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  • SSH into Ubuntu Linux on a box without a static IP address

    - by Steven Xu
    Basically, how do I do it? I'd like to connect to my home computer from work, but my internet is routed through my apartment building's network, so I don't have the static IP address I'm accustomed to having. How do I go about accessing my home computer through SSH (I'll be using Putty at work if it matters) if my home computer doesn't have a static IP address?

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  • Providing a static IP for resources behind AWS Elastic Load Balancer (ELB)

    - by tharrison
    I need a static IP address that handles SSL traffic from a known source (a partner). Our servers are behind an AWS Elastic Load Balancer (ELB), which cannot provide a static IP address; many threads about this here. My thought is to create an instance in EC2 whose sole purpose in life is to be a reverse proxy server having it's own IP address; accepting HTTPS requests and forwarding them to the load balancer. Are there better solutions?

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  • Obtaining a DHCP IP address if static address is not available

    - by user142485
    I have seen some questions that are similar to my problem but not a good solution. Ex. User has a laptop and has a static IP address at the office. They also take the laptop off site where they also need internet. Is there a way to configure their computer so that it will obtain an IP address automatically when the configured static address is not available (without making the user go into network configuration and changing to obtain automatically)?

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  • mirror a site with wget and download static media

    - by mountainswhim
    I'd like to mirror a site with wget and convert all the links to the local copies I've downloaded. So far that's easy all I have to do is wget -mk http://site.com However all of the static media is located in a different domain, if I follow all of the foreign hosts using the -H option it will download that static media files, but it will also download anything else externally linked. Is there a way to specify 'only download foreign hosts specified in list X'?

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  • debian lenny : problem modifying static ip

    - by supertiti
    hello all, i'm trying to change a static ip assigned to a debian VM. I modified the /etc/network/interfaces file but my debian doesn't seem to like the new settings currently the machine's ip is set to 192.168.1.136 and i want the machine's ip to be set to 192.168.1.8 here's my modified /etc/network/interfaces : auto lo iface lo inet loopback allow-hotplug eth0 auto eth0 iface eth0 inet static address 192.168.1.8 gateway 192.168.1.1 netmask 255.255.255.0

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  • setting up static ip on linux

    - by user64908
    I understood the interface file in linux needs to be edited and the corresponding lines added. I don't understand what network and broadcast are for, it seems extra versus a windows static ip configuration. In my case my gateway is 192.168.5.1 and my machine ip is 192.168.5.101, what would be my network and broadcast address, is the below correct and what exactly do they mean? iface eth0 inet static address 192.168.5.101 gateway 192.168.5.1 netmask 255.255.255.0 network 192.168.5.0 broadcast 192.168.5.255

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  • Static IP question

    - by blade
    If I want to set a static IP for my AD DS, do I need an ISP which provides this facility? Also, if my VMS also need a static IP, would this have to be another IP or can it be the same? (I know this sounds a bit noobish). Thanks

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  • How to resize width of a Jquery dialog after initialization

    - by Draco
    Hi, I'm trying to change the width of a JQuery dialog after it has been initialized. Here is my initialization: $(function() { $("#dialogContainer").dialog({ title: 'Some title', resizable: false, bgiframe: true, overlay: { opacity: 0.3, background: "white" }, position: [200, 200], autoOpen: false, height: 150, width: 'auto' modal: true, buttons: { 'ok': function() { $(this).dialog('close'); } } }); }); And this is what I am doing to change the width of it in some other function: $("#dialogBox").dialog('option','width',700); But this doesn't work. The width of the dialog is the width of the paragraph that's first displayed in it. Was I suppose to do anything else? Here is the html for the dialog: <div id = 'dialogContainer'> <p id = 'message'></p> </div>

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  • Difference between Singleton implemention using pointer and using static object

    - by Anon
    EDIT: Sorry my question was not clear, why do books/articles prefer implementation#1 over implementation#2? What is the actual advantage of using pointer in implementation of Singleton class vs using a static object? Why do most books prefer this class Singleton { private: static Singleton *p_inst; Singleton(); public: static Singleton * instance() { if (!p_inst) { p_inst = new Singleton(); } return p_inst; } }; over this class Singleton { public: static Singleton& Instance() { static Singleton inst; return inst; } protected: Singleton(); // Prevent construction Singleton(const Singleton&); // Prevent construction by copying Singleton& operator=(const Singleton&); // Prevent assignment ~Singleton(); // Prevent unwanted destruction };

