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HTTP headers in Websockets client API
...gument to the WebSocket constructor:
var ws = new WebSocket("ws://example.com/path", "protocol");
var ws = new WebSocket("ws://example.com/path", ["protocol1", "protocol2"]);
The above results in the following headers:
Sec-WebSocket-Protocol: protocol
and
Sec-WebSocket-Protocol: protocol1, pr...
How to set proxy for wget?
...roxy>=127.0.0.01:8080 <download>..., omitting the "use_proxy=yes" command parameter. Thanks!
– alejandrob
Sep 25 '15 at 15:45
...
How do you sign a Certificate Signing Request with your Certification Authority?
...ng the ca module
openssl ca ...
...
You are missing the prelude to those commands.
This is a two-step process. First you set up your CA, and then you sign an end entity certificate (a.k.a server or user). Both of the two commands elide the two steps into one. And both assume you have a an OpenSSL...
Tracing XML request/responses with JAX-WS
...
Following options enable logging of all communication to the console (technically, you only need one of these, but that depends on the libraries you use, so setting all four is safer option). You can set it in the code like in example, or as command line parameter ...
How do I download a file over HTTP using Python?
...n():
import urllib.request
with urllib.request.urlopen('http://www.example.com/') as f:
html = f.read().decode('utf-8')
This is the most basic way to use the library, minus any error handling. You can also do more complex stuff such as changing headers.
On Python 2, the method is in urllib2:
im...
How to show particular image as thumbnail while implementing share on Facebook?
...
This blog post seems to have your answer:
http://blog.capstrat.com/articles/facebook-share-thumbnail-image/
Specifically, use a tag like the following:
<link rel="image_src"
type="image/jpeg"
href="http://www.domain.com/path/icon-facebook.gif" />
The name of the i...
程序员之网络安全系列（五）：数字证书以及12306的证书问题 - 更多技术 - ...
...签名。
证书是如何保证身份认证的
申请证书：
Amazon.com 向Symantec 公司(CA) 申请证书。
Symantec(CA) 生成一对公钥A和私钥B。
Symantec(CA) 有自己的公钥C和私钥D。
Symantec(CA) 把Issuer,公钥A,Subject(一般是网站的域名),Valid from,Valid to等...
GitHub: Permission denied (publickey). fatal: The remote end hung up unexpectedly
...r permission ( /home/user/git) it will work fine.
(Explanation: Running a command as superuser will not work with the same public key as running a command as user. Therefore Github refused the connection.)
This solution requires a SSH key already to be set up: https://help.github.com/articles/gen...
backbone.js & underscore.js CDN recommendation?
...
http://www.cdnjs.com hosts a lot of less popular JavaScript frameworks, including:
backbone.js: //cdnjs.cloudflare.com/ajax/libs/backbone.js/1.0.0/backbone-min.js (HTTP | HTTPS)
underscore.js: //cdnjs.cloudflare.com/ajax/libs/underscore.js/...