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How to override the properties of a CSS class using another CSS class
I am fairly new to CSS3 and I want to be able to do the following:
6 Answers
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val-mutable versus var-immutable in Scala
...that means is that, if I have an expression "e", I could make a val x = e, and replace e with x. This is the property that mutability break. Whenever you need to make a design decision, maximize for referential transparency.
As a practical matter, a method-local var is the safest var that exists, s...
Changing default encoding of Python?
I have many "can't encode" and "can't decode" problems with Python when I run my applications from the console. But in the Eclipse PyDev IDE, the default character encoding is set to UTF-8 , and I'm fine.
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Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac
...ueryForObject all such methods expects that executed query will return one and only one row. If you get no rows or more than one row that will result in IncorrectResultSizeDataAccessException . Now the correct way is not to catch this exception or EmptyResultDataAccessException, but make sure the qu...
Javascript what is property in hasOwnProperty?
...code rather than global or function code). I tried it in a blank HTML page and get a "cannot convert null to object" error.
– James Allardice
Feb 22 '12 at 14:39
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What is a classpath and how do I set it?
...to provide the VM a list of places to look. This is done by putting folder and jar files on your classpath.
Before we talk about how the classpath is set, let's talk about .class files, packages, and .jar files.
First, let's suppose that MyClass is something you built as part of your project, and ...
How do I fix "The expression of type List needs unchecked conversion…'?
... Thanks -- that's an interesting insight about the "warranty" and the invisible cast done by the compiler versus a cast done explicitly in my own code.
– user46277
Dec 16 '08 at 5:30
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How to add an extra source directory for maven to compile and include in the build jar?
...nt to include in my build process, in other words, I want maven to compile and include the sources there in my build. How!?
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anchor jumping by using javascript
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You can get the coordinate of the target element and set the scroll position to it. But this is so complicated.
Here is a lazier way to do that:
function jump(h){
var url = location.href; //Save down the URL without hash.
location.href = "#"+h; ...
Why does volatile exist?
...s useless (The guy never sets the value! He's nuts, get rid of that code!) and my code would proceed without having acquired the semaphore, causing problems later on.
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