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How do I add a foreign key to an existing SQLite table?
...you will have to recreate all this tables too.
– rocknow
Sep 18 '14 at 1:16
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What's the difference between an object initializer and a constructor?
...bject calling default constructor
tmp.Name = "a";
tmp.Age = 23;
p = tmp;
Now this facilitates behaviour like this. Knowing how object initializers work is important.
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No visible cause for “Unexpected token ILLEGAL”
...space character (a.k.a. ZWSP, HTML entity ​). That character is known to cause the Unexpected token ILLEGAL JavaScript syntax error.
And where did it come from?
I can't tell for sure, but my bet is on jsfiddle. If you paste code from there, it's very likely to include one or more U+200B ch...
cannot download, $GOPATH not set
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Link is dead now.
– Aman Deep Gautam
Jan 8 '18 at 19:44
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How to migrate GIT repository from one server to a new one
...tory: Simply login to the new server, cd to the parent directory where you now want to hold the repository, and use rsync to copy from the old server:
new.server> rsync -a -v -e ssh user@old.server.com:path/to/repository.git .
Make clients point to the new repository: Now on each client using t...
Create new user in MySQL and give it full access to one database
...de/site accessing MySQL on the same machine, hostname would be localhost.
Now, the break down.
GRANT - This is the command used to create users and grant rights to databases, tables, etc.
ALL PRIVILEGES - This tells it the user will have all standard privileges. This does not include the privileg...
What are some good resources for learning about Artificial Neural Networks? [closed]
....archive.org/web/20071025010456/http://www.geocities.com/… (at least for now...)
– RCIX
Oct 28 '09 at 2:46
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HTML/CSS: Making two floating divs the same height
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No, we are now in 2014 (;
– Francisco Presencia
Jan 15 '14 at 4:55
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Count number of rows within each group
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I don't know but this could be useful as well... df %>% group_by(group, variable) %>% mutate(count = n())
– Manoj Kumar
Dec 14 '16 at 17:57
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Is an HTTPS query string secure?
... domain specific information is used, i.e., only example.com will be used.
Now, your client will try to connect to the server with the IP address 124.21.12.31 and will attempt to connect to port 443 (SSL service port not the default HTTP port 80).
Now, the server at example.com will send its certifi...