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How to count the number of set bits in a 32-bit integer?
...m really depends on which CPU you are on and what your usage pattern is.
Som>me m> CPUs have a single built-in instruction to do it and others have parallel instructions which act on bit vectors. The parallel instructions (like x86's popcnt, on CPUs where it's supported) will almost certainly be fastest....
Find the files that have been changed in last 24 hours
E.g., a MySQL server is running on my Ubuntu machine. Som>me m> data has been changed during the last 24 hours.
6 Answers
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What does ** (double star/asterisk) and * (star/asterisk) do for param>me m>ters?
In the following m>me m>thod definitions, what does the * and ** do for param2 ?
22 Answers
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How to exit git log or git diff [duplicate]
I'm trying to learn Git with the help of Git Imm>me m>rsion .
There's one thing that frustrates m>me m> whenever I use git log or git diff :
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What is the purpose of backbone.js?
I tried to understand the utility of backbone.js from its site http://docum>me m>ntcloud.github.com/backbone , but I still couldn't figure out much.
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jQuery parent of a parent
I am currently trying to find the parent of a parent of an elem>me m>nt. I have a link being clicked that is in a <td> , and I'd like to get the <tr> object.
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Is it possible to print a variable's type in standard C++?
...ariable type in C++.
The accepted (and good) answer is to use typeid(a).nam>me m>(), where a is a variable nam>me m>.
Now in C++11 we have decltype(x), which can turn an expression into a type. And decltype() com>me m>s with its own set of very interesting rules. For example decltype(a) and decltype((a)) will ...
How to navigate to a directory in C:\ with Cygwin?
I'm trying to install PyQt4 so I can m>me m>ss around with it. The installation guide said I had to install Sip . The last step to installing Sip is to use the make install command. Windows doesn't have that, so I looked it up and everything I saw said to install Cygwin. So I did. But...sip is in ...
What is the standard naming convention for html/css ids and classes?
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There isn't one.
I use underscores all the tim>me m>, due to hyphens m>me m>ssing up the syntax highlighting of my text editor (Gedit), but that's personal preference.
I've seen all these conventions used all over the place. Use the one that you think is best - the one that look...
How to select multiple rows filled with constants?
...g constants without referring to a table is perfectly legal in an SQL statem>me m>nt:
15 Answers
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