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What is the purpose of setting a key in data.table?
...ly use on= argument now to perform binary subsets rather than setting key. Read more from the new HTML vignettes. And keep an eye on that page for vignettes for joins.
– Arun
Dec 16 '15 at 11:11
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How to display a confirmation dialog when clicking an link?
...e a library like jQuery that will help with cross-browser issues). You can read more about this advanced event handling method on MDN.
jQuery
I'd like to stay far away from being considered a jQuery fanboy, but DOM manipulation and event handling are two areas where it helps the most with browser ...
How to implement a rule engine?
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Where can I read more about your answer to learn the classes/objects/etc. you have in your in your code? It is mostly expression trees?
– Blankman
Jul 5 '11 at 0:15
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What are the differences between django-tastypie and djangorestframework? [closed]
...its you more.
Obviously, there's also the 'Why TastyPie?' section in it's README, and the 'REST framework 3'.
See also Daniel Greenfeld's blog post on Choosing an API framework for Django, from May 2012 (Worth noting that this was still a few months before the big REST framework 2.0 release).
Als...
Is 'switch' faster than 'if'?
...se; and memory bandwidth is a Big Deal on modern hardware.
Write code for readability. Any compiler worth its salt is going to see an if / else if ladder and transform it into equivalent switch or vice versa if it would be faster to do so.
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Best way to store JSON in an HTML attribute?
... it into the HTML attribute? And then how do I decode that when I want to read it in jQuery? And then how do I write it back in using jQuery in the same way that it was in PHP?
– BadHorsie
Sep 6 '11 at 16:01
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How to set cursor position in EditText?
... I remember correctly, when an EditText requests focus, the cursor is set. Read this
– Reno
Nov 8 '11 at 6:51
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How to delete all records from table in sqlite with Android?
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String selectQuery = "DELETE FROM table_name ";
Cursor cursor = data1.getReadableDatabase().rawQuery(selectQuery, null);
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Loop code for each file in a directory [duplicate]
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@Zero3, the variable is used for readability only. PHP will always work with a copy of the array in any foreach loop, which means that scandir() will be called only once. (And since PHP uses copy-on-write you won't get any performance problems with this "cop...
Android - print full exception backtrace to log
...nd of code caused this exception in the second parameter. The message is already included in the output anyway.
– EboMike
Mar 16 '14 at 0:40
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