arg (140)


linux - Bash Pipe Handling

linux - Bash Pipe Handling

Does anyone know how bash handles sending data through pipes? cat file.txt | tail-20 Does this command print all the contents of file.txt into a buffer, which is then read by tail? Or does this comm…


How can a class have no constructor?

A while back I asked about instantiating a HttpContext object. Now that I have learnt what I didn't know, what confuses me is that you cannot say HttpContext ctx=new HttpContext(); because the obje…


java.util.List is an interface, and JAXB can't handle interfaces

I seemed to get the following exception when trying to deploy my application: Caused by: com.sun.xml.bind.v2.runtime.IllegalAnnotationsException: 2 counts of IllegalAnnotationExceptions java.util.…


Implementing a “[command][action][parameter]” style command-line interfaces?

What is the "cleanest" way to implement an command-line UI, similar to git's, for example: git push origin/master git remote add origin git://example.com master Ideally also allowing the more flexibl…


How to XML configure Spring bean for constructor injection when bean has varargs constructor

Is there a way to write a Spring bean in XML so that it uses constructor injection when that constructor has a varargs parameter type? IE, is there a way to specify an array the way you can specify a…


Java constructor with large arguments or Java bean getter/setter approach

I can't decide which approach is better for creating objects with a large number of fields(10+)(all mandatory) the constructor approach of the getter/setter. Constructor at least you enforce that al…


python libraries for ssh handling

I'm going to write first code for handling ssh commands on python and I did search over the stackoverflow and can see that there are several python libraries that can be used for handling commands pas…


c# - RhinoMocks-Not specifying all parameters in AssertWasCalled

I am using RhinoMocks. Now I want to assert that some function was called, but I only care about one of the arguments. Can I do a AssertWasCalled where I only specify one argument? In the following e…


oop - Is mixing constructor-based and setter-based injections a bad thing?

I have a class for products import from CSV file operation which requires about 7 parameters. This is an info which is definitely needed for importer. All of this parameters have the same life time. I…


Python function pointer

I have a function name stored in a variable like this: myvar='mypackage.mymodule.myfunction' and I now want to call myfunction like this myvar(parameter1, parameter2) What's the easiest way to ach…





constructor arguments java argument example not default class function parameter