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What is the easiest way to duplicate an activerecord record?
...initely DO NOT use clone. As other posters have mentioned the clone method now delegates to using Kernel#clone which will copy the id. Use ActiveRecord::Base#dup from now on
– bradgonesurfing
Aug 5 '11 at 13:57
...
What is 'Context' on Android?
...does all the work in the company which involves such as database, UI
etc.
Now the CEO Hires a new Developer.
It is the Architect who tells the responsibility of the newly hired
person based on the skills of the new person that whether he will
work on Database or UI etc.
Simpler terms (example 2)...
Why should I avoid std::enable_if in function signatures
...f in function template parameters causes problems for overloading, because now the function signature aren't unique causing ambiguous overloading errors.
– Paul Fultz II
Mar 3 '13 at 17:05
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
...here the version number was higher than the copy you're working with right now. In either case, either:
uninstall the currently installed copy
or open up your phone's Settings > Application Manager to determine the version number for the installed app, and increment your <manifest android:v...
Setting property 'source' to 'org.eclipse.jst.jee.server:JSFTut' did not find a matching property
...ans that the <Context> element in Tomcat's server.xml contains an unknown attribute source and that Tomcat doesn't know what to do with this attribute and therefore will ignore it.
Eclipse WTP adds a custom attribute source to the project related <Context> element in the server.xml of T...
Swift native base class or NSObject
...hich extent runtime introspection will be added to the language, I do not know. Method interception will likely become only possible if the method explicitly allows it. This is my guess, but only the language designers within Apple really know where they are really heading.
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How do I use pagination with Django class based generic ListViews?
... </tr>
{% endfor %}
</table>
{# .... **Now the pagination section** .... #}
{% if is_paginated %}
<div class="pagination">
<span class="page-links">
{% if page_obj.has_previous %}
<a href="...
Running MSBuild fails to read SDKToolsPath
...ols. I've recently upgraded all the project/solution files to VS2010, and now my build fails with the following error:
25 ...
jQuery - Get Width of Element when Not Visible (Display: None)
...ns and also returns the offset values.
/edit1: rewrote the function. it's now smaller and can be called directly on the object
/edit2: the function will now insert the clone just after the original element instead of the body, making it possible for the clone to maintain inherited dimensions.
$.f...
github: No supported authentication methods available
...s that said "import your key", and saw that it worked, but it doesn't work now, see Chapter 9: Using Pageant for authentication.
One last tip if you are on Windows: you may have multiple instances of the PuTTY suite installed by various tools. TortoiseGit, for example, installs its own.
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