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What are forward declarations in C++?
...add' (or any other types, classes or functions) before it is used.
This really just allows the compiler to do a better job of validating the code, and allows it to tidy up loose ends so it can produce a neat looking object file. If you didn't have to forward declare things, the compiler would produ...
Include an SVG (hosted on GitHub) in MarkDown
...
The purpose of raw.github.com is to allow users to view the contents of a file, so for text based files this means (for certain content types) you can get the wrong headers and things break in the browser.
When this question was asked (in 2012) SVGs didn't wor...
How do I use vi keys in ipython under *nix?
... ipython --TerminalInteractiveShell.editing_mode=vi
... or to set it globally in the profile configuration (~/.ipython/profile_default/ipython_config.py; create it with ipython profile create if you don't have it) with:
c.TerminalInteractiveShell.editing_mode = 'vi'
...
How to write a scalable Tcp/Ip based server
...he best bet, using the Asynchronous sockets. This meant that clients not really doing anything actually required relatively little resources. Anything that does occur is handled by the .net thread pool.
I wrote it as a class that manages all connections for the servers.
I simply used a list to ho...
How can I cast int to enum?
... (e.g. "2342342" -- assuming that's not a value of your enum), it will actually allow that without throwing an error! Your enum will have that value (2342342) even though it's not a valid choice in the enum itself.
– JoeCool
Jun 25 '13 at 15:14
...
STAThread and multithreading
...ading is a COM concept; if you're not using COM, and none of the APIs you call use COM "under the covers", then you don't need to worry about apartments.
If you do need to be aware of apartments, then the details can get a little complicated; a probably-oversimplified version is that COM objects ta...
Difference between initLoader and restartLoader in LoaderManager
...f the abstract LoaderManager, is much more enlightening.
initLoader
Call to initialize a particular ID with a Loader. If this ID already
has a Loader associated with it, it is left unchanged and any previous
callbacks replaced with the newly provided ones. If there is not
currently a L...
How do I break out of a loop in Perl?
...nd assuming you were just feeding given some scalar variable... but why do all that work just to use a break, it is (very) bad form, not to mention (blah!)just saying, its "possible" just not a good idea & not what you may think it is
– osirisgothra
Sep 1 '...
How do you merge two Git repositories?
...hub.com/rails/rails.git master
This will appear as a single commit where all files of Rails master branch are added into "rails" directory.
However the commit's title contains a reference to the old history tree:
Add 'rails/' from commit <rev>
Where <rev> is a SHA-1 commit hash. ...
git pull keeping local changes
...e solution based on Git stash. Stash everything that you've changed, pull all the new stuff, apply your stash.
git stash
git pull
git stash pop
On stash pop there may be conflicts. In the case you describe there would in fact be a conflict for config.php. But, resolving the conflict is easy be...