Can a class be declared static in c++?
Is this legal in c++ (yes i know it's legal in .net), and if so, how/why would it be used? static class foo{ public: foo(); int doIt(int a); }; ...
static
What happens in a try-finally block with no catch when an exception is thrown?
What happens when an exception is thrown and you I have try-finally structure (without catch) What does this do? . public class Bicycle{ private int cadence; private int gear; private int speed; // the part with static:???? static{ something // I don't remember exactly the format } //...
[Android] Are static fields in Activity classes guaranteed to outlive a create/destroy cycle?
Hi, I frequently run into the problem that I have to preserve state between several invocations of an activity (i.e. going through several onCreate()/onDelete() cycles). Unfortunately, Android's support for doing that is really poor. As an easy way to preserve state, I thought that since the class is only loaded once by the class loade...
PHP include file
i have two files:(localhost/template/) index.php template.php each time when i create an article(an article system is what i'm trying to do),i create a folder and then i copy the index.php in that folder. I want to include template php in index.php but as a static url('cause the articles will be like a folder-subfolder/subfolder/.. s...
C++ - calling methods from outside the class
I have couple questions regarding some C++ rules. Why am I able to call a function/method from outside the class in the namespace when I include the return type? (look at the namespace test2::testclass2 in the code below) i.e. this works: bool b = testclass1::foo<int>(2); whereas this doesn't: - (it doesn't even compile - compiler t...
c++ and zlib static library
I am making a c++ (windows devc++) application which downloads a file using libcurl. I have included the libcurl source code and library to mu executable, so no external dll is required. libcurl requires zlib. But I cannot find out how to include it in the executable. As a result zlib1.dll has to be present. Does anybody know how to incl...
C++ static members in class
Hey Guys Is it possible to access to access and use static members within a class without first creating a instance of that class? Ie treat the the class as some sort of dumping ground for globals James ...
PHP Static Variables
$count = 5; function get_count() { static $count = 0; return $count++; } echo $count; ++$count; echo get_count(); echo get_count(); I guessed it outputs 5 0 1 and it's right,but I need a better explanation? ...
static variable initialization java
how to initialize a private static member of a class in java. trying the following: public class A { private static B b = null; public A() { if (b == null) b = new B(); } void f1() { b.func(); } } but on creating a second object of the class A and then calling f1(), i get a null pointer except...
Launch Apache 2.2 on static IP
Is there any way to launch Apache server on my laptop with static IP address? I need a remote access through web-interface to a local Oracle database from the internet. Right now I have Zend Core installed which allowes me to connect to the database but I don't know how to make it from the internet. Thank you in advance. ...
How to pass "using"-type objects to a function?
I have a code that looks like this: using (DC dc = new DC()) { f(dc.obj, a); } void f(DC dc, int a) { ... dc.obj = a; } It doesnt work - complains about object reference and non-static fields. This is a console application, so it has Main() function. How should I make it work? I tried adding references as it asked: I ha...
Create jnilib from x86_64 .a files on Mac OS X 10.6
I want to use a bunch of non-universal (thin?), x86_64, C libraries from a Java application. The problem is that I only have static versions of them (.a files) and the jvm needs them to be dynamic. I tried using libtool to combine the files into a single dynamic library but I just got error messages saying that many of the symbols (poss...
Why declare a variable or function static in C?
I understand what static does, but not why we use it. Is it just for keeping the abstraction layer? ...
Utility classes.. Good or Bad?
I have been reading that creating dependencies by using static classes/singletons in code, is bad form, and creates problems ie. tight coupling, and unit testing. I have a situation where I have a group of url parsing methods that have no state associated with them, and perform operations using only the input arguments of the method. I ...
Static analysis of .net assembly
I have a C# project for which I need to find the all private methods which are not called from any other public method directly or indirectly. In addition, for each private method which is called from a public method, I need to know which public method it is. Then I will detemine if that method is really called from a client of the clas...
how to Intialize the object as a static only for one session
I am working with ASP.net 3.5 MVC application. I have one assembly which has ClassA. I have another assembly which creates the object of ClassA Now the question is , how to Intialize the object as a static only for one session. The object will be static across the session. New Instance of the object should be created only when new sess...
c# : console application - static methods
why in C#, console application, in "program" class , which is default, all methods have to be static along with static void Main(string[] args) ...
How to statically link using link.exe
I've been trying to statically link against a C++ library called Poco on Windows using the Visual Studio 2008 command line tools. I build my program with: cl /I..\poco\lib /c myapp.cpp link /libpath:..\poco\lib myapp.obj PocoNet.lib This results in an exe that at runtime requires PocoNet.dll and PocoFoundation.dll. I spent some time...
public static final variable in an imported java class
hi all, I happen to come across a Java code at my work place. Here's the scenario: There are 2 classes - ClassA and ClassB. ClassA has nothing except 4 public static final string values inside it. Its purpose is to use those values like ClassA.variable (don't ask me why, it's not my code). ClassB imports ClassA. I edited the string va...
AS3 - Accessing attributes of a static variable of an object from another object
I have 2 classes, Display holds the currently selected Component: public class Display { public static var selectedComponent:Component; } Component has an ID string and the selectedComponent variable is set on click: public class Component extends MovieClip { public var id:String; addEventListener(MouseEvent.CLICK, function() ...