我有一个普通的ASCII文件。当我尝试用codecs.open(..., "utf-8")打开它时,我无法读取单个字符。ASCII是UTF-8的一个子集,那么为什么codecs不能以UTF-8模式打开这样的文件呢?
# test.py
import codecs
f = codecs.open("test.py", "r", "utf-8")
# ASCII is supposed to be a subset of UTF-8:
# http://www.fileformat.info/info/unicode/utf8.
我正在尝试在运行Raspbian的Raspberry Pi上从源代码构建和安装python 3.6.2。以下是构建过程的过程:
$ ./configure --enable-optimizations --enable-ipv6 # everything seems fine
$ make -s -j$(nproc) # everything seems fine except for a few tests being skipped
$ make test # again, a few tests are skipped
$ sudo checkinstall -D make alti
下面的事情真的让我很困扰,我笔记本电脑上的python版本和Docker的ubuntu中的python版本:可信的图像正在用它们的编解码器打印不同的结果,原因是什么?例如,我的笔记本电脑上的python3 (ubuntu,信任):
Python 3.4.3 (default, Apr 14 2015, 14:16:55)
[GCC 4.8.2] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
我已经从源代码编译并安装了python3.6,当我在控制台中输入python3.6时,我得到:
Could not find platform dependent libraries <exec_prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
Python 3.6.1rc1+ (default, Mar 11 2017, 15:01:24)
[GCC 4.9.2] on linux
Type "help", "copyright", "
我在一台x86_64机器上的Bubuntu18.04上,我似乎无法使用cerbero来安装gstreamer。我遵循这里的说明:
所有包都是构建的,我用以下方法创建了~/..cerbero/cerbero.cb:
# For Windows x86
#prefix='/c/gstreamer/1.0/x86/'
# For Windows x86_64
#prefix='/c/gstreamer/1.0/x86_64'
# For Linux
prefix='/opt/gstreamer'
# For OS X
#prefix='/
我确实从Linux传输到了Windows,并且使用了Python3。在Linux上,我可以使用unicode字符“šđčćž”,而不需要任何导入,或者现在windows上的任何东西,我在打印时出现了这个错误。
return codecs.charmap_encode(input,self.errors,encoding_map)[0] UnicodeEncodeError: 'charmap' codec can't encode character '\u0161' in position 62: character maps to <undef
我正在尝试读取使用西欧(windows)编码的CSV文件 df = pd.read_csv(FileName,encoding='mbcs', usecols=[1],header=4) 这段代码在Windows上工作得很好,但在Linux 18.04上就不行了。(错误:未知编码: mbcs)实际上,在codecs python documentation中,我们有以下信息: mbcs is for Windows only: Encode the operand according to the ANSI codepage (CP_ACP). 在Linux上有没有其他方法/
rakesh@rakesh-Inspiron-3542:~$ sudo apt-get upgrade -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
gnome-software gnome-software-common libapache2-mod-php liboxideqt-qmlplugi
它报告的令人关切的文件如下。
我并不担心/tmp/yarn*中的包管理器,因为我相信这是NodeJS的包管理器,但是tmp/_MEI*中的包管理器是相互关联的。
它报告的另一个问题是:
Checking `chkutmp'... The tty of the following user process(es) were not found
in /var/run/utmp !
! RUID PID TTY CMD
! ubuntu 10310 pts/0 /bin/ba
当lib 检测到运行时为python3但编码为ASCII时,它突然结束python程序:
RuntimeError: Click will abort further execution because Python 3 was configured to use ASCII as encoding for the environment. Either switch to Python 2 or consult http://click.pocoo.org/python3/ for mitigation steps.
在我的例子中,我发现了这个问题的原因,当我从Mac连接到我的Linux主机
我试图在Linux上构建XTK,运行在甲骨文VirtualBox上的以获得非小型化的xtk.js。当我试图在运行xtk-deps.js文件时生成deps.py时,遇到了以下错误:
Generating dependency file for XTK...
Traceback (most recent call last):
File "/root/Downloads/X-master/lib/google-closure-library/closure/bin/build/depswriter.py", line 212, in <module>
main()
Fi
我最近升级了我的linux (debian)。从那时起,我Mendeley就不起作用了:它开始了,几秒钟后就开始抓取并立即崩溃。
这是它给出的错误消息:
Qt WebEngine Plugins directory not found. Trying fallback directory... Plugins as for example video codecs MAY NOT work.
我试着卸载mendeley桌面并再次安装它,但仍然存在相同的问题。有什么建议吗?
在试图使用金字塔中的PayPal IPN POST有效载荷时(可能还有其他人),我会得到解码错误:
[...]
File "./project/views.py", line 716, in paypal_ipn
message = request.POST
File "build/bdist.linux-x86_64/egg/webob/request.py", line 745, in POST
File "build/bdist.linux-x86_64/egg/webob/multidict.py", line 74,
我的清单文件中有以下内容:
<activity
android:name="org.sipdroid.codecs.Codecs$CodecSettings"
android:label="@string/app_name" >
</activity>
这就是这个类:
public static class CodecSettings extends PreferenceActivity {
private static final int MENU_UP = 0;
p
下面是使用NetSim.ui从NetSim.py转换成pyuic4的python代码。
组合框名称更改为编解码器。
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'NetSim.ui'
#
# Created: Wed Oct 15 11:46:03 2014
# by: PyQt4 UI code generator 4.10.1
#
# WARNING! All changes made in this file will be lost!
from P
我得到以下错误-在读取POJO时,我能够成功地插入/更新和删除。
我们使用mongodb-driver-reactivestreams (1.9.0)
org.bson.codecs.configuration.CodecConfigurationException: An exception occurred when decoding using the AutomaticPojoCodec.
Decoding into a 'FooBar' failed with the following exception:
Failed to decode 'FooBar
我正在尝试升级到spring-boot 2.3.6。我使用的是spring-data MongoRepositories,没有对MongoClient或MongoClient的直接调用。
获取异常:
Caused by: org.bson.codecs.configuration.CodecConfigurationException: The uuidRepresentation has not been specified, so the UUID cannot be encoded.
at org.bson.codecs.UuidCodec.encode(UuidCodec.ja