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Could not find OpenSSL. Install an OpenSSL development package or configure CMake with -DCMAKE_US
安装cmake时，运行./configure报错---------------------------------------------CMake 3.17.0-rc2, Copyright 2000-2020 Kitware, Inc. and ContributorsFound GNU toolchainC compiler on this system is: gcc ...原创 2020-03-16 23:49:17 · 13426 阅读 · 5 评论 -
error while loading shared libraries: libQuantLib.so.0: cannot open shared object file: No such ...
安装完quantlib后，在测试quanlib是否能使用时，运行./CDS报错./CDS: error while loading shared libraries: libQuantLib.so.0: cannot open shared object file: No such file or directory原因可能动态加载器还没有意识到你已经添加了QuantLib解决#...原创 2020-03-14 13:50:34 · 510 阅读 · 0 评论 -
...failed updating 66 targets... ...skipped 12 targets... ...updated 1092 targets......
安装boost时候，运行./b2报错…failed updating 66 targets……skipped 12 targets…解决1.查看报错原因./b2 -q2.我这是由于python版本的问题，于是乎，我下载安装了个anaconda就解决了，安装过程可参考https://blog.youkuaiyun.com/weixin_39777626/article/details/8...原创 2020-03-14 12:13:57 · 2068 阅读 · 0 评论 -
version 'xxxx' requested but 'xxxx' not found and version '8.3.0' of default 'g++' does not match
原码在CodeBlocks环境下的编译boost库时bjam install --toolset=gcc--prefix="G:\Library\boost_1_72_0" --build-type=complete报错G:/Library/boost_1_72_0/tools/build/src/tools\gcc.jam:203: in gcc.init from module gc...原创 2020-03-03 15:04:15 · 579 阅读 · 2 评论 -
error: failed to init transaction (unable to lock database)
安装软件时候报错error: failed to init transaction (unable to lock database) error: could not lock database: File exists if you're sure a package manager is not already running, you can remove /var/li...原创 2020-01-20 10:33:45 · 3831 阅读 · 1 评论 -
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None))
安装boost时候报错Looking in indexes: https://pypi.douban.com/simpleWARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot co...原创 2019-12-12 14:10:44 · 9125 阅读 · 4 评论 -
Not enough memory to open this page
解决：使用jupyter notebook时经常会遇到这个问题，之前我一直以为是计算量过大内存不足而挂掉，后来才发现是print()输出太多，页面放不下。所以当循环次数很多时，不要大量使用print()...原创 2019-11-29 10:12:23 · 1597 阅读 · 0 评论 -
ImportError: Unable to import required dependencies
报错ImportError: Unable to import required dependencies:numpy: Something is wrong with the numpy installation. While importing we detected an older version of numpy in ['D:\\Analytical\\Python\\Anacon...原创 2019-11-08 11:13:18 · 13944 阅读 · 0 评论 -
UnicodeEncodeError: 'gbk' codec can't encode character '\U0001f914' in posit
原码#保存爬取结果（微博评论）result.to_csv('egg_comment.csv',encoding='gbk')报错UnicodeEncodeError: 'gbk' codec can't encode character '\U0001f914' in posit原因网上很多内容都是采用utf8编码的，gbk无法编码字符’\U0001f914’，所以’utf8’格式...原创 2019-06-29 21:55:30 · 5841 阅读 · 2 评论 -
ValueError: Expect x to be a 1-D sorted array_like.
常出现在绘图程序中，原因是 x轴数据 有问题，常见原因是出现了重复项，此时最好查重，然后根据情况做出调整示例原码def interp(x,y,xi): f = interpolate.interp1d(x, y,fill_value="extrapolate",kind='quadratic') # use interpolation function returned by...原创 2019-03-06 13:53:31 · 11564 阅读 · 0 评论 -
su: warning: cannot change directory to /home/postgres: No such file or directory
输入su - postgres报错su: warning: cannot change directory to /home/postgres: No such file or directory解决#退出并转换到home目录下exitcd /home#创建postgres文件夹sudo mkdir /home/postgres#设置权限sudo chmod 755 ...原创 2019-02-25 18:52:53 · 9961 阅读 · 0 评论 -
su: Authentication failure
终端输入su - postgres报错su: Authentication failure解析：我在新建用户 postgres 时没有设置密码，只需设置一下用户密码即可sudo passwd postgres#两次输入密码。。#再次使用该用户su - postgres...原创 2019-02-25 15:21:21 · 1122 阅读 · 0 评论 -
Windows下安装Ginkgo测试框架
终端执行命令#切换至GO安装路径cd F:\Go\goProject\src\github.comF:#安装Ginkgo及其附加库go get github.com/onsi/ginkgo/ginkgo go get github.com/onsi/gomega结果安装其附加库时开始报错package golang.org/x/net/html/charset: unrecog...原创 2019-02-17 02:36:05 · 1156 阅读 · 0 评论 -
.\store.go:32:10: cannot assign *gorm.DB to Db (type gorm.DB) in multiple assignment
