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Hidden features of Android development?
...Android that will definitely make your life easier and your apps better.
All the source code for the platform and all the non-Google native apps is available for you to browse, download, borrow, or steal from the Android Open Source project.
Using the resources framework, creating localized versio...
Nodejs - Redirect url
...'/login') merely sends the login.html content in the response of the ajax call made. How do I rather open the page?
– Tarun
Oct 24 '16 at 20:03
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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
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add_column :status, :string, :default => "P"
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OR
You can use a callback, before_save
class Task < ActiveRecord::Base
before_save :default_values
def default_values
self.status ||= 'P' # note self.status = 'P' if self.status.nil? might be safer (per @frontendbeauty)
end
end
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Android emulator-5554 offline
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In such a case, you can do all of the following in order to be assured that your emulator starts working again :
Go to cmd and type adb kill-server
Go to task manager and find adb in processes. If you find one, right click on it and click on end proc...
Intermittent log4net RollingFileAppender locked file issue
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Try adding
<lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
to your <appender /> element. There is some performance impact because this means that log4net will lock the file, write to it, and unlock it for each write operation (as opposed to the default behavior,...
How to create has_and_belongs_to_many associations in Factory girl
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Thank you, most neat of all solutions.
– Mik
May 29 '12 at 19:14
Th...
What is the difference between and ?
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I really don't know what you mean. “In the site”: which site? “…to make it work”: what does ‘work’ mean? What's the intended rendering?
– Marcel Korpel
Jul 30 '10 at 11:19
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jQuery’s .bind() vs. .on()
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Internally, .bind maps directly to .on in the current version of jQuery. (The same goes for .live.) So there is a tiny but practically insignificant performance hit if you use .bind instead.
However, .bind may be removed from futu...
What is the difference between a var and val definition in Scala?
... can, then, go the other direction. If val is that better, why have var at all? Well, some languages did take that route, but there are situations in which mutability improves performance, a lot.
For example, take an immutable Queue. When you either enqueue or dequeue things in it, you get a new Qu...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
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As comment below says, you can usually see the hung process in Activity Monitor and kill it there.
– mxcl
Sep 5 '10 at 18:29
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