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How can I get rid of an “unused variable” warning in Xcode?
...as an "unused" attribute you can use to suppress that warning:
BOOL saved __attribute__((unused)) = [moc save:&error];
Alternatively (in case LLVM doesn't support the above), you could split the variable declaration into a separate line, guaranteeing that the variable would be "used" whether ...
How do I iterate through each element in an n-dimensional matrix in MATLAB?
... 4 9 2
A(2,3)
ans =
7
A(8)
ans =
7
We can see the order the elements are stored in memory by unrolling the array into a vector.
A(:)
ans =
8
3
4
1
5
9
6
7
2
As you can see, the 8th element is the number 7. In fact, the function...
RegEx match open tags except XHTML self-contained tags
... can generate the correct pattern with a script that does each of these in order:
Solve the Halting Problem.
Square a circle.
Work out the Traveling Salesman Problem in O(log n) or less. If it's any more than that, you'll run out of RAM and the engine will hang.
The pattern will be pretty big, so...
Using CSS to affect div style inside iframe
...I use the Prototype framework to make it easier:
frame1.$('mydiv').style.border = '1px solid #000000'
or
frame1.$('mydiv').addClassName('withborder')
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Reopen last closed tab in Visual Studio
...
The ordering is not most recent closed, but rather most recently opened, which is sadly not ideal.
– Mike Weir
Jun 14 '17 at 16:35
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Is delete this allowed?
... so you can't tie it to any lexical scope in the code, or anything on that order.
For anybody who might care about how dependable this kind of coding can be: if you make a phone call to, from, or through almost any part of Europe, there's a pretty good chance that it's being handled (at least in pa...
Finding # occurrences of a character in a string in Ruby
...tead of regex which varies slightly from another answer but was helpful in order to avoid regex.
string = 'This is an example'
puts string.scan('e')
Outputs:
['e','e']
I explored these methods further in a small video guide I created after I figured it out.
...
How to use multiple AWS Accounts from the command line?
...y allowed to do one mention per comment so I had to add another comment in order to mention both. You are correct that your answer is a different approach but it is very helpful to know where the information is stored, in particular if you intend to copy settings between profiles.
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Do rails rake tasks provide access to ActiveRecord models?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Linux command to print directory structure in the form of a tree
...om maintainer's web page.
You can add the option -L # where # is replaced by a number, to specify the max recursion depth.
Remove -d to display also files.
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