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How do I convert a Ruby class name to a underscore-delimited symbol?
...hich is likely the case. Advantages:
easier to understand your code
your app will still work even in the (unlikely) event that Rails decides to change a naming convention.
BTW, human has the advantage of being I18N aware.
...
How to check if a file exists in Documents folder?
I have an application with In-App Purchase, that when the user buy something, download one html file into the Documents folder of my app.
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Bulk insert with SQLAlchemy ORM
...
You also need s.commit() to actually save the records (it took me a bit to figure this one out).
– horcle_buzz
Dec 4 '15 at 1:30
3
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Xcode 'Build and Archive' menu item disabled
...
All you need to do is create an Executable File in your project folder... If you start with a fresh project there are NO executable projects, only what you create, be it a .cpp or a .m you need an executable in the folder.
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How to disable / enable dialog negative positive buttons?
...ng any text that the user has already typed in. If you don't want that to happen you need to dismiss the fragment in your activity's onStop. The newInstance method signature can be changed to whatever you need.
import android.app.Activity;
import android.app.Dialog;
import android.app.DialogFragmen...
AngularJS ng-style with a conditional expression
...e'.
If $scope.zoom == 2, the font-size will be 26px.
angular.module('app',[]);
function MyCtrl($scope) {
$scope.color = 'blueish';
$scope.zoom = 2;
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.1/angular.min.js"></script>
<div ng-app="app" ng-contr...
Accessing Session Using ASP.NET Web API
...ed bonus that we can fetch the base URL in javascript for making the AJAX calls:
_Layout.cshtml
<body>
@RenderBody()
<script type="text/javascript">
var apiBaseUrl = '@Url.Content(ProjectNameSpace.WebApiConfig.UrlPrefixRelative)';
</script>
@RenderSectio...
Force IE compatibility mode off using tags
I am doing work for a client who forces compatibility mode on all intranet sites. I was wondering if there is a tag I can put into my HTML that forces compatibility mode off.
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qmake: could not find a Qt installation of ''
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sudo apt-get install qt5-default works for me.
$ aptitude show qt5-default
tells that
This package sets Qt 5 to be the default Qt version to be used when using
development binaries like qmake. It provides a default configuration for
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Is the C# static constructor thread safe?
... {
mutex.WaitOne();
return instance;
}
// Each call to Acquire() requires a call to Release()
public static void Release()
{
mutex.ReleaseMutex();
}
}
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