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How much overhead does SSL impose?
...c cryptography happens. After negotiation, relatively efficient symmetric ciphers are used. That's why it can be very helpful to enable SSL sessions for your HTTPS service, where many connections are made. For a long-lived connection, this "end-effect" isn't as significant, and sessions aren't as us...
SHA512 vs. Blowfish and Bcrypt [closed]
...o, keep in mind that the study of hash algorithms is "newer" than that of ciphers, and cryptographers are still learning about them.
Even though bcrypt as a whole hasn't had as much scrutiny as Blowfish itself, I believe that being based on a cipher with a well-understood structure gives it some in...
Casperjs/PhantomJs vs Selenium
...t workflow and/or in a continuous integration server. Selenium targets multiple browsers and hence it is very useful to ensure cross-browser consistency and carry out extensive testings across different operating systems.
If your web application needs to run on a variety of web browsers, running th...
Detect network connection type on Android
...STATE"></uses-permission>
Sources for network speeds include wikipedia & http://3gstore.com/page/78_what_is_evdo_mobile_broadband.html
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Do HttpClient and HttpClientHandler have to be disposed between requests?
...plication needs to make HTTP requests. Having an object
exist across multiple requests enables a place for setting
DefaultRequestHeaders and prevents you from having to re-specify
things like CredentialCache and CookieContainer on every request as
was necessary with HttpWebRequest.
Or even...
Is there a wikipedia API just for retrieve content summary?
I need just to retrieve first paragraph of a Wikipedia page.
Content must be html formated, ready to be displayed on my website (so NO BBCODE, or WIKIPEDIA special CODE!)
...
Why does base64 encoding require padding if the input length is not divisible by 3?
...out additional information usually from somewhere else in your stack, like TCP, checksums, or other methods.
Examples
Here is the example form RFC 4648 (http://tools.ietf.org/html/rfc4648#section-8)
Each character inside the "BASE64" function uses one byte (base256). We then translate that to ...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...节点成为主节点。
Hidden:这类节点是不能够被客户端制定IP引用，也不能被设置为主节点，但是可以投票，一般用于备份数据。
Delayed：可以指定一个时间延迟从primary节点同步数据。主要用于备份数据，如果实时同步，误删除数...
When is the thread pool used?
...
Yes. Node provides basic UDP, TCP, and HTTP networking. It provides ONLY asynchronous "pool-based" APIs. All node.js code in the world without exception uses these pool-based asynchronous APIs as there are simply all that is available. Filesystem and chil...
What is the ultimate postal code and zip regex?
I'm looking for the ultimate postal code and zip code regex. I'm looking for something that will cover most (hopefully all) of the world.
...