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What Automatic Resource Management alternatives exist for Scala?
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For now Scala 2.13 has finally supported: try with resources by using Using :), Example:
val lines: Try[Seq[String]] =
Using(new BufferedReader(new FileReader("file.txt"))) { reader =>
Iterator.unfold(())(_ => Option(reader.re...
Convert Time from one time zone to another in Rails
..._zone method of the DateTime class
Loading development environment (Rails 2.3.2)
>> now = DateTime.now.utc
=> Sun, 06 Sep 2009 22:27:45 +0000
>> now.in_time_zone('Eastern Time (US & Canada)')
=> Sun, 06 Sep 2009 18:27:45 EDT -04:00
>> quit
So for your particular exampl...
Validation of radio button group using jQuery validation plugin
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answered Jul 27 '10 at 21:01
community wiki
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Sort an Array by keys based on another Array?
...dding the keys with data from your actual array:
$customer['address'] = '123 fake st';
$customer['name'] = 'Tim';
$customer['dob'] = '12/08/1986';
$customer['dontSortMe'] = 'this value doesnt need to be sorted';
$properOrderedArray = array_merge(array_flip(array('name', 'dob', 'address')), $custom...
Graphical DIFF programs for linux [closed]
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231
I know of two graphical diff programs: Meld and KDiff3. I haven't used KDiff3, but Meld works ...
Extracting text OpenCV
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+200
You can detect text by finding close edge elements (inspired from a LPD):
#include "opencv2/opencv.hpp"
std::vector<cv::Rect>...
How to make PyCharm always show line numbers
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Version 2.6 and above:
PyCharm (far left menu) -> Preferences... -> Editor (bottom left section) -> General -> Appearance -> Show line numbers checkbox
Version 2.5 and below:
Settings -> Editor -> General ->...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
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How to cancel a Task in await?
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244
Read up on Cancellation (which was introduced in .NET 4.0 and is largely unchanged since then)...