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  • Oracle Linked Server error: ORA-12640: Authentication adapter initialization failed

    - by Chenster
    I have a linked server on SQL Server that talks to Oracle. Executing the following sql statement using Openquery SELECT * FROM OPENQUERY(finance, 'select * from KFRI.VW_XREF_PROJECTS') will get error as the following: OLE DB provider "OraOLEDB.Oracle" for linked server "finance" returned message "ORA-12640: Authentication adapter initialization failed". Msg 7303, Level 16, State 1, Line 1 Cannot initialize the data source object of OLE DB provider "OraOLEDB.Oracle" for linked server "finance". I tried to set : SQLNET.AUTHENTICATION_SERVICES= (NONE) in {$ORACLE_HOME}\NETWORK\ADMIN\sqlnet.ora. It did not help. What's interesting is my coworker is able to execute the exactly same query successfully on his machine without a hitch. Any tips on how to fix this is greatly appreciated!!

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  • Intellij + GWT 2: Development Mode ignores changes to static content

    - by Kaffeine Coma
    The new Development Mode in GWT 2 is awesome, but unfortunately as launched from Intellij IDEA 9, it does not seem to notice changes made to static files such as html, css, etc. It immediately see changes in *.java files, but not the static ones. If I make a change in a static file I need to quite the Development Mode tool and re-launch it. This is painfully slow, and negates much of the point of using dev mode in the first place I assume this is some artifact resulting from the way the Intellij runner launches it- it creates an out/artifacts/project_war_exploded directory with the static content and class files. How can I get Intellij Dev Mode tool to follow changes made to the original static source files?

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  • Proper indentation in array initialization, PDT/Zend Studio

    - by Sergei Stolyarov
    I'm using the following style of array initialization in the code: $a = array( 'one' => 123, 'two' => 456 ); But PDT/Zend Studio doesn't work properly in this case; after pressing [Return] key it places cursor under the $a (in my example) and ignores indentation. If array keys are numbers (at least not start with quotation marks) everything is working fine. This is how it works currently (| — is a position where edtitor places caret after pressing [Return]) $a = array( 'one' => 123,[RETURN] | ); This is expected result: $a = array( 'one' => 123,[RETURN] | ); So is it possible to force editor follow my indentation rules?

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  • Boost C++ Singleton error LNK2001: unresolved external symbol "private: static long Nsp::HL::flag" (

    - by Soós Roland
    I try to create a multi-threaded singleton pattern class. Header: class HL{ public: static HL* getInstance(); ......... private: static HL* instance; static boost::once_flag flag; HL(); static void initOnce(); } CPP: HL* HL::instance = NULL; HL* HL::getInstance(){ if(instance == NULL){ boost::call_once(flag, initOnce); } return instance; } void HL::initOnce(){ instance = new HL(); } I get this error: error LNK2001: unresolved external symbol "private: static long Nsp::HL::flag" (?flag@HL@Nsp@@0JA) What's wrong?

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  • Why can event handlers can only be bound to HttpApplication events during IHttpModule initialization

    - by Venemo
    This is just another "working in dev server, why not working in IIS" type question. So, I created a nice DAL using NHibernate as described here. When creating an ISession, I hook up an event handler to the HttpApplication.EndRequest to take care of cleaning it up. However, I deployed my site to IIS and it says: Event handlers can only be bound to HttpApplication events during IHttpModule initialization. Since when? What for? Why? How can I bypass it?

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  • AS3: Weak Listener References Not Appropriate During Initialization?

    - by TheDarkIn1978
    as i currently understand, if an event listener is added to an object with useWeakReference set to true, then it is eligible for garbage collection and will be removed if and when the garbage collection does a sweep. public function myCustomSpriteClass() //constructor { this.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownListener, false, 0, true); this.addEventListener(MouseEvent.MOUSE_UP, mouseUpListener, false, 0, true); } in this case, is it not appropriate to initialize an object with weak references event listeners, incase the garbage collector does activate a sweep removing the objects event listeners since they were added during initialization of the object? in this case, would it only be appropriate to create a type of deallocate() method which removes the event listeners before the object is nullified?

