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how does multiplication differ for NumPy Matrix vs Array classes?
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The main reason to avoid using the matrix class is that a) it's inherently 2-dimensional, and b) there's additional overhead compared to a "normal" numpy array. If all you're doing is linear algebra, then by all means, feel free t...
How to configure heroku application DNS to Godaddy Domain?
...h Heroku, and it worked perfectly. Very clear and well explained.
Note: Skip the part about CNAME yourdomain.com. (note the .) and the heroku addons:add "custom domains"
http://blog.heroku.com/archives/2009/10/7/heroku_casts_setting_up_custom_domains/
To summarize the video:
1) on GoDaddy and ...
使用App Inventor扩展实现多点触控：Scale Detector · App Inventor 2 中文网
...可以按照下面的第 1 部分加载提供的源文件 ScaleGestureDemo.aia 来构建演示源应用程序。 要构建应用程序，你需要使用位于 http://extension-test.appinventor.mit.edu 的 App Inventor 测试服务器。 你还需要使用与该实例对应的 AI Companion。 连接...
Are HTTPS headers encrypted?
...ers.
That's why SSL on vhosts doesn't work too well - you need a dedicated IP address because the Host header is encrypted.
†The Server Name Identification (SNI) standard means that the hostname may not be encrypted if you're using TLS. Also, whether you're using SNI or not, the TCP and IP header...
Detecting 'stealth' web-crawlers
...I developed examined web server logs for excessive activity from any given IP address and issued firewall rules to block offenders. It included whitelists of IP addresses/ranges based on http://www.iplists.com/, which were then updated automatically as needed by checking claimed user-agent strings ...
What is /dev/null 2>&1?
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& indicates a file descriptor. There are usually 3 file descriptors - standard input, output, and error.
– Testing123
Sep 15 '17 at 17:22
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How to write “Html.BeginForm” in Razor
...t to add: @Html.AntiForgeryToken();
– Frédéric De Lène Mirouze
Oct 24 '17 at 7:52
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What is the best django model field to use to represent a US dollar amount?
I need to store a U.S. $ dollar amount in a field of a Django model. What is the best model field type to use? I need to be able to have the user enter this value (with error checking, only want a number accurate to cents), format it for output to users in different places, and use it to calculate...
Nginx reverse proxy causing 504 Gateway Timeout
...ed just fine:
server {
location / {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $http_host;
proxy_http_version 1.1;
proxy_set_header Connection "";
proxy_pass http://localhost:5000;
}
}
Have a look at this posts which exp...
How to change the font size on a matplotlib plot
... nice, except it override any fontsize property found on it's way è_é
– yota
Sep 25 '14 at 11:56
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