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Index (zero based) must be greater than or equal to zero
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In my case I could not see the mistake "+name". The compiler would not report an error in this case. So take care.
//Wrong Code:
string name="my name";
string age=25;
String.Format(@"Select * from table where name='{1}' and age...
How to ignore certain files in Git
...an95! Though this question should be renamed based on the selected answer. My comments are just a warning to devs that may not be aware what the command does.
– OrwellHindenberg
Mar 24 '15 at 14:21
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Cannot make a static reference to the non-static method
...lar type (the class). These are created with the new like this:
SomeClass myObject = new SomeClass();
To call an instance method, you call it on the instance (myObject):
myObject.getText(...)
However a static method/field can be called only on the type directly, say like this:
The previous sta...
How to solve the “failed to lazily initialize a collection of role” Hibernate exception
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From my experience, I have the following methods to solved the famous LazyInitializationException:
(1) Use Hibernate.initialize
Hibernate.initialize(topics.getComments());
(2) Use JOIN FETCH
You can use the JOIN FETCH syntax ...
How can I get color-int from color resource?
...the new method, Theme can be passed as null, so just call getColor(R.color.my_color, null) if you're unsure what theme to pass in.
– w3bshark
Sep 12 '15 at 17:42
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Margin-Top push outer div down
I have a header div as the first element in my wrapper div, but when I add a top margin to a h1 inside the header div it pushes the entire header div down. I realize this happens whenever I apply a top margin to the first visible element on a page.
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Check if a Class Object is subclass of another Class Object in Java
...d trying to handle some fields. Now I'm stuck with identifying the type of my fields. Strings are easy, just do myField.getType().equals(String.class) . The same applies for other non-derived classes. But how do I check derived classes? E.g. LinkedList as subclass of List . I can't find any isS...
Choosing a Java Web Framework now? [closed]
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Yes, I realize quite a few people didn't like my "matrix" or my logic for its ratings. In the end, what I was hoping to do with this matrix was to simply highlight a technique for choosing a web framework. You can read about logic behind my ratings in the following blog ...
Add line break within tooltips
...works when I inject it using inspect element, but not when I include it in my html and deploy it with this character. Any obvious reason I might be missing?
– Riaan Schutte
Mar 17 '17 at 2:04
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How to avoid reinstalling packages when building Docker image for Python projects?
My Dockerfile is something like
4 Answers
4
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