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• Setting a Static IP Running FreeBSD8 in VirtualBox hosted on Windows 7

  - by gvkv

  I'm using VirtualBox on Windows 7 (host) to run a FreeBSD (guest) based web server. I`ve assigned a static ip of 192.168.80. 1 to the (virtualized) NIC which is run in bridged mode. The problem is that when I ping an external server (such as google.com) I get a No route to host error: dimetro# ping google.com PING google.com (66.249.90.104): 56 data bytes ping: sendto: No route to host ... I can ping the BSD server from both another virtualized machine and my host machine and from the server, I can ping everything on the network. The router ip is 192.168.1.1/16. ADDENDUM: I have the following lines in /etc/rc.conf on the BSD VM to configure networking: defaultrouter="192.168.1.1" ifconfig_em0="inet 192.168.80.1 netmask 255.255.0.0"

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• Relaying requests between third party server and Heroku for static IP

  - by Gady

  I have a rails application hosted on Heroku that I need to integrate with 3rd party payments provider. The payment provider requires that my application will have a static IP for incoming and outgoing HTTPS requests. I want to deploy a proxy on a Linode VPS so it can relay the information as a proxy. Relaying the request to the service provider seems easy, I just use their IP. Can I relay requests coming from the service provider to the heroku application? Can I realy the request using a URL (https://myapp.herokuapp.com) ? What is the recommended proxy server to use?

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• static routes, cisco ASA, remote locations

  - by Jeff

  192.168.3.1(ASA) - 192.168.2.1(ASA) - ( internet ) - 192.168.1.1(ASA) DomainController, FS, Exchange 192.168.0.1(ASA) - above is a rough idea what my network setup looks like. each internal ip (192.168.x.x) is located behind an ASA. Each location has a different gateway for the internet. They all talk to the 192.168.1.1 network for dns, dhcp, dc, exchange and so on. They can only see the 192.168.1.1, they can not see each other. In my Static Routes on my 192.168.1.1 ASA, should i have them configure as follows? example: 192.168.x.x 255.255.255.0 Locations_Internet_Gateway_IP OR 192.168.x.x 255.255.255.0 Main_Locations_Internet_Gateway_IP not sure which configurtation is correct, thanks in advance for any help!

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• HOw to give static ip to router from window XP LAN

  - by Captain Planet

  I have the USB modem internet connection. I am using ICS sharing in XP to share my internet connection. ON window XP LAN i have set up the LAN IP as 192.168.137.1 255.255.255.0 Now i have joined the cable from that XP LAN to another LAPTOP running vista Now if set the LAN on VISTA to get ip automatically them internet don't work but if manually set the ip to 192.168.137.3 255.255.255.0 gateway 192.168.137.1 Then my internet works But i want to join that LAN cable from XP to rouer so that i can use router to divide internet. But i don't know how i can give static ipto router because i think somehow that LAN on XP is not giving the IP address

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• Save static version of a webpage to be available offline

  - by Tal Weiss

  Is there a way to save a webpage as static HTML, available for offline viewing, editing etc.? I want to remove all javascript files. Leave only HTML, CSS and images. For example, if this web page has a Facebook Like button, I want the image of the button to be part of the HTML as a regular image (and not be loaded as some Javascript code runs after I load the page). I'm trying to prepare a webpage for an offline demo. When I use the standard "save as HTML complete" like tools, all the Javascript is saved as well, and when viewed offline, all the dynamic content is blanks. Note- I don't expect the dynamic content to work, of course, with no Javascript. I just want the web page to LOOK as though it was just loaded from the interwebs. Thanks, Tal.

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• What is the standard place for static library files on Unix/Ubuntu

  - by Max

  Hi, I am trying to install a library manually, well actually just put it in a sensible location preferably in my LIB path. I have a lib[...].a file and a bunch of headers pertaining to that static library file. If I look under /usr/lib/ I see only .so files, likewise for /lib/, /lib32/ etc. I figure I could chuck it in there, but is there any place where it can get cozy with other .a files or is that as good place as any? I'm not an library expert, but I'm pretty sure it won't matter functionally, but I'd like to learn conventional best practice. Also, where is the standard place to put the headers? Thanks!

