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Why are joins bad when considering scalability?
...ndexes without even doing any in-depth data analysis to determine the best mix for leftmost prefix matching.
– Duncan
Apr 12 '10 at 22:12
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Using Custom Domains With IIS Express
Traditionally I use custom domains with my localhost development server. Something along the lines of:
14 Answers
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Should I always use a parallel stream when possible?
With Java 8 and lambdas it's easy to iterate over collections as streams, and just as easy to use a parallel stream. Two examples from the docs , the second one using parallelStream:
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Using getopts to process long and short command line options
...e foo.txt or --file=foo.txt style, use either the -m 4096 or -m4096 style, mix options and non-options in any order, etc. getopt also outputs an error message if unrecognized or ambiguous options are found.
NOTE: There are actually two totally different versions of getopt, basic getopt and GNU get...
The new syntax “= default” in C++11
... such a simple type as T (especially once we toss move operations into the mix). We can't rely on an empty body meaning "fill in the defaults" because the empty body is already perfectly valid and has a clear meaning. In fact, if the empty body were used to denote "fill in the defaults" then there...
“Thinking in AngularJS” if I have a jQuery background? [closed]
... like this:
<ul class="messages" id="log">
</ul>
Apart from mixing concerns, we also have the same problems of signifying intent that I mentioned before. But more importantly, we had to manually reference and update a DOM node. And if we want to delete a log entry, we have to code aga...
Analyze audio using Fast Fourier Transform
... show the frequency content of the entire audio signal as a whole. You are mixing the stereo audio into mono audio and showing the combined frequencies. If you want two separate displays for right and left frequencies, then you will need to perform the Fourier Transform on each channel separately.
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Is it possible to make relative link to image in a markdown file in a gist?
...img.png
is that the b75d2...6e8 part varies per file (a quick experimentation confirms it is the git blob id). However you can drop that part resulting in a URL pointing to the latest version:
https://gist.github.com/user/605560c2961cb3025038/raw/img.png
or to take a working example:
https://g...
Install a .NET windows service without InstallUtil.exe
...viceInstaller
{
public MyServiceInstaller()
{
this.Description = "Service Description";
this.DisplayName = "Service Name";
this.ServiceName = "ServiceName";
this.StartType = System.ServiceProcess.ServiceStartMode.Automatic;
}
}
static void Install(bool un...
When should I use mmap for file access?
... calls open() , read() , write() , and friends, but there's also the option of using mmap() to map the file into virtual memory.
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