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Linux: is there a read or recv from socket with timeout?
...ET, SO_RCVTIMEO, (const char*)&timeout, sizeof timeout);
// MAC OS X (identical to Linux)
struct timeval tv;
tv.tv_sec = timeout_in_seconds;
tv.tv_usec = 0;
setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (const char*)&tv, sizeof tv);
Reportedly on Windows this should be done before calling b...
When do you use Java's @Override annotation and why?
What are the best practices for using Java's @Override annotation and why?
27 Answers
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Actual meaning of 'shell=True' in subprocess
... of the user's choosing and is platform-dependent. Generally speaking, avoid invocations via the shell.
Invoking via the shell does allow you to expand environment variables and file globs according to the shell's usual mechanism. On POSIX systems, the shell expands file globs to a list of files....
What version of Visual Studio is Python on my computer compiled with?
... = 1400; Visual Studio 2008 has _MSC_VER = 1500.)
The above MSDN link said that 1600 indicates VS2010.
Strangely, I wasn't able to find that info about the earlier _MSC_VER values on MSDN.
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Remove padding or margins from Google Charts
...rsion that removes most of the extra blank space by setting the chartArea.width to 100% and chartArea.height to 80% and moving the legend.position to bottom:
// Set chart options
var options = {'title': 'How Much Pizza I Ate Last Night',
'width': 350,
'height': 400,
...
how to use XPath with XDocument?
There is a similar question, but it seems that the solution didn't work out in my case: Weirdness with XDocument, XPath and namespaces
...
Uninstall old versions of Ruby gems
...ion 1.1.9
If you still facing some exception to install gem, like:
invalid gem: package is corrupt, exception while verifying: undefined method `size' for nil:NilClass (NoMethodError) in /home/rails/.rvm/gems/ruby-2.1.1@project/cache/nokogiri-1.6.6.2.gem
the, you can remove it from cache:
rm /h...
Vim Regex Capture Groups [bau -> byau : ceu -> cyeu]
...h it, too. I'm still skeptical whether using Vim without Ex mode is a good idea, but you could easily build your own search-and-replace dialog (internally powered by :s) via inputdialog() and a bit of Vimscript.
– Ingo Karkat
May 6 '15 at 8:32
...
C# Convert List to Dictionary
...Distinct().ToDictionary(x => x, x => x);
EDIT To comment on the valid reason, I think the only reason that could be valid for conversions like this is that at some point the keys and the values in the resultant dictionary are going to diverge. For example, you would do an initial conversion,...
Should I use an exception specifier in C++?
...ossible to write with exception specifications,
template<class T>
void f( T k )
{
T x( k );
x.x();
}
The copies might throw, the parameter passing might throw, and x() might throw some unknown exception.
Exception-specifications tend to prohibit extensibility.
virtual void open()...