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• Apache ProxyPass ignore static files

  - by virtualeyes

  Having an issue with Apache front server connecting to a Jetty application server. I thought that ProxyPass ! in a location block was supposed to NOT pass on processing to the application server, but for some reason that is not happening in my case, Jetty shows a 404 on the missing statics (js, css, etc.) Here's my Apache (v 2.4, BTW) virtual host block: DocumentRoot /path/to/foo ServerName foo.com ServerAdmin [email protected] RewriteEngine On <Directory /path/to/foo> AllowOverride None Require all granted </Directory> ProxyRequests Off ProxyVia Off ProxyPreserveHost On <Proxy *> AddDefaultCharset off Order deny,allow Allow from all </Proxy> # don't pass through requests for statics (image,js,css, etc.) <Location /static/> ProxyPass ! </Location> <Location /> ProxyPass http://localhost:8081/ ProxyPassReverse http://localhost:8081/ SetEnv proxy-sendchunks 1 </Location>

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• how to set static IP address in opensolaris

  - by pm100

  in closed solaris i knew how to do this. Edit /etc/inet/ipnodes, change /etc/defaultrouter, reboot in opensolaris there is not defaultrouter file. first thing I tried was System-admin-network switch to manual enter static address and netmask and gateway. press 'activate' "this interface cannot be activated". No error messages given. Close widget, open again. Now hangs for a minute and then closes try edit /etc/inet/ipnodes, reboot eth card not up. Network widget hangs then closes Works perfectly on DHCP

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• multiple domains, one static IP address and latency

  - by shirish

  how is latency affected when multiple domains are using one single static IP address ? The scenario is in shared web-hosting By latency meaning the DNS lookup the client has to do. As far as I understand it, the browser would hit the root servers to try to figure out the IP Address and it belongs where and then when it comes to the correct server, it probably looks up some sort of table to determine which site names much and show that site as such via browser to the user. Is my understanding correct or backwards or what ?

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• Setting a Static IP Running FreeBSD8 in VirtualBox hosted on Windows 7

  - by gvkv

  I'm using VirtualBox on Windows 7 (host) to run a FreeBSD (guest) based web server. I`ve assigned a static ip of 192.168.80. 1 to the (virtualized) NIC which is run in bridged mode. The problem is that when I ping an external server (such as google.com) I get a No route to host error: dimetro# ping google.com PING google.com (66.249.90.104): 56 data bytes ping: sendto: No route to host ... I can ping the BSD server from both another virtualized machine and my host machine and from the server, I can ping everything on the network. The router ip is 192.168.1.1/16. ADDENDUM: I have the following lines in /etc/rc.conf on the BSD VM to configure networking: defaultrouter="192.168.1.1" ifconfig_em0="inet 192.168.80.1 netmask 255.255.0.0"

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• Fastest web server for serving static content

  - by Swader

  Hello, I'm optimizing our system for some faster static content delivery, and was wondering if anyone has any proper experience with the fastest web servers out there for such a purpose. From the three main candidates I've considered, Nginx, Cherokee and Lighttpd, each seems to have its own problems - but the reports I've read online are somewhat biased and lean towards whichever server the user is currently using. Any ideas on where to see a proper benchmark for this specific purpose, or at least a non-biased list of pros and cons? Any personal experiences and pitfalls I should be vary of? Thanks Edit: Serverfault.com gave the answer as nginx. I'd still like to hear some developer thoughts from this end of the universe.

