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How do I clear the std::queue efficiently?
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A common idiom for clearing standard containers is swapping with an empty version of the container:
void clear( std::queue<int> &q )
{
std::queue<int> empty;
std::swap( q, empty );
}
It is also the only way of actually clearing th...
How to count number of files in each directory?
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Assuming you have GNU find, let it find the directories and let bash do the rest:
find . -type d -print0 | while read -d '' -r dir; do
files=("$dir"/*)
printf "%5d files in directory %s\n" "${#files[@]}" "$dir"
done
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JavaScript pattern for multiple constructors
...ors.
If you want a function to behave differently depending on the number and types of parameters you pass to it, you'll have to sniff them manually. JavaScript will happily call a function with more or fewer than the declared number of arguments.
function foo(a, b) {
if (b===undefined) // par...
USB Debugging option greyed out
I have an LG-E405 phone running Android 2.3.6.
15 Answers
15
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What is the purpose of Verifiable() in Moq?
...ck.Verify().
The OP's clarification makes it clear that this was the goal and the only problem was figuring out why it wasn't working, but as @Liam prodded, the answer should really touch on this too:- The key use cases as far as I can see are:
maintaining DRYness between a mock.Setup() and mock....
How to cancel a local git commit
...e changed a file eg: README, added a new line ' this for my testing line ' and saved the file, then I issued the following commands
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
Tools such as MRTG provide network throughput / bandwidth graphs for the current network utilisation on specific interfaces, such as eth0. How can I return that information at the command line on Linux/UNIX?
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Parse usable Street Address, City, State, Zip from a string [closed]
...s in a normalized table. I need to do this for approximately 4,000 records and it needs to be repeatable.
24 Answers
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Limitations of SQL Server Express
...ged dedicated server with SQL Server Web version () installed. My company handles web development, and has about 20+ clients using ASP.Net + SQL Server 2005.
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Disabling swap files creation in vim
...es creation in vim? or at least create them all in one place so I can find and delete them easily.
10 Answers
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