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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 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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Cannot refer to a non-final variable inside an inner class defined in a different method
...TheSoul points out.
This is why it doesn't work:
The variables lastPrice and price are local variables in the main() method. The object that you create with the anonymous class might last until after the main() method returns.
When the main() method returns, local variables (such as lastPrice and...
How to check SQL Server version
...ways to see the version:
Method 1: Connect to the instance of SQL Server, and then run the following query:
Select @@version
An example of the output of this query is as follows:
Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (X64) Mar 29 2009
10:11:52 Copyright (c) 1988-2008 Microsoft Corp...
Does JavaScript have “Short-circuit” evaluation?
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So short circuit it is the standard in JS?
– GibboK
Sep 23 '12 at 17:42
1
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Build a simple HTTP server in C [closed]
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Or use inetd and skip the networking part.
– jrockway
Dec 30 '09 at 7:21
22
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Replacements for switch statement in Python?
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What if 'a' and 'b' match 1, and 'c' and 'd' match 2?
– John Mee
Apr 9 '10 at 7:57
14
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Looping through array and removing items, without breaking for loop
I have the following for loop, and when I use splice() to remove an item, I then get that 'seconds' is undefined. I could check if it's undefined, but I feel there's probably a more elegant way to do this. The desire is to simply delete an item and keep on going.
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How to install python3 version of package via pip on Ubuntu?
I have both python2.7 and python3.2 installed in Ubuntu 12.04 .
The symbolic link python links to python2.7 .
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