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boost::flat_map and its performance compared to map and unordered_map
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I have run a benchmark on different data structures very recently at my company so I feel I need to drop a word. It is very complicated to benchmark something correctly.
Benchmarking
On the web we rarely find (if ever) a well-engineered benchmark. Until today I only found benchmarks that wer...
Generating file to download with Django
...mport FileWrapper
# generate the file
response = HttpResponse(FileWrapper(myfile.getvalue()), content_type='application/zip')
response['Content-Disposition'] = 'attachment; filename=myfile.zip'
return response
If you don't want the file on disk you need to use StringIO
import cStringIO as String...
Why is processing a sorted array slower than an unsorted array?
...wasn't hoping that Count or Where would "somehow" pick up on the idea that my data is sorted, and run a binary search instead of a plain "check everything" search. All I was hoping for was some improvement due to the better branch prediction (see the link inside my question), but as it turns out, lo...
Why would adding a method add an ambiguous call, if it wouldn't be involved in the ambiguity
... done. I'll follow up with testing next year.
Thanks for bringing this to my attention. Apologies for the error.
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How do I get the title of the current active window using c#?
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Also, I want my app to be notified every time foreground window will change. Is there any event for that?
– Piotrek
Dec 28 '17 at 14:27
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Getting the names of all files in a directory with PHP
...his becuase I just needed the simple answer and all the relevant files for my use case would be *.*. A more robust expression would make this an even better answer.
– TecBrat
May 24 '17 at 17:08
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How to track down log4net problems
...nside. For example, I've got a console appender and a database appender in my project. I made a few changes to the database and the code, and now the database appender doesn't work anymore. I'll figure out why eventually, but it would help a lot if I could see what's going on inside log4net.
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Set active tab style with AngularJS
...rd')}"
where isActive would be a function in a scope defined like this:
myApp.controller('MyCtrl', function($scope, $location) {
$scope.isActive = function(route) {
return route === $location.path();
}
});
Here is the complete jsFiddle: http://jsfiddle.net/pkozlowski_opensource/...
How can I get System variable value in Java?
...are trying to read is properly set before invoking Java by doing a:
echo %MYENVVAR%
You should see the value of the environment variable. If not, you may need to reopen the shell (DOS) or log off and log back on.
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VBoxManage: error: Failed to create the host-only adapter
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Confirming this works on my Mac. Shutting down other VMs isn't sufficient, but restarting VB works.
– Steve Bennett
Feb 10 '14 at 6:18
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