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• Help on using mod_rewrite to serve I18N static site

  - by Guandalino

  My static site www.example.com is translated in different languages and files are organized in this hierarchy: / /de index.html seite-1.html /en index.html page-1.html /it index.html pagina-1.html The root contains no files, just one subdirectory for each language the site is translated in, while subdirectories contain pages translated (both content and file name are) in the language corresponding to subdirectory name, de, en, it, etc. The question is: how to configure mod_rewrite so that when a client visits www.example.com it is taken to the correct version of the site, falling back to english version if the required locale is not supported (i.e. Accept-Language header doesn't exist or specifies a language for which the site is not available, e.g. fr)? Thanks for any pointer, I'm here to provide further details or feedback! Best regards

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• Requring static class setter to be called before constructor, bad design?

  - by roverred

  I have a class, say Foo, and every instance of Foo will need and contain the same List object, myList. Since every class instance will share the same List Object, I thought it would be good to make myList static and use a static function to set myList before the constructor is called. I was wondering if this was bad, because this requires the setter to be called before the constructor? If the person doesn't, the program will crash. Alternative way would be passing myList every time.

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• Generics in return types of static methods and inheritance

  - by Axel

  Generics in return types of static methods do not seem to get along well with inheritance. Please take a look at the following code: class ClassInfo<C> { public ClassInfo(Class<C> clazz) { this(clazz,null); } public ClassInfo(Class<C> clazz, ClassInfo<? super C> superClassInfo) { } } class A { public static ClassInfo<A> getClassInfo() { return new ClassInfo<A>(A.class); } } class B extends A { // Error: The return type is incompatible with A.getClassInfo() public static ClassInfo<B> getClassInfo() { return new ClassInfo<B>(B.class, A.getClassInfo()); } } I tried to circumvent this by changing the return type for A.getClassInfo(), and now the error pops up at another location: class ClassInfo<C> { public ClassInfo(Class<C> clazz) { this(clazz,null); } public ClassInfo(Class<C> clazz, ClassInfo<? super C> superClassInfo) { } } class A { public static ClassInfo<? extends A> getClassInfo() { return new ClassInfo<A>(A.class); } } class B extends A { public static ClassInfo<? extends B> getClassInfo() { // Error: The constructor ClassInfo<B>(Class<B>, ClassInfo<capture#1-of ? extends A>) is undefined return new ClassInfo<B>(B.class, A.getClassInfo()); } } What is the reason for this strict checking on static methods? And how can I get along? Changing the method name seems awkward.

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• static initialization confusion

  - by Happy Mittal

  I am getting very confused in some concepts in c++. For ex: I have following two files //file1.cpp class test { static int s; public: test(){s++;} }; static test t; int test::s=5; //file2.cpp #include<iostream> using namespace std; class test { static int s; public: test(){s++;} static int get() { return s; } }; static test t; int main() { cout<<test::get()<<endl; } Now My question is : 1. How two files link successfully even if they have different class definitions? 2. Are the static member s of two classes related because I get output as 7. Please explain this concept of statics.

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• Where and why JVM checks that the return type of entry method main(String args[]) is void and not an

  - by akjain

  I will try to answer both, please correct me if I am wrong: Where: If a static method is being called using Classname.method() or using reflection then it doesn’t matter even if you change the return type of the calling method, the same method will still be called. So JVM probably checks this in one of the native methods of jvm.cpp methodHandle m (THREAD, init_klass-find_method(vmSymbols::object_initializer_name(), vmSymbols::void_method_signature())); if (m.is_null()) { ------ THROW_MSG_0 ……….. Why: Although it’s of useless to return a value from main, as java does not do anything with it but if we try to change the return type of main to int for example, JVM throws public static int main(String[] args) { return 1; } java.lang.NoSuchMethodError: main Exception in thread "main" So may be Java mandates the use of same signature for entry method main() to maintain a symmetry in all Java programs written.

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• Calling some functions before main in C

  - by minjang

  I'd like to do some stuffs before main function. I have multiple source files. In each file, there is some work that needs to be done before main. It was no problem in C++, but problematic with C. In C++, this can be done by two ways: Exploiting a constructor of a global class/struct. Calling a function to a global variable For example, static const int __register_dummy_ = __AddRegisterMetaInfo(...); However, in C, either ways is impossible. Obviously, there is no constructor. So, the first option is inherently impossible. I thought that the second option would be possible, but not compiled in C (I tested only with Visual C++. It gives C2099.). C only allows a constant to a non-automatic variable. Is there any way to call some functions before main?

