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How to find which rspec test is taking so long
... a text-based progress bar with profiling of 10 slowest examples. For more details see this.
rspec --profile -- path/to/file/spec.rb
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Does JavaScript guarantee object property order?
...at backwards-compatibility mindset, see http://code.google.com/p/v8/issues/detail?id=164, a Chrome bug that covers in detail the design decisions behind Chrome's iteration order behavior.
Per one of the (rather opinionated) comments on that bug report:
Standards always follow implementations, th...
What’s the difference between ScalaTest and Scala Specs unit test frameworks?
...an specs (you can visit each bullet point on the quick start page to get a detailed view on each style)
ScalaTest and specs have a different set of matchers. You can compare them here for ScalaTest and here for specs. On that side of things, specs has a lot of small features that you may like when w...
Android Fragments and animation
...();
ft.setCustomAnimations(R.anim.slide_in_left, R.anim.slide_out_right);
DetailsFragment newFragment = DetailsFragment.newInstance();
ft.replace(R.id.details_fragment_container, newFragment, "detailFragment");
// Start the animated transition.
ft.commit();
To achieve the same thing with hiding...
Releasing memory in Python
...tom memory allocator on top of malloc. (See the source comments for a more detailed explanation.) And on top of that, even at the C API level, much less Python, you don't even directly control when the top-level objects are deallocated.
So, when you release an object, how do you know whether it's g...
Inject errors into already validated form?
...
You can add additional error details to the form's _errors attribute directly:
https://docs.djangoproject.com/en/1.5/ref/forms/validation/#described-later
https://docs.djangoproject.com/en/1.6/ref/forms/validation/#modifying-field-errors
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jQuery duplicate DIV into another DIV
...ton>
</div>
</body>
</html>
For more detail and demo
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MySQL with Node.js
...js which is the official Node.js driver for MySQL.
See ref-1 and ref-2 for detailed explanation.
I have tried mysqljs/mysql which is available here, but I don't find detailed documentation on classes, methods, properties of this library.
So I switched to the standard MySQL Connector/Node.js with X ...
How to count items in a Go map?
...ounting map elements. The original author was Simone Carletti. Attribution details can be found on the contributor page. The source is licenced under CC BY-SA 3.0 and may be found in the Documentation archive. Reference topic ID: 732 and example ID: 2528.
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getting the last item in a javascript object
...ted debate has been raging about this subject: code.google.com/p/v8/issues/detail?id=164
– Tim Down
Nov 30 '10 at 23:09
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