原码var Db gorm.DBfunc init() { var err error Db, err = gorm.Open("postgres", "user=postgres dbname=testdb password=3141596 sslmode=disable") if err != nil { panic(err) } Db.AutoMigrate(&P...原创 2019-02-12 16:16:55 · 1951 阅读 · 0 评论 -
Figure size 640x480 with 3 Axes
报错：使用可视化库matplotlib绘图时，plt.show()过后只出现<Figure size 640x480 with 3 Axes>而没有生成图片解决：导入库之后添加以下代码即可%matplotlib inline...原创 2019-01-06 15:36:25 · 12521 阅读 · 2 评论 -
Vegalite 2 object
报错：<Vegalite 2 object>解决1.安装vegapip install vega#或者conda install vega2.然后添加下列代码，使用altair来渲染notebookimport altair as altalt.renderers.enable('notebook')...原创 2019-01-06 04:25:14 · 336 阅读 · 0 评论 -
OSError: cannot write mode RGBA as JPEG
原代码captcha.save('code.jpg')原因：RGBA意思是红色，绿色，蓝色，Alpha的色彩空间，Alpha指透明度。而JPG不支持透明度，所以要么丢弃Alpha,要么保存为.png文件解决方法一captcha=captcha.convert('RGB')captcha.save('code.jpg')方法二captcha.save('code.png')...原创 2018-09-19 16:34:31 · 46740 阅读 · 15 评论 -
KeyError: 'Spider not found: zhihu_com'
终端运行scrapy crawl zhihu_com报错2018-08-15 16:55:23 [scrapy.utils.log] INFO: Scrapy 1.5.1 started (bot: zhihuCrawl)2018-08-15 16:55:23 [scrapy.utils.log] INFO: Versions: lxml 4.1.1.0, libxml2 2.9...原创 2018-08-15 17:16:29 · 2941 阅读 · 1 评论 -
ServerSelectionTimeoutError: localhost:27017: [Errno 111] Connection refused
原码import pymongoimport datetimeclient=pymongo.MongoClient() #建立连接db=client.papers #获取数据库collection=db.books # 获取集合#插入文档book={ "author":"Mike", "text":"My first book!", ...原创 2018-08-10 17:28:57 · 6228 阅读 · 1 评论 -
AttributeError: 'map' object has no attribute 'insert'
原码price_float_array = [float(price_str) for price_str in df_new['open']]pp_array = [(price1, price2) for price1, price2 in zip(price_float_array[:-1], price_float_array[1:])]change_array = map(lam...原创 2018-05-26 11:24:57 · 4334 阅读 · 0 评论 -
Running as root is not recommended. Use --allow-root to bypass
首先输入，查看配置文件位置[as-pc as]# jupyter notebook --generate-config --allow-root Overwrite /root/.jupyter/jupyter_notebook_config.py with default config? [y/N]yWriting default config to: /root/.jupyter/j...原创 2018-05-19 09:33:47 · 21659 阅读 · 5 评论 -
Arming ConditionNeedsUpdate...
manjaro原创 2018-05-17 14:05:29 · 1772 阅读 · 0 评论 -
unknown media type in type 'all/all'
解决cd /usr/share/mime/packages/gedit kde.xmlctrl+F 搜索“all/all” 然后移除这一段代码<!-- all/ fake mime types --> <mime-type type="all/all"> <comment>all files and folders</comme...原创 2018-05-16 13:22:01 · 1836 阅读 · 0 评论 -
TypeError: Cannot compare type 'Timedelta
if plotdat.index[-1] - plotdat.index[0] < pd.Timedelta('730 days'): weekFormatter = DateFormatter('%b %d') ax.xaxis.set_major_locator(mondays) ax.xaxis.set_minor_locato...原创 2018-05-12 16:10:27 · 3075 阅读 · 0 评论 -
SyntaxError: non-default argument follows default argument
原码def request(city='输入选择城市',keyword,i): url='https://sou.zhaopin.com/jobs/searchresult.ashx?jl={}&kw={}&sm=0&p={}'.format(city,keyword,i) r=requests.get(url).text tree=etree....原创 2018-05-11 15:15:14 · 376 阅读 · 0 评论 -
zip argument #3 must support iteration
pandas.read_csv()读取带中文路径 原码finance_income=pd.read_csv('/home/as/文档/机器学习/数据/省/财政/预算收入.csv',encoding='gbk')纠正f= open('/home/as/文档/机器学习/数据/省/财政/预算收入.csv',encoding='gbk')finance_income=pd.read_csv...原创 2018-04-30 10:32:52 · 8228 阅读 · 0 评论 -
<filter object at 0x7f09a17652b0>
学习Python过程中，常常会出现代码运行没报错，但输出的却不是我们想要的结果（图表，列表等等），而出现类似<filter object at 0x7f09a17652b0>的结果，这是因为访问对象时，返回的是一个地址，不是真实的数据 如：up_days=filter(lambda day:day.change>0,stock_dict.values())print(up_days)返回<fil原创 2018-04-25 15:49:07 · 2399 阅读 · 0 评论 -
name 'reduce' is not defined
原因： 在Python 3里，reduce()函数已经被从全局名字空间里移除了，现被放置在fucntools模块里修正：先引入后使用from functools import reduce原创 2018-04-25 10:21:03 · 1289 阅读 · 0 评论 -
ValueError: Unknown label type: 'continuous'
原码def test_KNeighborsRegressor_k_w(*data): X_train,X_test,y_train,y_test=data Ks=np.linspace(1,y_train.size,num=100,endpoint=False,dtype='int') weights=['uniform','distance'] #绘图 ...原创 2018-03-25 01:15:16 · 17362 阅读 · 1 评论 -
FileNotFoundError: [Errno 2] "dot" not found in path.
