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How to round a number to n decimal places in Java
...ing. I'm surprised Chris Cudmore would even say what he said to be honest. allocating objects is always more expensive than casting primitives and using static methods (Math.round() as opposed to decimalFormat.format()).
– Andi Jay
Jul 10 '12 at 14:35
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How many threads can a Java VM support?
...eat: my machine does not have 2583 GB of RAM. Or swap. And the JVM doesn't allocate thread-local heap space. So that can't be it...
– benjismith
Apr 18 '09 at 20:37
49
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Mipmap drawables for icons
...n.
*
* Note that if the renderer respects this hint it might have to
* allocate extra memory to hold the mipmap levels for this bitmap.
*
* This property is only a suggestion that can be ignored by the
* renderer. It is not guaranteed to have any effect.
*
* @param hasMipMap indicates wheth...
How do I iterate over a range of numbers defined by variables in Bash?
...done
seems to be the most memory-efficient way (it won't be necessary to allocate memory to consume seq's output, which could be a problem if END is very large), although probably not the “fastest”.
the initial question
eschercycle noted that the {a..b} Bash notation works only with literals...
How to disable/enable the sleep mode programmatically in iOS?
...nd of a countdown but it will go into 'sleep mode' whenever it reaches the allocated time to sleep.
4 Answers
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How does a “stack overflow” occur and how do you prevent it?
...certainly result in a stack overflow. In C#, it won't because the array is allocated on the heap and not on the stack.See this question for an example of this being hit in practice: stackoverflow.com/questions/571945/…
– Matt Dillard
Feb 11 '19 at 14:23
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
...itely the disk space. You should make some space in the partition mysql is allocated or make the disk larger.
Check the disk space with
> df -h
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Why are local variables not initialized in Java?
...n, but they aren't related to whether the SomeObject instance was property allocated, then they should go in another try-finally block, probably one that wraps the one I've shown.
Requiring variables to be assigned manually before use does not lead to real problems. It only leads to minor hassles, ...
UITableView with fixed section headers
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Change your TableView Style:
self.tableview = [[UITableView alloc] initwithFrame:frame
style:UITableViewStyleGrouped];
As per apple documentation for UITableView:
UITableViewStylePlain- A plain table view. Any section headers or
footers are displayed as inline separators an...
Getting “bytes.Buffer does not implement io.Writer” error message
...ootstrap [64]byte // memory to hold first slice; helps small buffers avoid allocation.
lastRead readOp // last read operation, so that Unread* can work correctly.
}
using passed by value, the passed new buffer struct is different from the origin buffer variable.
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