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Change a column type from Date to DateTime during ROR migration
I need to change my column type from date to datetime for an app I am making. I don't care about the data as its still being developed.
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Finding JavaScript memory leaks with Chrome
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I appreciate your effort. Indeed, the three snapshot technique is regularly mentioned in tutorials. Unfortunately, the details are often left out. For instance, I appreciate the introduction of the $0 function in the console, t...
Memcached vs APC which one should I choose? [closed]
...way back when.. I want to get the best caching engine available so that my application is really fast. Of course I don't want to over-cache but I want to at least choose the best thing out there. In that article it says Memcached is slow and apc is fast so why is everyone choosing memcached ?
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UnicodeEncodeError: 'latin-1' codec can't encode character
...behaviour (and a whole bunch of similar cases) -- see whatwg.org/specs/web-apps/current-work/multipage/…
– John Machin
Oct 18 '10 at 23:39
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Does ARC support dispatch queues?
I'm reading apple's documentation about "Memory Management for Dispatch Queues":
2 Answers
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How to make a transparent HTML button?
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For me, I had to apply the property "cursor: pointer" to button:hover. With solely button it did not work.
– Spixmaster
Aug 14 at 9:58
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What is the difference between service, directive and module?
... other modules giving you a high level of reuse.
When writing an angular app, you would have a top-level module which is your application code (without templates).
Services are mainly a way to communicate between controllers, but you can inject one service into another. Services are often used as...
How do I Disable the swipe gesture of UIPageViewController?
...l move between view controllers on demand.
The above can be deduced from Apple's documentation of UIPageViewController (Overview, second paragraph):
To support gesture-based navigation, you must provide your view controllers using a data source object.
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Is Java really slow?
...ages (if they use standard libraries).
There is no excuse for "slow" Java applications now. Developers and legacy code/libraries are to blame, far more than the language. Also, blame anything 'enterprise.'
In fairness to the "Java is slow" crowd, here are areas where it is still slow (updated for ...
Callback when CSS3 transition finishes
...t be handy for, here is a jQuery dependent function I had success with for applying a CSS animation via a CSS class, then getting a callback from afterwards. It may not work perfectly since I had it being used in a Backbone.js App, but maybe useful.
var cssAnimate = function(cssClass, callback) {
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