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Defining and using a variable in batch file
...e referenced with %location %. If that’s not what you want, remove the extra space(s) in the definition.
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Connection timeout for SQL server
Can I increase the timeout by modifying the connection string in the web.config ?
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Exporting a function in shell
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Functions are not exportable by nature. However you can export strings, so I have a little trick here:
func="$(typeset -f funcname)"
export func
To import the function, re-define it from the exported string:
# in subshell
eval "$func"
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What is “overhead”?
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Overhead typically reffers to the amount of extra resources (memory, processor, time, etc.) that different programming algorithms take.
For example, the overhead of inserting into a balanced Binary Tree could be much larger than the same insert into a simple Linked Li...
Calculating distance between two points, using latitude longitude?
...distanceAlgorithm;
public class CalDistance {
public static void main(String[] args) {
// TODO Auto-generated method stub
CalDistance obj=new CalDistance();
/*obj.distance(38.898556, -77.037852, 38.897147, -77.043934);*/
System.out.println(obj.distance(38.898556, -77.037...
When to use static vs instantiated classes
...not be used.
Most utility classes such as the ones converting/formatting strings are good candidates for being a static class. My rule is simple: everything goes static in PHP unless there is one reason why it should not.
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Difference between object and class in Scala
...e Java language will. (That's how you can do object Foo{ def main(args:Seq[String]) } and expect the program to run.)
– Ken Bloom
Oct 9 '11 at 2:15
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Is MATLAB OOP slow or am I doing something wrong?
...OOP , as a start I mimicked my C++'s Logger classes and I'm putting all my string helper functions in a String class, thinking it would be great to be able to do things like a + b , a == b , a.find( b ) instead
of strcat( a b ) , strcmp( a, b ) , retrieve first element of strfind( a, b ) , et...
Truncate Two decimal places without rounding
...t it to an Integer. The question would be why you would want to incur that extra overhead anyway since Truncate returns Decimal integrals anyway. Just do something like: decimal step = (decimal)Math.Pow(10, precision); return Math.Truncate(step * value) / step;
– Sarel Esterhu...
The preferred way of creating a new element with jQuery
...the second approach simply sets the innerHTML property of the element to a string, which happens to be HTML, and is more error prone and less flexible.
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