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How can I rollback a github repository to a specific commit?
... from the one ahead of the commit I wanted to rollback. Cloned it locally. Then applied your recommendations on that copy, this way, I did not compromised my main branch...
– Gauthier Boaglio
Jun 1 '15 at 22:52
...
Do I need to explicitly call the base virtual destructor?
...uctor"<<endl;
}
};
When you do:
B *pD = new D();
delete pD;
Then if you did not have a virtual destructor in B, only ~B() would be called. But since you have a virtual destructor, first ~D() will be called, then ~B().
...
Location of my.cnf file on macOS
...;myVersion>/my.cnf, ~.my.cnfwith my_print_def in the right-most column. Then after a while it's only /usr/local/etc/my.cnf with my terminal in the right-most column. But all of these my.cnf files don't exist!
– Andru
Jan 17 '18 at 13:14
...
Getting Chrome to accept self-signed localhost certificate
...ity settings.
With the following code, you can (1) become your own CA, (2) then sign your SSL certificate as a CA. (3) Then import the CA certificate (not the SSL certificate, which goes onto your server) into Chrome/Chromium. (Yes, this works even on Linux.)
######################
# Become a Certif...
How to flatten tree via LINQ?
... e.SelectMany(c => Flatten(c.Elements)).Concat(new[] { e });
You can then filter by group using Where(...).
To earn some "points for style", convert Flatten to an extension function in a static class.
public static IEnumerable<MyNode> Flatten(this IEnumerable<MyNode> e) =>
...
how to convert from int to char*?
...
@Adambean: If it is C++, then I'm going to assume std::string is available by default, unless it is explicitly specified in the question itself. Makes sense? Also, since the question itself uses std::string (and std::stringstream), then you dont have...
How to serialize SqlAlchemy result to JSON?
... return fields
return json.JSONEncoder.default(self, obj)
and then convert to JSON using:
c = YourAlchemyClass()
print json.dumps(c, cls=AlchemyEncoder)
It will ignore fields that are not encodable (set them to 'None').
It doesn't auto-expand relations (since this could lead to self...
How does this CSS produce a circle?
...us it takes two sides of its border. If you set border-radius to 50 pixels then it would take 25 pixels from one side and 25 pixels from another side.
And taking 25 pixels from each side it would produce like this:
div{
width: 0px;
height: 0px;
border: 180px solid red;
border-rad...
PHP mkdir: Permission denied problem
...he. Make a new group, say called trusted, and put yourself and _www in it. Then make trusted the group owner of all the files in your server documents directory. Finally, do chmod g+rwx as necessary on only the files Apache needs access to, so that the trusted group has permission to edit the files....
What is this operator in MySQL?
...t is relative complex:
CASE WHEN (a = b) or (a IS NULL AND b IS NULL)
THEN 1
ELSE 0
END = 1
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