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What does DIM stand for in Visual Basic and BASIC?
...uth BASIC, which descended from FORTRAN, where DIMENSION is spelled out.)
Nowadays, Dim is used to define any variable, not just arrays, so its meaning is not intuitive anymore.
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Why use apparently meaningless do-while and if-else statements in macros?
...say you
had something like your second macro.
#define BAR(X) f(x); g(x)
Now if you were to use BAR(X); in an if ... else statement, where the bodies of the if statement were not wrapped in curly brackets, you'd get a bad surprise.
if (corge)
BAR(corge);
else
gralt();
The above code would e...
How to become an OpenCart guru? [closed]
...ramework relies on the route=aaa/bbb/ccc in the query string parameter to know what to load, and is the underpinning feature to finding the files you need to edit for each page. Most route's actually only use the aaa/bbb which should be seen as two parts, however some contain three parts aaa/bbb/ccc...
Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...te
If for some crazy reason (can be valid but I cannot think of one right now), you do not wish to add any content_type validation and allow people to spoof Content-Types and receive data you weren't expecting onto your server then add the following:
do_not_validate_attachment_file_type :image
...
Server polling with AngularJS
...
Excellent, thanks. I didn't know you could put the callback there. That solved the spamming issue. I also moved the data assignment to inside the callback which solved the UI clearing problem.
– Dave
Dec 2 '12 at 17...
What is aria-label and how should I use it?
...ion to the action led by the button (think about someone with no computer knowledge). It might mean "close", "delete", "cancel", "reduce", a strange cross, a doodle, nothing.
Despite the fact that the W3C seems to promote the aria-label rather that the title attribute here: http://www.w3.org/TR/201...
moving changed files to another branch for check-in
...u want to finish and commit later, but you need to do something else right now).
– Tekkub
Aug 28 '11 at 0:26
2
...
What is Normalisation (or Normalization)?
...hn
2 | Ford 2 | Sue
2 | Cadillac
Now it may seem like we still have redundant data because the UserId's are repeated; However the PK/FK constraint ensures that the values cannot be updated independently, so integrity is safe.
Is it important? Yes, it is ver...
How to configure Sublime Text 2/3 to use direct Ctrl+Tab order and to create new tabs after the last
...
For people who don't know how to directly edit the sublime-keymap (like me): Click preferences -> Key Bindings - User. Copy above code in the file (between the brackets)
– Mathias711
Jan 13 '15 at 8:12
...
Java `final` method: what does it promise?
...super.count();
return super.count();
}
}
c.count(); // now count 2
Or something like this:
Counter c = new Counter() {
public int count() {
int lastCount = 0;
for (int i = super.count(); --i >= 0; ) {
lastCount = super.count();
}
...