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What does Docker add to lxc-tools (the userspace LXC tools)?
...rface, design philosophy and documentation. By contrast, the lxc helper scripts focus on containers as lightweight machines - basically servers that boot faster and need less ram. We think there's more to containers than just that.
Automatic build. Docker includes a tool for developers to automatica...
Do login forms need tokens against CSRF attacks?
... for privacy violations like that. Perhaps, but to quote the section in Wikipedia's CSRF article:
Login CSRF makes various novel attacks possible; for instance, an
attacker can later log in to the site with his legitimate credentials
and view private information like activity history that ha...
Differences between socket.io and websockets
... browser:
WebSocket Client
WebSocket client example using vanilla JavaScript:
var l = document.getElementById('l');
var log = function (m) {
var i = document.createElement('li');
i.innerText = new Date().toISOString()+' '+m;
l.appendChild(i);
}
log('opening websocket connection');
var...
How should I choose an authentication library for CodeIgniter? [closed]
...)
Uses potentially unsafe md5 hashing
Failed login attempts only stored by IP, not by username - unsafe!
Autologin key not hashed in the database - practically as unsafe as storing passwords in cleartext!
Role system is a complete mess: is_admin function with hard-coded role names, is_role a complet...
Local Storage vs Cookies
... this data — the client or the server?
If it's your client (your JavaScript), then by all means switch. You're wasting bandwidth by sending all the data in each HTTP header.
If it's your server, local storage isn't so useful because you'd have to forward the data along somehow (with Ajax or hidd...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
...lt;int>, foam::composition::expression<int>, foam::operators::multiply>> s = x * x; //square
foam::composition::expression<foam::composition::details::binary_expression<foam::composition::expression<foam::composition::details::binary_expression<foam::composition::expressio...
How do emulators work and how are they written? [closed]
...ou'd also have a 16-bit PC register.
With interpretation, you start at the IP (instruction pointer -- also called PC, program counter) and read the instruction from memory. Your code parses this instruction and uses this information to alter processor state as specified by your processor. The core...
Why is there an “Authorization Code” flow in OAuth2 when “Implicit” flow works so well?
... - client side - so the only way to read the hash fragment is using JavaScript that runs on the page.
This makes it possible to pass an Access Token directly to the client without the risk of it being intercepted by an intermediary server. This has the caveat of only being possible client side and...
动态追踪（Dynamic Tracing）技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...，但也只有 1% 的比例。一开始我们很自然的去怀疑网络协议栈方面的细节。但后来我通过一系列专门的 SystemTap 工具直接分析那些超时请求的内部细节，便定位到了是硬盘 配置方面的问题。从网络到硬盘，这种调试是非常有趣...
Is recursion ever faster than looping?
...latively heavy operations, especially on implementations which support multiple threads of execution. Mutation is expensive in some of these environments because of the interaction between the mutator and the garbage collector, if both might be running at the same time.
I know that in some Scheme ...