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C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
...bstract machine in the C++98/C++03 specification is fundamentally single-threaded. So it is not possible to write multi-threaded C++ code that is "fully portable" with respect to the spec. The spec does not even say anything about the atomicity of memory loads and stores or the order in which load...
iOS: How to store username/password within an app?
...quits (if that was your concern).
Apple provides sample code that stores, reads and deletes keychain items and here is how to use the keychain wrapper class from that sample which greatly simplifies using Keychain.
Include Security.framework (in Xcode 3 right-click on frameworks folder and add exi...
If REST applications are supposed to be stateless, how do you manage sessions?
I'm in need of some clarification. I've been reading about REST, and building RESTful applications. According to wikipedia, REST itself is defined to be Representational State Transfer . I therefore don't understand all this stateless gobbledeygook that everyone keeps spewing.
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iPhone SDK: what is the difference between loadView and viewDidLoad?
...I add init code to loadView, I end up with an infinite stack trace
Don't read self.view in -loadView. Only set it, don't get it.
The self.view property accessor calls -loadView if the view isn't currently loaded. There's your infinite recursion.
The usual way to build the view programmatically i...
Better way to cast object to int
...ou have several options:
(int) — Cast operator. Works if the object already is an integer at some level in the inheritance hierarchy or if there is an implicit conversion defined.
int.Parse()/int.TryParse() — For converting from a string of unknown format.
int.ParseExact()/int.TryParseExact()...
Advantage of creating a generic repository vs. specific repository for each object?
... Oldie but a goodie. This post is incredibly wise and should be read and re-read but all well-to-do developers. Thanks @BryanWatts. My implementation is typically dapper based, but premise is the same. Base repository, with specific repositories to represent the domain that opt-in to feat...
How to run multiple shells on Emacs
...gument. It's a way of injecting an argument into the next command. You can read more about it with C-h k C-u (C-h k runs describe-key, very handy!)
– Matt Curtis
Sep 28 '14 at 1:35
...
Finding duplicate values in a SQL table
...u2.name AND u.email = u2.email AND u.id > u2.id
)
Much more easier to read and understand IMHO
Note: The only issue is that you have to execute the request until there is no rows deleted, since you delete only 1 of each duplicate each time
...
django change default runserver port
...RVER_PORT
I'm loading the default port form settings here (which in turn reads other configuration files), but you could just as well read it from some other file directly.
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Filename too long in Git for Windows
...ar as I understand this, it's a limitation of msys and not of Git. You can read the details here:
https://github.com/msysgit/git/pull/110
You can circumvent this by using another Git client on Windows or set core.longpaths to true as explained in other answers.
git config --system core.longpaths t...