I am working on Scrapy 0.20 with Python 2.7. I found PyCharm has a good Python debugger. I want to test my Scrapy spiders using it. Anyone knows how to do that please?
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Efficient way to remove keys with empty strings from a dict
...
Python 2.X
dict((k, v) for k, v in metadata.iteritems() if v)
Python 2.7 - 3.X
{k: v for k, v in metadata.items() if v is not None}
Note that all of your keys have values. It's just that some of those values are the empty string. There's no such thing as a key in a dict without a value; i...
NuGet auto package restore does not work with MSBuild
...ch to Package Restore within Visual Studio, and it was introduced in NuGet 2.7.
Beginning with NuGet 2.7, the NuGet Visual Studio extension integrates into Visual Studio's build events and restores missing packages when a build begins. This feature is enabled by default, but developers can opt out...
ValueError: numpy.dtype has the wrong size, try recompiling
I just installed pandas and statsmodels package on my python 2.7
When I tried "import pandas as pd", this error message comes out.
Can anyone help? Thanks!!!
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App Inventor 2 LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通义千问...等国...
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 LLMAI2Ext 自研拓展：接...
error: Unable to find vcvarsall.bat
...s installations:
While running setup.py for package installations, Python 2.7 searches for an installed Visual Studio 2008. You can trick Python to use a newer Visual Studio by setting the correct path in VS90COMNTOOLS environment variable before calling setup.py.
Execute the following command bas...
Python: avoid new line with print command [duplicate]
...thon 3? I'm asking, because print will require parens, and with parens and 2.7, this won't work.
– octopusgrabbus
Jun 29 '12 at 17:13
46
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AI2 Keep Awake
...r the CPU to be constantly active. Instead, an alarm can be used (see UrsAI2Alarm ). Motivation For some projects it is necessary to prevent the associated app from being deactivated by the operating system. A typical example would be that sensor data should be sent regularly to an MQTT bro...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...conds
Sun Dec 29 22:03:05.499 [rsHealthPoll] DBClientCursor::init call() failed
Sun Dec 29 22:03:05.499 [rsHealthPoll] replset info 192.168.1.138:27017 heartbeat failed, retrying
Sun Dec 29 22:03:05.501 [rsHealthPoll] replSet info 192.168.1.138:27017 is down (or slow to respond):
Sun Dec 29 22:0...