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How can I overwrite a getter method in an ActiveRecord model?
...o overwrite a getter method for an ActiveRecord model. I have an attribute called name in the model Category , and I'd like to be able to do something like this:
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How to list all users in a Linux group?
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@JohnMcGehee RHEL should have been called AustereLinux
– goelakash
Sep 7 '16 at 8:31
1
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Can I run HTML files directly from GitHub, instead of just viewing their source?
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There is a new tool called GitHub HTML Preview, which does exactly what you want. Just prepend http://htmlpreview.github.com/? to the URL of any HTML file, e.g. http://htmlpreview.github.com/?https://github.com/twbs/bootstrap/blob/gh-pages/2.3.2...
How to calculate a time difference in C++
...eful: This won't work if the user changes his time between Timer() and the call to elapsed() if !std::chrono::high_resolution_clock::is_steady - which is the case on Linux!
– jhasse
Feb 9 '18 at 12:33
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ActionBar text color
...el < 11, ActionBarSherlock and you'd like to save yourself an expensive call to getIndentifier(), you can look in (TextView) findViewById(com.actionbarsherlock.R.id.abs__action_bar_title); first (be sure to check if it's not null).
– Andre
Apr 22 '13 at 8:36...
The relationship could not be changed because one or more of the foreign-key properties is non-nulla
...any parent in the database (due to the foreign key constraint). That's basically what the exception says.
Edit
What I would do if child items could be added, updated and deleted:
public void UpdateEntity(ParentItem parent)
{
// Load original parent including the child item collection
var...
Can I scroll a ScrollView programmatically in Android?
Is there any way to scroll a ScrollView programmatically to a certain position?
18 Answers
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$.ajax - dataType
...t is default, i mean im going manual, and rebuilding the object after each call, but in resetting, im having problems. if i set it to 'json' as default, in no way will that complement the intelligent guess, but it works to a certain extent, until it gets to the call where i havent specified(that is...
Convert XML String to Object
... 2, works like a charm. Great when trying to simply parse a XML programmatically without having to implement boring classes.
– Alex
Nov 2 '16 at 22:58
1
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Is there a cross-browser onload event when clicking the back button?
... and Opera, but not Chrome) support the special "back/forward" cache (I'll call it bfcache, which is a term invented by Mozilla), involved when the user navigates Back. Unlike the regular (HTTP) cache, it captures the complete state of the page (including the state of JS, DOM). This allows it to re-...