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How do I get a file's directory using the File object?
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In either case, I'd expect file.getParent() (or file.getParentFile()) to give you what you want.
Additionally, if you want to find out whether the original File does exist and is a directory, then exists() and isDirectory() are ...
Android Calling JavaScript functions in WebView
I am trying to call some javascript functions sitting in an html page running inside an android webview . Pretty simple what the code tries to do below - from the android app, call a javascript function with a test message, which inturn calls a java function back in the android app that disp...
What's the difference between VARCHAR and CHAR?
...d length.
If your content is a fixed size, you'll get better performance with CHAR.
See the MySQL page on CHAR and VARCHAR Types for a detailed explanation (be sure to also read the comments).
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How can I recover a lost commit in Git?
First, got "your branch is ahead of origin/master by 3 commits" then my app has reverted to an earlier time with earlier changes.
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Building executable jar with maven?
...the question you mentioned is just wrong (UPDATE - 20101106: someone fixed it, this answer refers to the version preceding the edit) and this explains, at least partially, why you run into troubles.
It generates two jar files in logmanager/target: logmanager-0.1.0.jar, and logmanager-0.1.0-jar-wit...
Command to get nth line of STDOUT
... -l | sed -n 2p
Using this alternative, which looks more efficient since it stops reading the input when the required line is printed, may generate a SIGPIPE in the feeding process, which may in turn generate an unwanted error message:
ls -l | sed -n -e '2{p;q}'
I've seen that often enough that...
Convert special characters to HTML in Javascript
...ans "global". Simply put, all occurrences of the string will be replaced. Without /g only the first match would be replaced.
– Kevin G.
Jul 21 '16 at 11:42
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How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?
... the Java IDEs ( Eclipse , NetBeans , and IntelliJ IDEA ) providing you with a command to generate a default constructor for a class based on the fields in the class.
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Extract numbers from a string
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$str = 'In My Cart : 11 12 items';
preg_match_all('!\d+!', $str, $matches);
print_r($matches);
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Why do Java webapps use .do extension? Where did it come from?
...knowledge, this convention has been spread by Struts1. The user guide puts it like this:
5.4.2 Configure the ActionServlet Mapping
Note: The material in this section is not specific to Struts. The
configuration of servlet mappings is
defined in the Java Servlet
Specification. This se...