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Difference between getAttribute() and getParameter()
What is the difference between getAttribute() and getParameter() methods within HttpServletRequest class?
10 Answers
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View's getWidth() and getHeight() returns 0
... dimension resource from your layout file and your source code, to avoid this problem.
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What is Persistence Context?
...nd JPA. I was studying JPA and came across many new terms like Entity, persistence. While reading, I could not understand the exact definition for Persistence Context .
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Using Node.JS, how do I read a JSON file into (server) memory?
...d like to read a JSON object, either from a text file or a .js file (which is better??) into memory so that I can access that object quickly from code. I realize that there are things like Mongo, Alfred, etc out there, but that is not what I need right now.
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How do I convert an integer to binary in JavaScript?
...s when representing negative numbers. For example, (-1).toString(2) output is "-1".
To fix this issue, you can use the unsigned right shift bitwise operator (>>>) to coerce your number to an unsigned integer.
If you run (-1 >>> 0).toString(2) you will shift your number 0 bits to ...
Sass or Compass without ruby?
Is there a way to use Sass or Compass or anything like that without Ruby?
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How do I find where JDK is installed on my windows machine?
I need to know where JDK is located on my machine.
22 Answers
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Where can I find the Java SDK in Linux after installing it?
I installed JDK using apt-get install but I don't know where my jdk folder is. I need to set the path for that. Does any one have a clue on the location?
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When should I use “this” in a class?
I know that this refers to a current object. But I do not know when I really need to use it. For example, will be there any difference if I use x instead of this.x in some of the methods? May be x will refer to a variable which is local for the considered method? I mean variable which is see...
Reusing output from last command in Bash
Is the output of a Bash command stored in any register? E.g. something similar to $? capturing the output instead of the exit status.
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