大约有 44,000 项符合查询结果（耗时：0.0528秒） [XML]
Search code inside a Github project
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Update January 2013: a brand new search has arrived!, based on elasticsearch.org:
A search for stat within the ruby repo will be expressed as stat repo:ruby/ruby, and will now just workTM.
(the repo name is not case sensitive: test repo:wordpress/wo...
Generate a random double in a range
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To generate a random value between rangeMin and rangeMax:
Random r = new Random();
double randomValue = rangeMin + (rangeMax - rangeMin) * r.nextDouble();
share
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What are the options for storing hierarchical data in a relational database? [closed]
...in this thread suggested. Use an Adjacency List to maintain the hierarchy and use Nested Sets to query the hierarchy.
The problem up until now has been that the coversion method from an Adjacecy List to Nested Sets has been frightfully slow because most people use the extreme RBAR method known as ...
Why is the String class declared final in Java?
...emented as immutable objects. You should read about immutability to understand more about it.
One advantage of immutable objects is that
You can share duplicates by pointing them to a single instance.
(from here).
If String were not final, you could create a subclass and have two strings tha...
How to send a correct authorization header for basic authentication
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You can include the user and password as part of the URL:
http://user:passwd@www.server.com/index.html
see this URL, for more
HTTP Basic Authentication credentials passed in URL and encryption
of course, you'll need the username password, it's n...
How to convert JSON to a Ruby hash
...'m surprised nobody pointed out JSON's [] method, which makes it very easy and transparent to decode and encode from/to JSON.
If object is string-like, parse the string and return the parsed result as a Ruby data structure. Otherwise generate a JSON text from the Ruby data structure object and r...
PostgreSQL naming conventions
...sitively when not quoted (it actually folds them to lowercase internally), and case sensitively when quoted; many people are not aware of this idiosyncrasy. Using always lowercase you are safe. Anyway, it's acceptable to use camelCase or PascalCase (or UPPER_CASE), as long as you are consistent: eit...
Using Rails 3.1, where do you put your “page specific” JavaScript code?
To my understanding, all of your JavaScript gets merged into 1 file. Rails does this by default when it adds //= require_tree . to the bottom of your application.js manifest file.
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Sample settings.xml for maven
... implied. See the License for the
specific language governing permissions and limitations
under the License.
-->
Main docs and top:
<!--
| This is the configuration file for Maven. It can be specified at two levels:
|
| 1. User Level. This settings.xml file provides configuration for a s...
How to detect the swipe left or Right in Android?
I have an EditText view in android. On this I want to detect swipe left or right. I am able to get it on an empty space using the code below. But this does not work when I swipe on an EditText . How do I do that? Please let me know If I am doing something wrong. Thank you.
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