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Disable ActiveRecord for Rails 4
... I created an application with rails new my_app -O a month ago. Now I want the active record back. What are files/gems/configuration I need to add now?
– Jak
Mar 25 '15 at 20:09
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Does adding a duplicate value to a HashSet/HashMap replace the previous value
...
ah I get it now. I understood that the key is the element of the Set, but just realized that put() will only override the value, not the key. In this case, it's the same value put alongside the key again, which may or may not be better t...
Generate C# class from XML
... tried it and my hair turned white just like the Indiana Jones movie.
But now I use http://xmltocsharp.azurewebsites.net/ and now I'm as young as ever.
Here's a segment of what it generated:
namespace Xml2CSharp
{
[XmlRoot(ElementName="entry")]
public class Entry {
[XmlElement(Ele...
Xcode is not currently available from the Software Update server
...hat the command line tools which have already been installed by Xcode5 are now findable by xcode-select. After following this advice I was able to successfully install homebrew, which had been failing.
– Peter Gluck
Jun 16 '14 at 6:24
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JSLint is suddenly reporting: Use the function form of “use strict”
... FYI: The globalstrict option in JSHint has changed. Try strict: 'global' now, and see jshint.com/docs/options/#globalstrict
– Hovis Biddle
Jan 29 '16 at 10:05
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How to check if object has any properties in JavaScript?
...ave any way to create non-enumerable properties.
However this has changed now with ECMAScript 5th Edition, and we are able to create non-enumerable, non-writable or non-deletable properties, so the above method can fail, e.g.:
var obj = {};
Object.defineProperty(obj, 'test', { value: 'testVal',
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How to convert jsonString to JSONObject in Java
...batron Thanks dude you are right i have just downloaded it and make jar so now its working fine.
– Mr. Sajid Shaikh
Mar 10 '11 at 5:45
3
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Android Activity as a dialog
I have an Activity named whereActity which has child dialogs as well. Now, I want to display this activity as a dialog for another activity.
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The import org.junit cannot be resolved
... I added JUnit 4 via Properties -> Java Build Path, but every now and then Eclipse still shows me this error, though running the tests is possible without problems. Restarting Eclipse resolves the problem - for a while. Any explanation for this?
– Thomas W
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Error-Handling in Swift-Language
...ry? summonDefaultDragon() else { ... }
Finally, you can decide that you know that error will not actually occur (e.g. because you have already checked are prerequisites) and use try! keyword:
let dragon = try! summonDefaultDragon()
If the function actually throws an error, then you'll get a run...