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Eclipse says: “Workspace in use or cannot be created, chose a different one.” How do I unlock a work
...e cause of the “Workspace in use or cannot be created, chose a different one” issue is that the real path to your workspace may have changed.
In my case, the real location of the workspace had changed, but I had used a symlink to make it look like it was in the same location. I saw errors in l...
I need to store postal codes in a database. How big should the column be?
...eds editing, since the similar looking postal code for Malta has a generic one like "AAA NNNN". I would not mind to have even 15 characters because it could only be less problem later if we have to adjust column length, also with right use of data types, it should not take all 15 characters anyway (...
Applying .gitignore to committed files
...ere's a lot of files though. I don't want to have do this for every single one
– user880954
Sep 23 '11 at 11:08
1
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Why isn't vector a STL container?
...ctor<bool> as a special standard container where each bool uses only one bit of space rather than one byte as a normal bool would (implementing a kind of "dynamic bitset"). In exchange for this optimization it doesn't offer all the capabilities and interface of a normal standard container.
In...
How to build a framework or library for other developers, the secure way? [closed]
...he source code.
Check out these articles (I've successfully used the first one to create frameworks in the past -- the later articles are updates to the original):
http://www.drobnik.com/touch/2010/04/making-your-own-iphone-frameworks/
http://www.drobnik.com/touch/2010/05/making-your-own-iphone-fram...
Is it true that one should not use NSLog() on production code?
... to define your own logging function with better functionality. Here's the one I use, it includes the file name and line number to make it easier to track down log statements.
#define DEBUG_MODE
#ifdef DEBUG_MODE
#define DebugLog( s, ... ) NSLog( @"<%p %@:(%d)> %@", self, [[NSString stri...
Using git repository as a database backend
...ve to maintain state for all of them. There are several approaches to this one, but all of them are either too hard on resources or too complex to implement (and thus kind of kill the original purpose of offloading all the hard implementation stuff to git in the first place):
"Blunt" approach: 1 u...
Looping over arrays, printing both index and value
...e), so:
for i in "${!foo[@]}"; do
printf "%s\t%s\n" "$i" "${foo[$i]}"
done
Which means that indices will be in $i while the elements themselves have to be accessed via ${foo[$i]}
share
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impro...
How do I find out which DOM element has the focus?
...crolldivs', 0 or 1 of those divs is scrollable by arrow keys. If you click one, that div is focused. If you click outside all, the body is focused. How do you find out which scrolldiv is focused? jsfiddle.net/rudiedirkx/bC5ke/show (check console)
– Rudie
Oct 22...
Move assignment operator and `if (this != &rhs)`
..., other.mArray + mSize, mArray);
}
return *this;
}
Explanation:
One of the more expensive things you can do on modern hardware is make a trip to the heap. Anything you can do to avoid a trip to the heap is time & effort well spent. Clients of dumb_array may well want to often assign...