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What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
What is the difference between NoClassDefFoundError and ClassNotFoundException ?
15 Answers
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XPath to find elements that does not have an id or class
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Pretty straightforward:
//tr[not(@id) and not(@class)]
That will give you all tr elements lacking both id and class attributes. If you want all tr elements lacking one of the two, use or instead of and:
//tr[not(@id) or not(@class)]
Wh...
How to set HTTP headers (for cache-control)?
How to enable browser caching for my site? Do I just put cache-control:public somewhere up in my header like this?
8 Answer...
Gulps gulp.watch not triggered for new or deleted files?
The following Gulpjs task works fine when editing files in the glob match:
7 Answers
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Why is it impossible to build a compiler that can determine if a C++ function will change the value
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Why is it impossible to build such a compiler?
For the same reason that you can't write a program that will determine whether any given program will terminate. This is known as the halting problem, and it's one of those things that's not computable.
To be clear, you can w...
Ruby's ||= (or equals) in JavaScript?
I love Ruby's ||= mechanism. If a variable doesn't exist or is nil , then create it and set it equal to something:
6 Ans...
Checkout another branch when there are uncommitted changes on the current branch
...ave some uncommitted changes on the current branch. So I'll have to commit or stash those changes first.
5 Answers
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How to find out if an installed Eclipse is 32 or 64 bit version?
...find out if a specific Eclipse instance on my (Windows 7) PC is the 32-bit or 64-bit version?
5 Answers
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how to log in to mysql and query the database from linux terminal
... get mysql prompt in linux terminal?
mysql -u root -p
At the Enter password: prompt, well, enter root's password :)
You can find further reference by typing mysql --help or at the online manual.
2. How I stop the mysql server from linux terminal?
It depends. Red Hat based distros have the serv...
Under what circumstances are linked lists useful?
Most times I see people try to use linked lists, it seems to me like a poor (or very poor) choice. Perhaps it would be useful to explore the circumstances under which a linked list is or is not a good choice of data structure.
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