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Get selected subcommand with argparse
When I use subcommands with python argparse, I can get the selected arguments.
2 Answers
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How do I catch a numpy warning like it's an exception (not just for testing)?
I have to make a Lagrange polynomial in Python for a project I'm doing. I'm doing a barycentric style one to avoid using an explicit for-loop as opposed to a Newton's divided difference style one. The problem I have is that I need to catch a division by zero, but Python (or maybe numpy) just makes i...
糯米推全景地图 让竞争对手们如何接招？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...小缩影。糯米语音搜索，度秘等人工智能O2O入口，百度大数据在O2O的应用，如交叉销售和精准营销的探索，都是这盘技术O2O棋局的落子。全景地图15天上线，说明糯米在新美大整合期的狼性不可小觑。说到底，全景地图是强化百...
Android中Java和JavaScript交互 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，对于简单的类型会尝试转换成字符串返回，对于复杂的数据类型，建议以字符串形式的json返回。
evaluateJavascript方法必须在UI线程（主线程）调用，因此onReceiveValue也执行在主线程。
疑问解答
Alert无法弹出
你应该是没有设...
Sublime Text 3能用支持的插件推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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插件下载：https://github.com/kevinsperrine/sublime_alignment/tree/python3
Clipboard-history 粘贴板历史记录
有了这个插件，便可方便使用sublime text 3里的粘贴板历史记录内容，快捷键Ctrl+Shift+V可调出该历史记录面板，按方向键选择想要粘贴...
How to trigger a build only if changes happen on particular set of files
...//myserver:8080/job/${job_name}/"
FILTER_PATH="path/to/folder/to/monitor"
python_func="import json, sys
obj = json.loads(sys.stdin.read())
ch_list = obj['changeSet']['items']
_list = [ j['affectedPaths'] for j in ch_list ]
for outer in _list:
for inner in outer:
print inner
"
_affected_files...
Split code over multiple lines in an R script
... to indicate to R that the code continues on the next line. Such as "\" in Python. However, your solution works well for the specific problem of string continuation.
– Curious2learn
Jun 13 '11 at 12:11
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Is Ruby pass by reference or by value?
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Ruby uses "pass by object reference"
(Using Python's terminology.)
To say Ruby uses "pass by value" or "pass by reference" isn't really descriptive enough to be helpful. I think as most people know it these days, that terminology ("value" vs "reference") comes from C+...
How to convert a PIL Image into a numpy array?
...; im = PIL.Image.fromarray(numpy.uint8(I))
Filter numpy images with FFT, Python
If you want to do it explicitly for some reason, there are pil2array() and array2pil() functions using getdata() on this page in correlation.zip.
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Correct way to detach from a container without stopping it
...s used to launch the container:
[berto@g6]$ docker run -ti -d --name test python:3.6 /bin/bash -c 'while [ 1 ]; do sleep 30; done;'
b26e39632351192a9a1a00ea0c2f3e10729b6d3e22f8e0676d6519e15c08b518
[berto@g6]$ docker attach test
# here I typed ^P^Q
read escape sequence
# i'm back to my prompt
[ber...