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How to make an Android device vibrate?
...e '-1' here means to vibrate once, as '-1' is out of bounds in the pattern array
v.vibrate(pattern, -1);
More Complex Vibrations
There are multiple SDKs that offer a more comprehensive range of haptic feedback. One that I use for special effects is Immersion's Haptic Development Platform for Andr...
How to split a long regular expression into multiple lines in JavaScript?
...egExp is a great way for multiline regular expressions. Instead of joining arrays, you can just use a string concatenation operator: var reg = new RegExp('^([a-' + 'z]+)$','i');
– dakab
Apr 22 '14 at 12:29
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How to improve performance of ngRepeat over a huge dataset (angular.js)?
...it limitTo will be applied to ng-repeat scope, so the result will be a new array which will be passed to ng-repeat, your data array still the same and you can still search all content.
– Bertrand
Aug 4 '15 at 10:15
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PostgreSQL: Difference between text and varchar (character varying)
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There is no difference, under the hood it's all varlena (variable length array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing wi...
Convert Enumeration to a Set/List
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How about this: Collections.list(Enumeration e) returns an ArrayList<T>
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How can I convert an Integer to localized month name in Java?
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Do you not need 'month-1', since the array is zero based ? atomsfat wants 1 -> January etc.
– Brian Agnew
Jun 24 '09 at 14:04
7
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Alternate FizzBuzz Questions [closed]
...es, because in Ruby it's as easy as pushing the numbers (in order) into an array, then reversing the entire array. ideone.com/MKKb6
– Kerrick
May 23 '12 at 2:31
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How to get file_get_contents() to work with HTTPS?
...xtension_loaded ('openssl') ? 'yes':'no', "\n";
echo 'http wrapper: ', in_array('http', $w) ? 'yes':'no', "\n";
echo 'https wrapper: ', in_array('https', $w) ? 'yes':'no', "\n";
echo 'wrappers: ', var_export($w);
the output should be something like
openssl: yes
http wrapper: yes
https wrapper: y...
How do I perform the SQL Join equivalent in MongoDB?
...eld from the documents of the "from" collection>,
as: <output array field>
}
}
Of course Mongo is not a relational database, and the devs are being careful to recommend specific use cases for $lookup, but at least as of 3.2 doing join is now possible with MongoDB.
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Text Editor which shows \r\n? [closed]
...p PHP
php -q
<?php $t=file_get_contents("filename"); echo str_replace(array("\n", "\r"), array("\\n", "\\r"), $t); ?>
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