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ValueError: invalid literal for int() with base 10: ''
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The following are totally acceptable in python:
passing a string representation of an integer into int
passing a string representation of a float into float
passing a string representation of an integer into float
passing a float into int
passing an integer into ...
Delete specific line number(s) from a text file using sed?
...uite agree with "symptom of an antipattern". Markup-based file types (e.g. XML or JSON) require specific lines at the end in order to be valid files. In that case, it's often the most reasonable approach to remove those lines, put into the file what you want to be added and then re-add those lines, ...
Check if a program exists from a Makefile
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is this what you did?
check: PYTHON-exists
PYTHON-exists: ; @which python > /dev/null
mytarget: check
.PHONY: check PYTHON-exists
credit to my coworker.
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Find string between two substrings [duplicate]
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He said that he wanted a way that was more Pythonic, and this is decidedly less so. I'm not sure why this answer was picked, even OP's own solution is better.
– Jesse Dhillon
Jul 30 '10 at 6:37
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GestureDetect 手势检测扩展：识别滑动、点击和长按手势 · App Inventor 2 中文网
... 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
Converting Mercurial folder to a Git repository
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On Linux or anything with bash/sh or similar, or python, try with fast export:
cd
git clone git://repo.or.cz/fast-export.git
git init git_repo
cd git_repo
~/fast-export/hg-fast-export.sh -r /path/to/old/mercurial_repo
git checkout HEAD
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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
...ta and it's third party, consider other means of serialization, like JSON, XML, BSON, MessagePack, etc. where you can get 3rd party objects serialized without modifying their definitions.
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How to escape special characters in building a JSON string?
...d any JSON parser will choke on it. (Certainly JavaScript's JSON.parse and Python's json.loads do.)
– Mark Amery
Jan 31 '15 at 16:26
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18月磨出AXON天机 曾学忠做高端机 能为中兴品牌扛旗吗？ - 资讯 - 清泛网 -...
...中兴开始在公开渠道和线上渠道加码。
从今年上半年的数据看，转型效果显著。上半年，中兴中高端手机占比达到39%，公开渠道销售占比提升到42%，运营商渠道占比进一步下降；中兴终端的平均销售单价（ASP）同比提升了8.2%，...
How to customize a requirements.txt for multiple environments?
...nt configuration in two files (Pipfile and Pipfile.lock). Heroku's current Python buildpack natively supports pipenv and will configure itself from Pipfile.lock if it exists instead of requirements.txt.
See the pipenv link for full documentation of the tool.
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