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How expensive is RTTI?
...nium C++ ABI, documented at http://www.codesourcery.com/public/cxx-abi/abi.html. The names are horribly confusing: the name refers to the original development architecture, though the ABI specification works on lots of architectures including i686/x86_64. Comments in GCC's internal source and STL co...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...asically the
code that (at least eventually) is turned into javascript + html + css
on the client.
The ViewModel is the rest of the "glue" that is required to adapt your
model (these operations related to ordering) in order to make it work
with the specific view technology/layer you're ...
Get path of executable
...se using the predefined OS macros detailed at predef.sourceforge.net/preos.html to select the method is straightforward.
– Clifford
Oct 7 '09 at 15:02
5
...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
...e and the typical use cases here: http://fallengamer.livejournal.com/93321.html .
From that article:
--assume-unchanged assumes that a developer shouldn’t change a file. This flag is meant for improving performance for not-changing folders like SDKs.
--skip-worktree is useful when you instruct...
Difference between initLoader and restartLoader in LoaderManager
...he documentation here says: developer.android.com/guide/components/loaders.html. "They automatically reconnect to the last loader's cursor when being recreated after a configuration change. Thus, they don't need to re-query their data."
– IgorGanapolsky
Feb 14...
Lock-free multi-threading is for real threading experts
...ook:
http://www.bluebytesoftware.com/books/winconc/winconc_book_resources.html
He also writes a blog on these topics.
The trick to getting low-lock programs right is to understand at a deep level precisely what the rules of the memory model are on your particular combination of hardware, operatin...
Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
...ion Class - http://developer.android.com/reference/android/app/Application.html
Everytime you start an AsyncTask, set it on the Application and when it finishes it set it to null.
When a fragment/activity starts you can check if any AsyncTask is running (by checking if it's null or not on the Appl...
How to enable local network users to access my WAMP sites?
...and important. Please see
# http://httpd.apache.org/docs/2.4/mod/core.html#options
# for more information.
#
Options Indexes FollowSymLinks
#
# AllowOverride controls what directives may be placed in .htaccess files.
# It can be "All", "None", or any combination of the ...
Flags to enable thorough and verbose g++ warnings
...):
Cross checked with:
http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
-g -O -Wall -Weffc++ -pedantic \
-pedantic-errors -Wextra -Waggregate-return -Wcast-align \
-Wcast-qual -Wconversion \
-Wdisabled-optimization \
-Werror -Wfloat-equal -Wformat=2 \
-Wformat-nonliteral -Wformat-security ...
Why is an int in OCaml only 31 bits?
...es" section of https://ocaml.org/learn/tutorials/performance_and_profiling.html for a good description.
The short answer is that it is for performance. When passing an argument to a function it is either passed as an integer or a pointer. At a machine level language level there is no way to tell ...