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Why use Ruby's attr_accessor, attr_reader and attr_writer?
...erally a sign of weak encapsulation and a warning that you're introducing too much coupling between your classes.
As a practical example: I wrote a design program where you put items inside containers. The item had attr_reader :container, but it didn't make sense to offer a writer, since the only t...
call a static method inside a class?
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...but why? $this->staticMethod() works too. Can you explain why self::staticMethod() more correct (if it is)?
– Ian Dunn
Mar 31 '12 at 4:22
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How can I configure my makefile for debug and release builds?
I have the following makefile for my project, and I'd like to configure it for release and debug builds. In my code, I have lots of #ifdef DEBUG macros in place, so it's simply a matter of setting this macro and adding the -g3 -gdwarf2 flags to the compilers. How can I do this?
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git command to show all (lightweight) tags creation dates
Is there a one liner that shows me the dates where all git lightweight tags where created ?
2 Answers
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How to paste text to end of every line? Sublime 2
I'm curious if there is a way to paste text to the end of every line in Sublime 2? And conversely, to the beginning of every line.
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Why is the Java main method static?
... ambiguity: which constructor should be called? Especially if your class looks like this:
public class JavaClass{
protected JavaClass(int x){}
public void main(String[] args){
}
}
Should the JVM call new JavaClass(int)? What should it pass for x?
If not, should the JVM instantiate JavaCl...
How to get Locale from its String representation in Java?
Is there a neat way of getting a Locale instance from its "programmatic name" as returned by Locale's toString() method? An obvious and ugly solution would be parsing the String and then constructing a new Locale instance according to that, but maybe there's a better way / ready solution for tha...
RESTful call in Java
I am going to make a RESTful call in Java. However, I don't know how to make the call. Do I need to use the URLConnection or others? Can anyone help me. thank you.
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What are JavaScript's builtin strings?
this question is difficult to summarize in a question title
7 Answers
7
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
Why am I getting this database error when I update a table?
14 Answers
14
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