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Android: Background Image Size (in Pixel) which Support All Devices
...Nov 5 '12 at 9:00
Veerababu MedisettiVeerababu Medisetti
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Insert new column into table in sqlite?
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What is the default value set if we not specify it in existing rows of new column?
– Jacob
Dec 22 '14 at 10:11
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How do you write a migration to rename an ActiveRecord model and its table in Rails?
I'm terrible at naming and realize that there are a better set of names for my models in my Rails app. Is there any way to use a migration to rename a model and its corresponding table?
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How to choose the right bean scope?
...s, then effectively three instances will be created. One with the username set, one with the password set and one on which the action is invoked. You normally want to use this scope only on beans which should live as long as the bean where it's being injected. So if a @NoneScoped or @Dependent is in...
HTML select form with option to enter custom value
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I really wanted to use this but I needed to set a default value. The user only sees the default in the drop down vs. all the options (because they are filtered out). They would need to know to clear the input field before seeing all the options.
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Why is the JVM stack-based and the Dalvik VM register-based?
...tein this is "a general expectation what you could find when you convert a set of class files to dex files".
The relevant part of the presentation video starts at 25:00.
There is also an insightful paper titled "Virtual Machine Showdown: Stack Versus Registers" by Shi et al. (2005), which explores...
Android SDK Manager Not Installing Components
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In my case I had to specify proxy settings in Tools->Options.
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Java: Why is the Date constructor deprecated, and what do I use instead?
... class should be used instead:
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, 1988);
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DAY_OF_MONTH, 1);
Date dateRepresentation = cal.getTime();
Take a look at the date Javadoc:
http://download.oracle.com/javase/6/docs/api...
How do I remove javascript validation from my eclipse project?
I am using eclipse on my project and while messing around with my eclipse settings, I turned on Javascript support. Now eclipse complains that JQuery library has errors in it and is not letting me compile the project. Does anyone know how to turn javascript validation off?
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Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
...ure that an optional will
always have a value, after that value is first set. In these cases, it
is useful to remove the need to check and unwrap the optional’s value
every time it is accessed, because it can be safely assumed to have a
value all of the time.
These kinds of optionals ...