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Is there a way to get a collection of all the Models in your Rails app?
...ld) idea would be to use Ruby reflection to search for every classes that extends ActiveRecord::Base. Don't know how you can list all the classes though...
EDIT: Just for fun, I found a way to list all classes
Module.constants.select { |c| (eval c).is_a? Class }
EDIT: Finally succeeded in listin...
Positioning MKMapView to show multiple annotations at once
...ude, annotation.coordinate.longitude);
topLeftCoord.latitude = fmax(topLeftCoord.latitude, annotation.coordinate.latitude);
bottomRightCoord.longitude = fmax(bottomRightCoord.longitude, annotation.coordinate.longitude);
bottomRightCoord.latitude = fmin(bottomRightCoord.lat...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
REDHAT 6.4 X64下ORACLE 11GR2静默安装前言在某些情况下，我们不具备桌面条件，只能在命令行窗口下安装oracle第一REDHAT6.4安装1.2虚拟机安装REDHAT名称随便自己起我没有外部存储...前言
在某些情况下，我们不具备桌面条件，只能在命...
Can't start hostednetwork
...ers -> right click button on the virtual connection -> disable
To fix that go to Device Manager (Windows-key + x + m on windows 8, Windows-key + x then m on windows 10), then open the network adapters tree , right click button on Microsoft Hosted Network Virtual Adapter and click on enabl...
How do I reference a specific issue comment on github?
...my readme. But I can't find any information on how to do that ( here for example). I know that it's possible to link to issues, but is it possible to link to specific comments in that issue?
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In JavaScript can I make a “click” event fire programmatically for a file input element?
...any browser that supports this, and then implemented another way for Firefox and those browsers that do not.
I don't know why you cannot do it, but one thing that is a security risk, and which you are not allowed to do in any browser, is programmatically set the file name on the HTML File element.
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Will GetType() return the most derived type when called from the base class?
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Ah ha.. the difference is using TypeOf(X) vs. x.GetType() i think
– user359135
Jul 20 '18 at 11:19
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How do I map lists of nested objects with Dapper
...es not handle magic generation of queries and such.
For your particular example the following would probably work:
Grab the courses:
var courses = cnn.Query<Course>("select * from Courses where Category = 1 Order by CreationDate");
Grab the relevant mapping:
var mappings = cnn.Query<...
How do I put a clear button inside my HTML text input box like the iPhone does?
I want to have a nice little icon that, when clicked will clear the text in the box.
9 Answers
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Node.js quick file server (static files over HTTP)
...here Node.js ready-to-use tool (installed with npm ), that would help me expose folder content as file server over HTTP.
3...