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@ variables in Ruby on Rails
What's the difference between @title and title ? Since both of them can be variable names. Also, how do I decide which kind of variable I should use? With @ or not?
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Not equal != operator on NULL
Could someone please explain the following behavior in SQL?
11 Answers
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How to detect which one of the defined font was used in a web page?
Suppose I have the following CSS rule in my page:
11 Answers
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bootstrap popover not showing on top of all elements
I'm working on a bootstrap site and after updating to bootstrap 2.2 from 2.0 everything worked except the popover.
15 Answe...
Git fails when pushing commit to github
I cloned a git repo that I have hosted on github to my laptop. I was able to successfully push a couple of commits to github without problem. However, now I get the following error:
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java.lang.NoClassDefFoundError: Could not initialize class XXX
class PropHolder is a class of my own. The class resides in the same JAR file of the main class. So that should not because any JAR is missing from classpath.
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Correct format specifier to print pointer or address?
Which format specifier should I be using to print the address of a variable? I am confused between the below lot.
5 Answers...
Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
I've heard that SELECT * is generally bad practice to use when writing SQL commands because it is more efficient to SELECT columns you specifically need.
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What is the difference between JVM, JDK, JRE & OpenJDK?
What is the difference between JVM , JDK , JRE & OpenJDK ?
19 Answers
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Include another HTML file in a HTML file
I have 2 HTML files, suppose a.html and b.html . In a.html I want to include b.html .
37 Answers
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