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How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
...er to generate class files compatible with Java 1.4, use the following command line:
javac -target 1.4 HelloWorld.java
With newer versions of the Java compiler you are likely to get a warning about the bootstrap class path not being set. More information about this error is available in a blog po...
warning about too many open figures
... interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
6 Answers
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How do you change the datatype of a column in SQL Server?
...ge a column from a varchar(50) to a nvarchar(200) . What is the SQL command to alter this table?
8 Answers
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How to set up Android emulator proxy settings
I want to to use the browser inside the Android emulator, and I want to use the proxy settings on my machine. How can I set this up?
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NGinx Default public www location?
...n educated guess as to what this means for you would be, if you downloaded and compiled the source yourself. In that case, the paths would be relative to whatever --prefix was used. If you didn't change it, it defaults to /usr/local/nginx. You can find the parameters nginx was compiled with via ngin...
Remove HTML tags from a String
..., which is very useful if you want to allow only e.g. <b>, <i> and <u>.
See also:
RegEx match open tags except XHTML self-contained tags
What are the pros and cons of the leading Java HTML parsers?
XSS prevention in JSP/Servlet web application
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PHP Fatal error: Using $this when not in object context
...ot point to $this->foo. It references a class constant. Both, self::foo and self::$foo would raise a Fatal Error.
– Gordon
Feb 28 '10 at 12:34
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Return multiple values to a method caller
I read the C++ version of this question but didn't really understand it.
27 Answers
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A Windows equivalent of the Unix tail command [closed]
I'm looking for the equivalent of the Unix 'tail' command that will allow me to watch the output of a log file while it is being written to.
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How can I check if a var is a string in JavaScript?
...Also, you may as well use == (equality comparison operator) since both operands are Strings (typeof always returns a String), JavaScript is defined to perform the same steps had I used === (strict comparison operator).
As Box9 mentions, this won't detect a instantiated String object.
You can dete...