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• Significant amount of the time, I can't think of a reason to have an object instead of a static class. Do objects have more benefits than I think?

  - by Prog

  I understand the concept of an object, and as a Java programmer I feel the OO paradigm comes rather naturally to me in practice. However recently I found myself thinking: Wait a second, what are actually the practical benefits of using an object over using a static class (with proper encapsulation and OO practices)? I could think of two benefits of using an object (both significant and powerful): Polymorphism: allows you to swap functionality dynamically and flexibly during runtime. Also allows to add new functionality 'parts' and alternatives to the system easily. For example if there's a Car class designed to work with Engine objects, and you want to add a new Engine to the system that the Car can use, you can create a new Engine subclass and simply pass an object of this class into the Car object, without having to change anything about Car. And you can decide to do so during runtime. Being able to 'pass functionality around': you can pass an object around the system dynamically. But are there any more advantages to objects over static classes? Often when I add new 'parts' to a system, I do so by creating a new class and instantiating objects from it. But recently when I stopped and thought about it, I realized that a static class would do just the same as an object, in a lot of the places where I normally use an object. For example, I'm working on adding a save/load-file mechanism to my app. With an object, the calling line of code will look like this: Thing thing = fileLoader.load(file); With a static class, it would look like this: Thing thing = FileLoader.load(file); What's the difference? Fairly often I just can't think of a reason to instantiate an object when a plain-old static-class would act just the same. But in OO systems, static classes are fairly rare. So I must be missing something. Are there any more advantages to objects other from the two that I listed? Please explain.

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• Static route works on one computer, not the other

  - by Dan

  I have been struggling with this for a couple days now, maybe I just need some people with a fresh perspective to figure out what the issue is. Basically I have a bunch of computers that are being routed through a specific gateway in order to access a web page that is hosted internally on a separate subnet. I set up static routes on all of the computers, and they all work... except one. Here's what a route print -4 looks like for a working computer (Windows 7): =========================================================================== Interface List 14...xx xx xx xx xx xx ......Broadcom 802.11n Network Adapter 11...xx xx xx xx xx xx ......Realtek PCIe GBE Family Controller 1...........................Software Loopback Interface 1 12...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter 13...00 00 00 00 00 00 00 e0 Microsoft 6to4 Adapter 17...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface =========================================================================== IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 10.xxx.xxx.230 10.xxx.xxx.94 20 10.zzz.zzz.0 255.255.255.0 10.xxx.xxx.147 10.xxx.xxx.94 21 10.xxx.xxx.0 255.255.255.0 On-link 10.xxx.xxx.94 276 10.xxx.xxx.94 255.255.255.255 On-link 10.xxx.xxx.94 276 10.xxx.xxx.255 255.255.255.255 On-link 10.xxx.xxx.94 276 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 10.xxx.xxx.94 276 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 10.xxx.xxx.94 276 =========================================================================== Persistent Routes: Network Address Netmask Gateway Address Metric 10.zzz.zzz.0 255.255.255.0 10.xxx.xxx.147 1 =========================================================================== And here's a route print -4 from the station that doesn't work (also Windows 7): =========================================================================== Interface List 10...xx xx xx xx xx xx ......Realtek PCIe GBE Family Controller 1...........................Software Loopback Interface 1 12...00 00 00 00 00 00 00 e0 Microsoft 6to4 Adapter 14...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2 16...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface =========================================================================== IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 10.xxx.xxx.230 10.xxx.xxx.132 276 10.zzz.zzz.0 255.255.255.0 10.xxx.xxx.147 10.xxx.xxx.132 21 10.xxx.xxx.0 255.255.255.0 On-link 10.xxx.xxx.132 276 10.xxx.xxx.132 255.255.255.255 On-link 10.xxx.xxx.132 276 10.xxx.xxx.255 255.255.255.255 On-link 10.xxx.xxx.132 276 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 10.xxx.xxx.132 276 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 10.xxx.xxx.132 276 =========================================================================== Persistent Routes: Network Address Netmask Gateway Address Metric 10.zzz.zzz.0 255.255.255.0 10.xxx.xxx.147 1 =========================================================================== Both of these stations are running Windows 7. So essentially what I am trying to do here is route all traffic to the 10.zzz.zzz.0 subnet through the 10.xxx.xxx.147 gateway. Everything else should go through the 10.xxx.xxx.230 gateway. This is the intended behavior, and again it is working everywhere but that one station. I noticed that the Active Route metric costs differ between the two stations, but I am new to the routing table and I am not sure how that is impacting the behavior. I hope I have been able to explain the situation clearly. Any help would be much appreciated. I can provide any additional information if needed!