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  • Webfaction: How do I run a Static/Perl app and Django app under the same website

    - by swisstony
    I have an existing Perl app that I'm moving to a Webfaction website. I will be adding Django apps to this Webfaction website too. I would like the Django app to get first call and so would want its URL path to be / This would allow me to add any new URLs to the urls.py I wish as my app grows. If the URL doesn't match anything in the urls.py I would like it to get passed to the static Perl app. For example /app1 - Django /app2 - Django Everything else not picked up by urls.py I would want going to my Perl app For example: /index.html - Static/Perl app /about.html - Static/Perl app /contact.html - Static/Perl app /apps/perlapp1.cgi - Static/Perl app etc How do I go about achieving this in Webfaction?

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  • Tomcat not showing Spring Context initialization errors when running from Eclipse WTP

    - by SourceRebels
    Hi all, Im working with Eclipse Galileo (WTP), Spring 2.5.6-SEC01 and Apache Tomcat 5.5.28. When I run my application from Eclipse, I'm able to see Tomcat standard output and error from the console view. When there is a Spring initialization error (ex: malformed spring XML) I'm not able to see the error message or the stacktrace at the Console view. Anyone found before a problem like this? how you solve it? Thanks in advance, I'm getting mad :-) Edited: I'm seeing all Tomcat startup messages and my System.out.println and System.err.println messages in Eclipse Console. I also try to pass this two system properties to my Tomcat Server: -Djava.util.logging.manager="org.apache.juli.ClassLoaderLogManager" -Djava.util.logging.config.file="C:\apache-tomcat-5.5.28\conf\logging.properties"

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  • Incompatible Types in Initialization

    - by jack
    I have the following code in a subroutine that produces an incompatible types in initialization error on the varVal library in the subroutine evaluateExpression: NSDictionary *varVal; for (int i=0; i<varCount; i++) { [varVal setObject:[(i+1)*2 stringValue] forKey:[i stringValue]]; } double result =[[self brain] evaluateExpression:[[self brain] expression] usingVariableValues:varVal]; My subroutine declaration in the brain.h file is: +(double)evaluateExpression:(id)anExpression usingVariableValues:(NSDictionary *)variables; I'd appreciate any help.

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  • LLVM Clang 5.0 explicit in copy-initialization error

    - by kevzettler
    I'm trying to compile an open source project on OSX that has only been tested on Linux. $: g++ -v Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1 Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn) Target: x86_64-apple-da I'm trying to compile with the following command line options g++ -MMD -Wall -std=c++0x -stdlib=libc++ -Wno-sign-compare -Wno-unused-variable -ftemplate-depth=1024 -I /usr/local/Cellar/boost/1.55.0/include/boost/ -g -O3 -c level.cpp -o obj-opt/level.o I am seeing several errors that look like this: ./square.h:39:70: error: chosen constructor is explicit in copy-initialization int strength = 0, double flamability = 0, map<SquareType, int> constructions = {}, bool ticking = false); The project states the following are requirements for the Linux setup. How can I confirm I'm making that? gcc-4.8.2 git libboost 1.5+ with libboost-serialize libsfml-dev 2+ (Ubuntu ppa that contains libsfml 2: ) freeglut-dev libglew-dev

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  • strange behaviour of static method

    - by Cristian Boariu
    Hi, I load a js variable like this: var message = '<%= CAnunturi.CPLATA_RAMBURS_INFO %>'; where the static string CPLATA_RAMBURS_INFO i put like: public static string CPLATA_RAMBURS_INFO = "test"; I use it very well in this method. <script type="text/javascript"> var categoryParam = '<%= CQueryStringParameters.CATEGORY %>'; var subcategoryParam = '<%= CQueryStringParameters.SUBCATEGORY1_ID %>'; var message = '<%= CAnunturi.CPLATA_RAMBURS_INFO %>'; function timedInfo(header) { $.jGrowl(message, { header: header }); }; </script> so the message appears. I do not undersand, why, iso of "test", if i take the value from a static method, ths use of message js var is no longer succesfull (the message no longer appears). public static string CPLATA_RAMBURS_INFO = getRambursInfo(); public static string getRambursInfo() { return System.IO.File.ReadAllText(PathsUtil.getRambursPlataFilePath()); } Any help would be highly appreciated....

