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String isNullOrEmpty in Java? [duplicate]
...str)
StringUtils.isBlank(str) or StringUtils.isNotBlank(str)
from Apache commons-lang.
The difference between empty and blank is : a string consisted of whitespaces only is blank but isn't empty.
I generally prefer using apache-commons if possible, instead of writing my own utility methods, alth...
Is it possible to disable scrolling on a ViewPager
...sPagingEnabled = b;
}
}
Then in your Layout.XML file replace any <com.android.support.V4.ViewPager> tags with <com.yourpackage.CustomViewPager> tags.
This code was adapted from this blog post.
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Hidden Features of Xcode
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Switch to Header/Source File
Option ⌥ Command ⌘ Up Arrow ↑
View > Switch to Header/Source File
Switches between the .m and .h files.
In Xcode 4 this is ctrl Command ⌘ Up Arrow ↑
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Standard concise way to copy a file in Java?
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As toolkit mentions above, Apache Commons IO is the way to go, specifically FileUtils.copyFile(); it handles all the heavy lifting for you.
And as a postscript, note that recent versions of FileUtils (such as the 2.0.1 release) have added the use of NIO for ...
Why is Android Studio reporting “URI is not registered”? [closed]
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Android Studio - local path doesn't exist
...ating Android Studio to 0.2.4 I can't get my project to deploy. There is a complete mismatch of the apk filename.
28 Answer...
Software keyboard resizes background image on Android
...view. Do you have a way to keep the scroll view and keep the background un compressed.
– Rana Ranvijay Singh
Oct 3 '14 at 13:02
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Scalar vs. primitive data type - are they the same thing?
...th and what is relevant in context.
Scalars are typically contrasted with compounds, such as arrays, maps, sets, structs, etc. A scalar is a "single" value - integer, boolean, perhaps a string - while a compound is made up of multiple scalars (and possibly references to other compounds). "Scalar"...
Java JDBC - How to connect to Oracle using Service Name instead of SID
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http://download.oracle.com/docs/cd/B28359_01/java.111/b31224/urls.htm#BEIDHCBA
Thin-style Service Name Syntax
Thin-style service names are supported only by the JDBC Thin driver. The syntax is:
@//host_name:port_number/service_name
For example:
jd...
How to use WeakReference in Java and Android development?
...e problems: WeakHashMap is not a cache!
Tom is right that there have been complaints about poor Netbeans performance due to WeakHashMap caching.
I still think it would be a good learning experience to implement a cache with WeakHashMap and then compare it against your own hand-rolled cache imple...