解决sudo apt-get insall graphviz原创 2018-03-23 00:27:42 · 5807 阅读 · 4 评论 -
E: 无法获得锁 /var/lib/dpkg/lock - open (11: 资源暂时不可用)
E: 无法获得锁 /var/lib/dpkg/lock - open (11: 资源暂时不可用)E: 无法锁定管理目录(/var/lib/dpkg/)，是否有其他进程正占用它？解决（强制解锁）sudo rm /var/cache/apt/archives/locksudo rm /var/lib/dpkg/lock...原创 2018-02-24 13:56:04 · 319 阅读 · 0 评论 -
TypeError: cannot use a string pattern on a bytes-like object
原代码r=requests.get('http://huaban.com/favorite/travel_places/').contenta=re.compile(r'app\.page\["pins"\].*')b=a.findall(r)解决 Python3的参数更改了,现在读取的是bytes-like的,但参数要求是chart-like的,找了一下,加了个编码.decode(‘utf-原创 2018-02-19 16:13:08 · 1613 阅读 · 0 评论 -
复制的Xpath抓取的内容为空
原代码coms=comments.xpath('//*[@id="newlist_list_content_table"]/table')for com in coms: position=com.xpath('tbody/tr[1]/td[1]/div/a/text()')纠正:去掉xpath中的tbody 原因：浏览器复制的xpath会自动优化，自己加上tbody，但网页源代码里是没原创 2018-02-18 14:23:27 · 7692 阅读 · 3 评论 -
cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++
输入pip install pyv8报错Collecting pyv8 Using cached PyV8-0.5.zipBuilding wheels for collected packages: pyv8 Running setup.py bdist_wheel for pyv8 ... error Complete output from command /home/as/an原创 2018-02-16 17:38:56 · 19648 阅读 · 2 评论 -
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
输入pip install pyv8报错Collecting pyv8 Downloading PyV8-0.5.zipBuilding wheels for collected packages: pyv8 Running setup.py bdist_wheel for pyv8 ... error Complete output from command /usr/bin/pyt原创 2018-02-16 07:05:39 · 920 阅读 · 1 评论 -
pip._vendor.requests.packages.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='pypi.py
执行pip install face_recognition报错Traceback (most recent call last): File "/home/as/anaconda3/lib/python3.6/site-packages/pip/_vendor/requests/packages/urllib3/response.py", line 232, in _er...原创 2018-01-31 22:08:27 · 4297 阅读 · 0 评论 -
sqlalchemy.exc.OperationalError: (sqlite3.OperationalError) no such table: css_templates
报错 File "/home/as/anaconda3/envs/superset/lib/python3.4/site-packages/sqlalchemy/orm/query.py", line 2855, in __iter__ return self._execute_and_instances(context) File "/home/as/anaconda3/e...原创 2018-01-22 20:40:28 · 15158 阅读 · 10 评论 -
ImportError: No module named 'MySQLdb'
报错Traceback (most recent call last): File "/home/as/anaconda3/envs/superset/bin/superset", line 12, in <module> from superset.cli import manager File "/home/as/anaconda3/envs/superse...原创 2018-01-22 20:17:15 · 1952 阅读 · 0 评论 -
SysCallError: (104, 'ECONNRESET')
安装node.jssudo supip install node.js安装n模块npm install -g n升级node.js到最新稳定版n stable常用命令npm -v #显示版本，检查npm 是否正确安装。npm install express #安装express模块npm install -g expre...原创 2017-12-10 01:32:13 · 4487 阅读 · 0 评论 -
'DataFrame' object has no attribute 'sort'
原码import tushare as tsdf = ts.profit_data(top=60)df.sort('shares',ascending=False)报错AttributeError:'DataFrame' object has no attribute 'sort'解决：将“sort”改为“sort_values”import tushare ...原创 2017-12-09 16:43:29 · 43864 阅读 · 9 评论