我试图精确地在python库matplotlib显示的图像网格上覆盖1像素宽线的网格。 不幸的是,我似乎无法对结果进行足够的精细控制来实现线网格与数据网格的正确对齐,如下面的代码所示。结果似乎总是很接近,但并不完全正确。 我尝试过使用imshow和pcolormesh函数,但这两种方法都遇到了问题。 imshow方法: import matplotlib.pyplot as plt
import numpy as np
size = 60
border = 5
#create test data for image and ticks location
im = np.zeros(sha
我使用的是Ubuntu16.04。我想安装一个与ROS相关的"apt-get安装“包,但是它不起作用。终端机上写着如下。
$ sudo apt-get install ros-kinetic-libuvc
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have
npm install node-sass
npm WARN deprecated har-validator@5.1.5: this library is no longer supported
npm WARN deprecated uuid@3.4.0: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known to be problematic. See https://v8.dev/blog/math
npm ERR! code 1
npm ERR! path D:\Portals\SALAM_DMS\finger\node-java\node_modules\java
npm ERR! command failed
npm ERR! command C:\Windows\system32\cmd.exe /d /s /c node-gyp rebuild
npm ERR! gyp info it worked if it ends with ok
npm ERR! gyp info using node-gyp@8.3.0
npm ERR! gyp info using node@16.1
我已经将PYTHON_TARGETS="python2_7 python3_5 python3_4"添加到我的/etc/portage/make.conf中。
当尝试安装任何支持python目标的程序时,会发生以下情况:
sudo emerge --ask dev-python/google-api-python-client
These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild N ] dev-python/httplib2
我正在尝试使用sudo apt-get upgrade命令升级我的raspbian,但是它总是会导致这个错误
我尝试了这个命令sudo dpkg --configure -a,它显示了相同的错误
我再次尝试对每个包进行一次配置,但没有结果。如何配置dpkg??
dpkg: error processing package python-idna (--configure):
package is in a very bad inconsistent state; you should
reinstall it before attempting configurati
我已经在我的ubuntu14.04上安装了python2.7.5。然后我想安装virtualbox (或任何其他应用程序),但是我得到了这个错误:
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
apt-xapian-i
我运行了sudo apt-get upgrade,我得到了这个错误
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
99 not fully installed or removed.
Need to get 0 B/47.2 kB of archives.
After t
在克隆我的项目之后,我尝试安装不同的包并运行它,但不幸的是,在安装依赖项时,会遇到这些错误。我无法安装任何依赖项或其他任何东西。有人知道这是怎么回事吗?提前谢谢
npm WARN deprecated request@2.81.0: request has been deprecated, see https://github.com/request/request/issues/3142
npm WARN deprecated uuid@3.4.0: Please upgrade to version 7 or higher. Older versions may use Ma
我尝试在Bash中选择一些输出的一部分,但不知道将过滤器放在哪里,并且对我得到的输出感到困惑。
我从
declare -a pythons=("python" "python2" "python3")
for p in "${pythons[@]}"
do
echo "$p: $($p --version 2>&1) in $(which $p)" && for i in $(which -a $p); do echo " $i ($($i --version 2
我正在尝试删除python,但有人告诉我,它将删除几乎我所有的软件包安装(夸张)。我如何才能删除python3.8而不是所有其他包?
hutber@hutber:/var/www$ sudo apt-get purge python3.8
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
li
我试图使用Qt创建者编译,但它返回163个错误。
C:\User\Kato\Desktop\Qt projects\PythonQt-build-desktop-Qt_4_7_4_for_Desktop_-_MinGW_4_4__Qt_SDK__Debug\src....\PythonQt2.0.1\src\PythonQtStdDecorators.h:46:错误: Python.h:没有这样的文件或目录
还有其他的目录。
我安装了python3.2,并将prf文件更改为:
# profile to include and link Python
# Change this var
我有以下脚本:
#!/usr/bin/python
from twisted.internet import reactor
import scrapy
from scrapy.crawler import CrawlerRunner
from scrapy.utils.log import configure_logging
from scrapy.selector import Selector
from lxml import html
class GivenSpider(scrapy.Spider):
name = "dmoz"
allowed_do
看起来python运行的很完美……
$ python
Python 2.7.8 (default, Aug 24 2014, 21:26:19)
[GCC 4.2.1 Compatible Apple LLVM 5.1 (clang-503.0.40)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>>
但是python -v会打印出各种各样的垃圾:
$ python -v
# installi
因此,我做了适当的更新,它更新说,我需要升级5个软件包。因此,我做了适当的升级,它说,它一直说0升级,0新安装,0删除和5没有升级。下面是我所做的,我一直得到这个
sudo apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer req