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Print a list in reverse order with range()?
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In Python3, reversed does not accept generators in general but it accepts range. Why would reversed(range(10000)) need to allocate memory for the whole list? range can return an object that implements the __reversed__ method tha...
What is the quickest way to HTTP GET in Python?
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@lawphotog this DOES work with python3, but you have to pip install requests.
– akarilimano
Feb 1 '18 at 10:29
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Convert Python dict into a dataframe
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@ChrisNielsen You are probably using python3. You should try: df = pd.DataFrame(list(data.items()), columns=['Date', 'DateValue'])
– Viktor Kerkez
Nov 22 '16 at 11:11
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How do I get list of methods in a Python class?
...og_name', <unbound method OptionParser.expand_prog_name>),
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]
# python3
>>> inspect.getmembers(OptionParser, predicate=inspect.isfunction)
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Notice that getmembers returns a list of 2-tuples. The first item is the name of the member, the second item is the value.
You can als...
open() in Python does not create a file if it doesn't exist
...s good point, just tested it and it is indeed true on ext4 file system and python3.7.2. I don't think that's intended or desired be
How do I check whether a file exists without exceptions?
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Wait, so pathlib2 < pathlib? pathlib is for python3, right? I've been using pathlib2 thinking it was superior.
– theX
Jul 2 at 21:26
add a comme...
How to repeat last command in python interpreter shell?
...2.04, I had this problem after installing a version of Python from source (Python3.4).
Some of the comments here recommend installing Ipython and I want to mention that I have the same behavior even with Ipython. From what I can tell, this is a readline problem.
For Ubuntu 12.04 server, I had t...
What is pip's equivalent of `npm install package --save-dev`?
...ject with an existing requirements.txt, installing all requirements (I use Python3.7 but you can remove the --three if you do not) is as simple as:
pipenv --three install
Activating the virtualenv to run commands is also easy
pipenv shell
Installing requirements will automatically update the P...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...est/replset/data
#进入mongodb文件夹
cd /data/mongodbtest
3、下载mongodb的安装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
注意linux生产环境不能安装32位的mongodb，因为32位受限于操作系统最大2G的文件限制。
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How to delete a character from a string using Python
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The equivalent of the code in the answer became this in python3: 'EXAMPLE'.translate({ord("M"): None})
– yoniLavi
Dec 9 '15 at 18:29