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  • C pointer initialization and dereferencing, what's wrong here?

    - by randombits
    This should be super simple, but I'm not sure why the compiler is complaining here. #include <stdio.h> #include <stdlib.h> int main(int argc, char *argv[]) { int *n = 5; printf ("n: %d", *n); exit(0); } Getting the following complaints: foo.c: In function ‘main’: foo.c:6: warning: initialization makes pointer from integer without a cast I just want to print the value that the pointer n references. I'm dereferencing it in the printf() statement and I get a segmentation fault. Compiling this with gcc -o foo foo.c.

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  • If I can't use datacontext in a static

    - by Richard77
    Hello, I've got this public static class MyClassHelper { DataContex db = new DataContext(); public static Type MyMethod() { //Do Something with db // such as db.myTable } } I'm getting the following error: "An object reference is required for the non-static field, method or property..." Is there anyway to get around this? How about this. I've an object that contains only integers, which is fine for all the internal functionings as it allows me to link tables. But occasionaly, I need to display some information to the user. That's why, I'd like to create a static method so it would read the integer, look up in the DB, and display a name instead of a number. I want it to be a static method so that I can use it in my View template. Thanks for helping

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  • C# Static constructors design problem - need to specify parameter

    - by Neil Dobson
    I have a re-occurring design problem with certain classes which require one-off initialization with a parameter such as the name of an external resource such as a config file. For example, I have a corelib project which provides application-wide logging, configuration and general helper methods. This object could use a static constructor to initialize itself but it need access to a config file which it can't find itself. I can see a couple of solutions, but both of these don't seem quite right: 1) Use a constructor with a parameter. But then each object which requires corelib functionality should also know the name of the config file, so this has to be passed around the application. Also if I implemented corelib as a singleton I would also have to pass the config file as a parameter to the GetInstance method, which I believe is also not right. 2) Create a static property or method to pass through the config file or other external parameter. I have sort of used the latter method and created a Load method which initializes an inner class which it passes through the config file in the constructor. Then this inner class is exposed through a public property MyCoreLib. public static class CoreLib { private static MyCoreLib myCoreLib; public static void Load(string configFile) { myCoreLib = new MyCoreLib(configFile); } public static MyCoreLib MyCoreLib { get { return myCoreLib; } } public class MyCoreLib { private string configFile; public MyCoreLib(string configFile) { this.configFile = configFile; } public void DoSomething() { } } } I'm still not happy though. The inner class is not initialized until you call the load method, so that needs to be considered anywhere the MyCoreLib is accessed. Also there is nothing to stop someone calling the load method again. Any other patterns or ideas how to accomplish this?

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  • Using NginX and Apache alongside for both static and dynamic files

    - by faridv
    Background: I've searched a lot and found these useful threads about using of Apache or NginX for static or dynamic files. But they are old (mostly about 1 or 2 years ago) and I think both webservers, specifically Nginx has had important changes in performance and usage. So I think take another look on these issue cannot be that bad. Nginx (for static files) and Apache (for dynamic content)? nginx better than apache for dynamic content? [closed] Apache or NGINX for PHP? Nginx as reverse proxy to Apache with only dynamic content? My question: I have a PHP web application with lots of dynamic files and lots of static contents (videos, images etc.) and it's currently running on a CentOS 6 server and Apache 2.2 since 2 months ago. In past few days, number of our site visitors have gained so fast and I just thought if this number continues to increase with current ratio, we need to change many things (web server, application, etc.) to prevent failures. Because of hardware limitations that we are facing, I thought that it's best for us to start with web server. Should I start with something else? Should I try to increase performance of my PHP application and forget about web server for now? (even if gonna take a long time!) Because of huge usage of .htaccess files (for redirection, rewrites, etc.), I think it's gonna be painful to migrate to NginX as default web server or maybe only for dynamic files. Does this mean that I can't even use Nginx as reverse proxy? I'm not sure latest stable version of NginX and PHP-FPM have a better performance over my current Apache and my limitations (too many things) won't let me to give it a try. Which one is doing better currently? What will I lose by migrating to Nginx? To make it short, what should I do?

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