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Set value to NULL in MySQL
...emname')");
So the $quantity is outside of the main string.
My sql table now accepted to record null quantity instead of 0
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How do you install Boost on MacOS?
How do you install Boost on MacOS?
Right now I can't find bjam for the Mac.
10 Answers
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How to limit setAccessible to only “legitimate” uses?
...-so-ever. The singleton pattern (putting doubts about its merits aside) is now impossible to enforce.
If that worries you, then I suppose you need to worry. But really you should not be trying to force other programmers to respect your design decisions. If people are stupid enough to use reflect...
What's the key difference between HTML 4 and HTML 5?
...Documents
The primary one is consistent, defined error handling. As you know, HTML purposely supports 'tag soup', or the ability to write malformed code and have it corrected into a valid document. The problem is that the rules for doing this aren't written down anywhere. When a new browser vend...
Log all requests from the python-requests module
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Sure, I am debugging right now with wireshark, but I have a problem: if I do http, I see the full packet contents, but Linkedin returns 401, which is expected, since Linkedin tells to use https. But with https it is not working either, and I can not de...
Rails 3 migrations: Adding reference column?
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If you are using the Rails 4.x you can now generate migrations with references, like this:
rails generate migration AddUserRefToProducts user:references
like you can see on rails guides
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Programmatically scroll a UIScrollView
... flick. Basically my code works in a way similar to the iPhone photo app. Now, is there a way that I can programmatically do the same thing so that I end up with a slideshow that runs on its own with a click of a button and a configurable pause between each scroll?
...
Assigning default values to shell variables with a single command in bash
... builtin to eat the expansion of the ${..} BUT leaving VARIABLE set. Until now I was doing this: VARIABLE="${VARIABLE:-DEFAULT_VALUE}" and feeling dorky for using VARIABLE twice.
– dino
Oct 6 '15 at 18:06
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What is “rvalue reference for *this”?
...n"; }
};
int main(){
test t;
t.f(); // OK
test().f(); // OK too
}
Now, onto why @Nicol's answer is atleast partly wrong. He says:
Note that this declaration changes the type of *this.
That is wrong, *this is always an lvalue:
§5.3.1 [expr.unary.op] p1
The unary * operator performs indir...