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Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
...ts origin at the point within the bounds rectangle of its superview.
The outermost view of your view hierarchy has it's origin at 0,0 which corresponds to the top left of the screen in iOS.
If you add a subview at 20,30 to this view, then a point at 0,0 in the subview corresponds to a point at 2...
Reading from text file until EOF repeats last line [duplicate]
... stream and you get EOF. x remains 30 and the ios::eofbit is raised. You output to stderr x (which is 30, just like in the previous iteration). Next you check for EOF in the loop condition, and this time you're out of the loop.
Try this:
while (true) {
int x;
iFile >> x;
if( i...
Difference between java.io.PrintWriter and java.io.BufferedWriter?
...tially use a PrintWriter to write to a file just like you would use System.out to write to the console.
A BufferedWriter is an efficient way to write to a file (or anything else), as it will buffer the characters in Java memory before (probably, depending on the implementation) dropping to C to do ...
Meaning of tilde in Linux bash (not home directory)
...ll get different behavior with csh, for example.
To answer your question about where the information comes from: your home directory comes from the variable $HOME (no matter what you store there), while other user's homes are retrieved real-time using getpwent(). This function is usually controlled ...
How to shorten my conditional statements
...indexOf returns its index. If the item was not found, it'll return -1. Without getting into too much detail, the ~ is a bitwise NOT operator, which will return 0 only for -1.
I like using the ~ shortcut, since it's more succinct than doing a comparison on the return value. I wish JavaScript would h...
Pythonic way to print list items
...Python 2.x you will need iteration of some kind, regarding your question about print(p) for p in myList not working, you can just use the following which does the same thing and is still one line:
for p in myList: print p
For a solution that uses '\n'.join(), I prefer list comprehensions and gene...
Selecting pandas column by location
.../… on how to select by position using iloc/iat.
– Wouter Overmeire
Apr 12 '13 at 10:04
1
The ab...
Git - What is the difference between push.default “matching” and “simple”
... I liked the push.default current from @UpAndAdam answer. Does not knew about it.
– alanjds
Jan 17 '15 at 16:40
4
...
grid controls for ASP.NET MVC? [closed]
... Stack Exchange Data Explorer (example containing 2000 rows).
I found it outperforms jqGrid and flexigrid. It has a very complete feature set and I could not recommend it enough.
Samples of its usage are here.
You can see source samples on how it is integrated to an ASP.NET MVC app here: https:...
What does “async: false” do in jQuery.ajax()?
...re/trigger any events happening while ajax is being executed. I found this out the hard way, trying to figure out why Firefox was not triggering a click event. It turned out to be because of a "forced" blur event with a following sync call blocking it.
– PålOliver
...