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Numeric for loop in Django templates
... %}
Note that you'll get 0-based behavior (0, 1, ... n-1).
(Updated for Python3 compatibility)
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Downloading a picture via urllib and python
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Couldn't even get urllib to work in python3. Requests had no issues and it's already loaded! The much better choice I reckon.
– user3023715
Nov 3 '17 at 11:58
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serve current directory from command line
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I've never seen anything as compact as
python3 -m http.server
You can optionally add a port number to the end:
python3 -m http.server 9000
See https://docs.python.org/library/http.server.html
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Check if an apt-get package is installed and then install it if it's not on Linux
..."
echo $?
sudo apt remove -y "$pkg"
dpkg -s "$pkg"
echo $?
ls -l /usr/lib/python3/dist-packages/certbot/reporter.py
sudo apt remove --purge certbot
dpkg -s "$pkg"
echo $?
ls -l /usr/lib/python3/dist-packages/certbot/reporter.py
then:
the first two echo $? output 0, only the third one outputs 1...
error: command 'gcc' failed with exit status 1 while installing eventlet
...through apt on ubuntu/debian with:
sudo apt-get install python-dev
for python3 use:
sudo apt-get install python3-dev
For eventlet you might also need the libevent libraries installed so if you get an error talking about that you can install libevent with:
sudo apt-get install libevent-dev
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Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...api/contacts/id Delete a contact DELETE /api/contacts/id
准备工作
1. 下载并安装Mongo DB，步骤看这里。
2. Mongo DB C# driver下载可以在nuget搜索mongocsharpdriver。
3. 如果想本地察看数据库中内容，下载MongoVUE。
4. Knockoutjs下载可以在nuget搜索knockou...
Conditional Replace Pandas
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yield error: /opt/anaconda3/envs/python35/lib/python3.5/site-packages/ipykernel_launcher.py:1: SettingWithCopyWarning: A value is trying to be set on a copy of a slice from a DataFrame See the caveats in the documentation: pandas.pydata.org/pandas-docs/sta...
How can I convert a dictionary into a list of tuples?
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items() returns a dict_keys view in python3. Wrap this call with a cast to a list "list()". See @SilentGhost's reply
– Erich
Jul 11 '17 at 22:37
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Python String and Integer concatenation [duplicate]
...ng = "string"
>>> [string+`i` for i in range(11)]
Update as per Python3
You can use :
string = 'string'
for i in range(11):
string +=str(i)
print string
It will print string012345678910.
To get string0, string1 ..... string10 you can use this as @YOU suggested
>>> string = "...
win7 安装项目管理工具redmine2.5.1 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...。
http://www.redmine.org/projects/redmine/wiki/RedmineInstall
二、下载必要的软件包
我用的是以下的版本：
redmine-2.5.1.zip
railsinstaller-2.2.2.exe
mysql-installer-community-5.6.17.0.msi
ImageMagick-6.8.9-2-Q16-x86-dll.exe
mysql2-0.3.16.gem
mysql-connector-c-6.1.3-wi...