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Rounding up to next power of 2
...bit value:
Round up to the next highest power of 2
unsigned int v; // compute the next highest power of 2 of 32-bit v
v--;
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
v |= v >> 16;
v++;
The extension to other widths should be obvious.
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Use space as a delimiter with cut command
I want to use space as a delimiter with the cut command.
8 Answers
8
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Long list of if statements in Java
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using Command pattern:
public interface Command {
void exec();
}
public class CommandA() implements Command {
void exec() {
// ...
}
}
// etc etc
then build a Map<String,Command> object and pop...
How can I remove a commit on GitHub? [duplicate]
I "accidentally" pushed a commit to GitHub.
21 Answers
21
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Python os.path.join on Windows
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Sorry, line breaks weren't kept in comment, it looks very messy
– Frank E.
Mar 11 '10 at 6:12
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How to find out if an item is present in a std::vector?
... no, it should not be a member. See also en.wikipedia.org/wiki/Coupling_%28computer_programming%29
– Sebastian Mach
Feb 4 '13 at 13:54
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Why do we need break after case statements?
Why doesn't the compiler automatically put break statements after each code block in the switch? Is it for historical reasons? When would you want multiple code blocks to execute?
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MySQL select 10 random rows from 600K rows fast
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355
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Converting String to Int with Swift
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338
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How can I get the corresponding table header (th) from a table cell (td)?
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