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• non-static method setPrzechowaj(java.lang.String) cannot be referenced froma a static context

  - by bigbluedragon

  hey i have problem with JDialogForm. I have created it using netbeans 6.8. That JDialogForm have textfield and button below it. and here is some code... private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { String sciezka = jTextField1.getText(); if (sciezka.length() > 0) { Zmienne_pomocnicze.setPrzechowaj(sciezka); } } Now i want to copy that string "sciezka" to my main window but if I do it like this public class Zmienne_pomocnicze { public String n; public void setPrzechowaj (String neew) { n = neew; } public String getPrzechowaj () { return n; } } i get error in jButton1: non-static method setPrzechowaj(java.lang.String) cannot be referenced froma a static context any ideas?

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• Question regarding overriding and overloading static methods

  - by giri

  Hi I like to know regarding static method Why static methods can not be overridden in java? Can static methods can be overloaded in java? Thanks

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• C# "Enum" Serialization - Deserialization to Static Instance

  - by Walt W

  Suppose you have the following class: class Test : ISerializable { public static Test Instance1 = new Test { Value1 = "Hello" ,Value2 = 86 }; public static Test Instance2 = new Test { Value1 = "World" ,Value2 = 26 }; public String Value1 { get; private set; } public int Value2 { get; private set; } public void GetObjectData(SerializationInfo info, StreamingContext context) { //Serialize an indicator of which instance we are - Currently //I am using the FieldInfo for the static reference. } } I was wondering if it is possible / elegant to deserialize to the static instances of the class? Since the deserialization routines (I'm using BinaryFormatter, though I'd imagine others would be similar) look for a constructor with the same argument list as GetObjectData(), it seems like this can't be done directly . . Which I would presume means that the most elegant solution would be to actually use an enum, and then provide some sort of translation mechanism for turning an enum value into an instance reference. How might one go about this?

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• regarding static methods:

  - by giri

  Hi I like to know regarding static method 1) Why static methods can not be overridden in java? 2) Can static methods can be overloaded in java? Thanks

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• Implementing Static Libraries In iPhone

  - by socialCircus

  Hi All, I have created a static library following this link. But I am facing Problems in using the library. For reference on how to use static libraries in an iPhone project I followed this link . But I am stil struggling with the "How to implement static libraries in any other iPhone project?" question. Thank you all.

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• Why doesn't Visual Studio show an exception message when my exception occurs in a static constructor

  - by Tim Goodman

  I'm running this C# code in Visual Studio in debug mode: public class MyHandlerFactory : IHttpHandlerFactory { private static Dictionary<string, bool> myDictionary = new Dictionary<string, bool>(); static MyHandlerFactory() { myDictionary.Add("someKey",true); myDictionary.Add("someKey",true); // fails due to duplicate key } } Outside of the static constructor, when I get to the line with the error Visual Studio highlights it and pops up a message about the exception. But in the static constructor I get no such message. I am stepping through line-by-line, so I know that I'm getting to that line and no further. Why is this? (I have no idea if that fact that my class implements IHttpHandlerFactory matters, but I included it just in case.) This is VS2005, .Net 2.0

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