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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
...Bandwidth in decreasing efficiency:
Plugin networking: Flash sockets are raw except for initial policy request
WebSockets: connection setup handshake and a few bytes per frame
HTTP streaming (re-use of server connection)
HTTP long-poll: connection for every message
HTTP poll: connection for every ...
What should main() return in C and C++?
...onment. If the host environment is not capable of
supplying strings with letters in both uppercase and lowercase, the implementation
shall ensure that the strings are received in lowercase.
If the value of argc is greater than zero, the string pointed to by argv[0]
represents the program nam...
NOT using repository pattern, use the ORM as is (EF)
...y pattern. I cannot stress this enough! This is something that one has to crawl through the mud to figure out. There will always be that one query that breaks your perfectly thought out repository/solution that you've created, and it's not until that point where you second guess yourself and the tec...
Best practice multi language website
...stom themes, the theme's font is very likely to not have symbols for those letters
I actually tried to IDN approach few years ago in a Yii based project (horrible framework, IMHO). I encountered both of the above mentioned problems before scraping that solution. Also, I suspect that it might be an ...
What does T&& (double ampersand) mean in C++11?
...ue_ptr. Since a unique_ptr maintains exclusive ownership of its underlying raw pointer, unique_ptr's can't be copied. That would violate their invariant of exclusive ownership. So they do not have copy constructors. But they do have move constructors:
template<class T> class unique_ptr {
//...
How do we control web page caching, across all browsers?
... this:
Cache-Control: no-store
<body onunload="">
Below shows the raw logs of my tests:
HTTP:
Cache-Control: private, no-cache, no-store, must-revalidate, max-age=0, proxy-revalidate, s-maxage=0
Expires: 0
Pragma: no-cache
Vary: *
<body onunload="">
Fail: Opera 12.15
Success: Chrom...
Check whether a path is valid in Python without creating a file at the path's target
...n Windows, the filesystem mounted to %HOMEDRIVE%, the colon-suffixed drive letter containing the current Windows installation (typically but not necessarily C:).
The meaning of "syntactic correctness," in turn, depends on the type of root filesystem. For ext4 (and most but not all POSIX-compatible...
Repeat String - Javascript
...ively building up the desired string length.
For instance, to create a 16-letter byte string, first a two byte string would be precomputed. Then the two byte string would be reused to precompute a four-byte string. Then the four-byte string would be reused to precompute an eight byte string. Finall...
Database development mistakes made by application developers [closed]
... data that is (ostensibly) unique. Common examples are product codes, two-letter state codes (US), social security numbers and so on. Surrogate or technical primary keys are those that have absolutely no meaning outside the system. They are invented purely for identifying the entity and are typic...
Finding current executable's path without /proc/self/exe
...s with "/" but on some non-Unix systems it might start with "\" or a drive letter or name prefix followed by a colon.
Else if argv[0] is a relative path (contains "/" or "\" but doesn't start with it, such as "../../bin/foo", then combine pwd+"/"+argv[0] (use present working directory from when prog...