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How to list all methods for an object in Ruby?
How do I list all the methods that a particular object has access to?
8 Answers
8
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MySql: Tinyint (2) vs tinyint(1) - what is the difference?
I knew boolean in mysql as tinyint (1) .
4 Answers
4
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“x not in y” or “not x in y”
When testing for membership, we can use:
6 Answers
6
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How do I increase the number of displayed lines of a Java stack trace dump?
Is there a way to make Throwable.printStackTrace(PrintStream s) print the full stack trace, so that I can see beyond the final line of "... 40 more" ?
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Simplest way to serve static data from outside the application server in a Java web application
I have a Java web application running on Tomcat. I want to load static images that will be shown both on the Web UI and in PDF files generated by the application. Also new images will be added and saved by uploading via the Web UI.
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Trigger 404 in Spring-MVC controller?
...esponseStatus annotation:
@ResponseStatus(value = HttpStatus.NOT_FOUND)
public class ResourceNotFoundException extends RuntimeException {
...
}
@Controller
public class SomeController {
@RequestMapping.....
public void handleCall() {
if (isFound()) {
// whatever
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Join vs. sub-query
I am an old-school MySQL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why.
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How to print a stack trace in Node.js?
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Any Error object has a stack member that traps the point at which it was constructed.
var stack = new Error().stack
console.log( stack )
or more simply:
console.trace("Here I am!")
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How do I access properties of a javascript object if I don't know the names?
Say you have a javascript object like this:
8 Answers
8
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Is there a Python caching library?
I'm looking for a Python caching library but can't find anything so far. I need a simple dict -like interface where I can set keys and their expiration and get them back cached. Sort of something like:
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