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When to use volatile with multi threading?
...lity or restrictions to what volatile does. For example, in MSVC 2010 (at least) Acquire and Release semantics do apply to certain operations on volatile variables. From the MSDN:
When optimizing, the compiler must maintain ordering among references
to volatile objects as well as references ...
Why is good UI design so hard for some Developers? [closed]
... There are people out there who focus on UI design.
Learn about design. At least a little bit. Try to learn a few of the design concepts and techniques from the long list below. If you are more ambitious, read some books, attend a conference, take a class, get a degree. There are lot of ways to lear...
Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
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Well, that solved the problem for me at least. How did you figure it out?
– SlackOverflow
Jan 12 '14 at 18:06
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Choice between vector::resize() and vector::reserve()
...nt you request by reserve, the specification only requires it allocates at least that much, so some implementations may round up to some boundary and thus show higher capacity than 1000.
– Jan Hudec
Sep 13 '11 at 8:49
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Is Java Regex Thread Safe?
...r hand, you shouldn't share
a Matcher between different threads.
Or at least, if you ever did, you
should use explicit synchronization.
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Knight's Shortest Path on Chessboard
...ny of the 24 points in the set S3 (defined similarly) to (x,y) requires at least two moves.
Therefore, if |x1-x0|>4 or |y1-y0|>4, the shortest path from (x0,y0) to (x1,y1) is exactly two moves greater than the shortest path from (x0,y0) to S4. And the latter problem can be solved quickly with...
Is ASCII code 7-bit or 8-bit?
...I", or even "X3.4-1968", intending to include the national variants, or at least not clearly ruling it out, leading to arguments. Therefore, I personally would use Unicode as the normative reference for ASCII if I had to write a spec where it mattered. That's all I meant.
– zw...
Indenting #defines
...aining no new-line characters) or that
follows white space containing at least one new-line character, and is ended by the next
new-line character.
The only possible dispute is the parenthetical expression '(at the start of translation phase 4)', which could mean that the comments before the h...
Why do we need virtual functions in C++?
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@mike - "The term "late binding" dates back to at least the 1960s, where it can be found in Communications of the ACM.". Wouldn't it be nice if there was one correct word for each concept? Unfortunately, it just ain't so. The terms "early binding" and "late binding" predate ...
Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?
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AutoLayout requires at least iOS 6.0. If you want to support iOS 5.0 you couldn't use AutoLayout.
And those deltas are used to help you adjust the view position on different iOS version(mainly iOS 7 and iOS version lower than 7).
I use those valu...