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C++ equivalent of java's instanceof
...NOT instance of B
}
But you're still reliant on RTTI support. So here is my solution for this problem depending on some Macros and Metaprogramming Magic. The only drawback imho is that this approach does not work for multiple inheritance.
InstanceOfMacros.h
#include <set>
#include <tupl...
Understanding REST: Verbs, error codes, and authentication
I am looking for a way to wrap APIs around default functions in my PHP-based web applications, databases and CMSs.
10 Answ...
Different ways of adding to Dictionary
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Don't really have a source as such, just off the top of my head, but i don't think there's much more to it, than mentioned in the other comments. If i remember correctly, Add simply uses the indexer, but checks first to see if the Key is already in use.
– hhr...
Testing if jQueryUI has loaded
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my problem is that I load jQuery and jQuery.ui dynamically. It sometimes loads in time, sometimes not. If ui is not loaded, how can I wait for it (or force it to be loaded) before calling any method?
– G...
How to change a git submodule to point to a subfolder?
... of the repository as the submodule. However, that's all a bit fiddly and my preference would just be to live with having the whole repository as a submodule.
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How to get the top 10 values in postgresql?
...om
(select
*,
rank() over (order by some_value_column desc) as my_rank
from mytable) subquery
where my_rank <= 10
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How do I close a connection early?
...successfully close the connection when the above doesn't work. However, in my case it prevented my script from continuing executing, so use with caution.
– Eric Dubé
Jun 16 '16 at 2:22
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How to add a WiX custom action that happens only on uninstall (via MSI)?
... use and the values they have for various installation scenarios:
So in my case I wanted a CA that will run only on uninstalls - not upgrades, not repairs or modifies. According to the table above I had to use
<Custom Action='CA_ID' Before='other_CA_ID'>
(NOT UPGRADINGPRODUCTCODE)...
MySQL Insert into multiple tables? (Database normalization?)
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No, you can't insert into multiple tables in one MySQL command. You can however use transactions.
BEGIN;
INSERT INTO users (username, password)
VALUES('test', 'test');
INSERT INTO profiles (userid, bio, homepage)
VALUES(LAST_INSERT_ID(),'Hello world!', 'http://www.sta...
Turn off spell checking in Eclipse for good
... It's not great, but it's not terrible. I actually keep that .epf in my Dropbox so I can share preferences across a couple different computers and OSes, and it works well enough for me.
– Matt Ball
Jun 10 '11 at 12:41
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