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What is a NullReferenceException, and how do I fix it?
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You are trying to use something that is null (or Nothing in VB.NET). This means you either set it to null, or you never set it to anything at all.
Like anything else, null gets passed around. If it is null in method "A", it could be that method "B" passed a null to method "A".
null can have differe...
What is the difference between Class and Klass in ruby?
...nity has taken to using klass. It doesn't have any special magic - it just means "I wanted to use the name 'class' here, but I can't, since it's a reserved keyword".
On a side note, since you've typed it out wrong a few times, it's worth noting that in Ruby, case matters. Tokens that start with a c...
Which rows are returned when using LIMIT with OFFSET in MySQL?
...#26.
Start by reading the query from offset. First you offset by 8, which means you skip the first 8 results of the query. Then you limit by 18. Which means you consider records 9, 10, 11, 12, 13, 14, 15, 16....24, 25, 26 which are a total of 18 records.
Check this out.
And also the official d...
How do you get the rendered height of an element?
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I'm perplexed with the meaning of clientHeight. I have a div element which has a bunch of p elements in it and the content goes far beyond the viewable area of the browser downward. And I expected clientHeight to give the rendered height, and scrol...
static allocation in java - heap, stack and permanent generation
...the Permanent Generation area.
More or less, yes. I'm not sure what you mean by some of those things. I'm guessing that "internal objects used by JVM (like java/lang/Object)" means JVM-internal class descriptors.
3) All the static member variables are kept on the Permanent Generation area ag...
Using backticks around field names
..., and has problems with backticks. However, they are part of ASCII so this means that your software/function is very bad.
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Testing Private method using mockito
...r behaviour if b is true. It has different behaviour if b is false. This means you should write two different tests for method; one for each case. So instead of having three method-oriented tests (one for method, one for method1, one for method2, you have two behaviour-oriented tests.
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How to determine when Fragment becomes visible in ViewPager
...fragment, which I think is the most suitable state of the "visibility" you mean, since only one fragment in ViewPager can actually place its menu items together with parent activity's items.
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How to create a new (and empty!) “root” branch?
... to define a new "root" branch in this git repository. By "root" branch I mean a branch that is entirely independent of all the other branches in the repository 1 .
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How to create a tag with Javascript?
... wrong element: style has no rel or href attribute - did you mean link?
– Christoph
Feb 7 '09 at 22:30
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