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Removing duplicates from a list of lists
...omment, normal optimization efforts are focused on large inputs (the big-O approach) because it's so much easier that it offers good returns on efforts. But sometimes (essentially for "tragically crucial bottlenecks" in deep inner loops of code that's pushing the boundaries of performance limits) on...
RESTful call in Java
...esource");
Builder request = resource.request();
request.accept(MediaType.APPLICATION_JSON);
Response response = request.get();
if (response.getStatusInfo().getFamily() == Family.SUCCESSFUL) {
System.out.println("Success! " + response.getStatus());
System.out.println(response.getEntity())...
Set cache-control for entire S3 bucket automatically (using bucket policies?)
...w how to specify them on put if I upload them myself but unfortunately the app that uploads them cannot set the headers as it uses s3fs to copy the files there.
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What is the best way to paginate results in SQL Server
...n rows 1-19 of the original query. The cool thing here, especially for web apps, is that you don't have to keep any state, except the row numbers to be returned.
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Detecting Unsaved Changes
...have a requirement to implement an "Unsaved Changes" prompt in an ASP .Net application. If a user modifies controls on a web form, and attempts to navigate away before saving, a prompt should appear warning them that they have unsaved changes, and give them the option to cancel and stay on the curr...
Getting output of system() calls in Ruby
...y know if something changed in Ruby 2.0 or 2.1? Edits or comments would be appreciated;-)
– Simon Hürlimann
Jan 18 '14 at 22:12
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How do I find out which DOM element has the focus?
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Any access to document.activeElement should be wrapped in a try catch as under some circumstances it can throw an exception (not just IE9 AFAIK). See bugs.jquery.com/ticket/13393 and bugs.jqueryui.com/ticket/8443
– robocat
Jul 2 '13 at...
What is the difference between & vs @ and = in angularJS
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The links to these appear to have changed, they are now: egghead.io/lessons/angularjs-isolate-scope-attribute-binding , egghead.io/lessons/angularjs-isolate-scope-expression-binding , egghead.io/lessons/angularjs-isolate-scope-two-way-binding ,...
Two versions of python on linux. how to make 2.7 the default
...guess is that /usr/bin/python wasn't actually a symlink before, it was a wrapper script or executable, and now you've overwritten it and can't get it back. If rpm is still working, you can manually download the Python package and install it without yum.
– abarnert
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UTF-8, UTF-16, and UTF-32
...nding of the encodings, I find that the Wikipedia articles are a much more approachable source.
– Adam Rosenfield
Oct 18 '13 at 16:50
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