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nginx key+pem iis pfx+pfx-password.txt tomcat pfx+pfx-password.txt apache key+chain.crt+public.crt 阅读全文
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SET @L=16, @i=3;SELECT *,CONCAT( LEFT(tag2,@i-1) ,'W', RIGHT(tag2,@L-@i)) from tb_main LIMIT 1,10; 阅读全文
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a='123'b=bytearray(a)b[0]='2'a=str(b) 阅读全文
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pip3 install PyMySQL 阅读全文
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显示base64图片 <image style="width: 30px; height: 30px; margin:10px;" mode="scaleToFill" src="data:image/jpg;base64,{{peers[index].picBase64}}"></image> 阅读全文
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import os for filename in os.listdir(r'.'): print filename os.rename(filename,filename.replace(' ','_')) cmd= "avconv -i "+filename.replace(' ','_') + " ./mp3/"+ filename.replace('m4a','m... 阅读全文
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安装 libressl-2.9.2 (SSL) sudo apt-get install libffi-dev (_ctypes) ldconfig -v wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz tar -zxvf 阅读全文
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getconf LONG_BIT # 查看系统位数 uname -a # kernel 版本 /opt/vc/bin/vcgencmd version # firmware版本 strings /boot/start.elf | grep VC_BUILD_ID # firmware版本 cat /proc/version # ke... 阅读全文
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kill -9 `cat pid` nohup python3 -u webserver.py & echo $! > pid 阅读全文
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CentOs 7.X: rpm -Uvh https://mirror.webtatic.com/yum/el7/epel-release.rpm rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm 可以安装的包yum 阅读全文
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location /faceapi/ { #default_type application/json; # return 200 '{"status":"success","result":"nginx json"}'; proxy_pass http://face.v.cn:8086... 阅读全文
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server { listen 8808; server_name c.v.cn; location / { index index.php index.html index.htm; } error_page 404 /404.html; location ... 阅读全文
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import numpy as np from sklearn import svm X = np.array([[-1, -1], [-2, -1], [1, 1], [2, 1]]) y = np.array([1, 1, 2, 2]) clt = svm.SVC(probability = True) clt.fit(X, y) print clt.predict([[-0.8, -... 阅读全文