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  • Boost::Thread linking error on OSX?

    - by gct
    So I'm going nuts trying to figure this one out. Here's my basic setup: I'm compiling a shared library with a bunch of core functionality that uses a lot of boost stuff. We'll call this library libpf_core.so. It's linked with the boost static libraries, specifically the python, system, filesystem, thread, and program_options libraries. This all goes swimmingly. Now, I have a little test program called test_socketio which is compiled into a shared library (it's loaded as a plugin at runtime). It uses some boost stuff like boost::bind and boost::thread, and it's linked again libpf_core.so (which has the boost libraries included remember). When I go to compile test_socketio though, out of all my plugins it gives me a linking error: [ Building test_socketio ] g++ -c -pg -g -O0 -I/usr/local/include -I../include test_socketio.cc -o test_socketio.o g++ -shared test_socketio.o -lpy_core -o test_socketio.so Undefined symbols: "boost::lock_error::lock_error()", referenced from: boost::unique_lock<boost::mutex>::lock() in test_socketio.o ld: symbol(s) not found collect2: ld returned 1 exit status And I'm going crazy trying to figure out why this is. I've tried explicitly linking boost::thread into the plugin to no avail, tried ensuring that I'm using the boost headers associated with the libraries linked into libpf_core.so in case there was a conflict there. Is there something OSX specific regarding boost that I'm missing? In my searching on google I've seen a number of other people get this error but no one seems to have come up with a satisfactory solution.

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  • Using linq2xml to query a single item deep within

    - by BrettRobi
    I'm wondering if there is a robust and graceful way using linq2xml to query an item deep within an xml hierarchy. For example: <?xml version="1.0" encoding="utf-8" ?> <data> <core id="01234"> <field1>some data</field1> <field2>more data</field2> <metadata> <response> <status code="0">Success</status> <content> <job>f1b5c3f8-e6b1-4ae4-905a-a7c5de3f13c6</job> <id>id of the content</id> </content> </response> </metadata> </core> </data> With this xml how do I query the value of without using something like this: var doc = XElement.Load("file.xml"); string id = (string)doc.Element("core") .Element("metadata") .Element("response") .Element("content") .Element("id"); I don't like the above approach because it is error prone (throws exception if any tag is missing in the hierarchy) and honestly ugly. Is there a more robust and graceful approach, perhaps using the sql-like syntax of linq?

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  • Implicit linking vs. explicit linking of DLL in Delphi

    - by Tom
    I'm having trouble getting my dll to work when using explicit linking. Using implicit linking it works fine. Would someone google me a solution? :) No, just kidding, here's my code: This code works fine: function CountChars(_s: Pchar): integer; StdCall; external 'sample_dll.dll'; procedure TForm1.Button1Click(Sender: TObject); begin ShowMessage(IntToStr(CountChars('Hello world'))); end; This code doesn't work (I get an access violation): procedure TForm1.Button1Click(Sender: TObject); var LibHandle: HMODULE; CountChars: function(_s: PChar): integer; begin LibHandle := LoadLibrary('sample_dll.dll'); ShowMessage(IntToStr(CountChars('Hello world'))); // Access violation FreeLibrary(LibHandle); end; This is the DLL code: library sample_dll; uses FastMM4, FastMM4Messages, SysUtils, Classes; {$R *.res} function CountChars(_s: PChar): integer; stdcall; begin Result := Length(_s); end; exports CountChars; begin end.

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  • Delete on a very deep tree

    - by Kathoz
    I am building a suffix trie (unfortunately, no time to properly implement a suffix tree) for a 10 character set. The strings I wish to parse are going to be rather long (up to 1M characters). The tree is constructed without any problems, however, I run into some when I try to free the memory after being done with it. In particularly, if I set up my constructor and destructor to be as such (where CNode.child is a pointer to an array of 10 pointers to other CNodes, and count is a simple unsigned int): CNode::CNode(){ count = 0; child = new CNode* [10]; memset(child, 0, sizeof(CNode*) * 10); } CNode::~CNode(){ for (int i=0; i<10; i++) delete child[i]; } I get a stack overflow when trying to delete the root node. I might be wrong, but I am fairly certain that this is due to too many destructor calls (each destructor calls up to 10 other destructors). I know this is suboptimal both space, and time-wise, however, this is supposed to be a quick-and-dirty solution to a the repeated substring problem. tl;dr: how would one go about freeing the memory occupied by a very deep tree? Thank you for your time.

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  • jQuery.extend() not giving deep copy of object formed by constructor

    - by two7s_clash
    I'm trying to use this to clone a complicated Object. The object in question has a property that is an array of other Objects, and each of these have properties of different types, mostly primitives, but a couple further Objects and Arrays. For example, an ellipsed version of what I am trying to clone: var asset = new Assets(); function Assets() { this.values = []; this.sectionObj = Section; this.names = getNames; this.titles = getTitles; this.properties = getProperties; ... this.add = addAsset; function AssetObj(assetValues) { this.name = ""; this.title = ""; this.interface = ""; ... this.protected = false; this.standaloneProtected = true; ... this.chaptersFree = []; this.chaptersUnavailable = []; ... this.mediaOptions = { videoWidth: "", videoHeight: "", downloadMedia: true, downloadMediaExt: "zip" ... } this.chaptersAvailable = []; if (typeof assetValues == "undefined") { return; } for (var name in assetValues) { if (typeof assetValues[name] == "undefined") { this[name] = ""; } else { this[name] = assetValues[name]; } } ... function Asset() { return new AssetObj(); } ... function getProperties() { var propertiesArray = new Array(); for (var property in this.values[0]) { propertiesArray.push(property); } return propertiesArray; } ... function addAsset(assetValues) { var newValues; newValues = new AssetObj(assetValues); this.values.push(newValues); } } When I do var copiedAssets = $.extend(true, {}, assets); copiedAssets.values == [], while assets.values == [Object { name="section_intro", more...}, Object { name="select_textbook", more...}, Object { name="quiz", more...}, 11 more...] When I do var copiedAssets = $.extend( {}, assets); all copiedAssets.values.[X].properties are just pointers to the value in assets. What I want is a true deep copy all the way down. What am I missing? Do I need to write a custom extend function? If so, any recommended patterns?

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  • Problems linking to social networks in Windows 8

    - by Andrew Cooper
    I've upgraded my laptop to Windows 8 (from Windows 7) and I'm having problems with getting information to show in the People and Messaging apps. I've linked my Facebook, Twitter and LinkedIn accounts to my Live Id, and on Windows 7 I was able to see my Friends' facebook activity in Windows Live Messenger. In the Windows 8 People app I can see all my contacts from Facebook, Twitter and LinkedIn, and I can see the on-line status of at least my Facebook contacts. I can also see the profiles details of each contact, but I don't get anything in the "What's New" view. The Messaging app is just blank. I assume I should be able to send messages to my contacts, but I can't see any way to do it. Am I missing something?

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  • Windows Boot Manager, linking a 'device' to boot linux

    - by TheCompander
    I'm attempting to boot linux on a UEFI-GPT machine with a Windows Boot Manager (WBM). So far I have installed Archlinux (Arch) with Grub. The grubx64.efi is successfully on my windows boot partition and I can see the option to use it in UEFI-BIOS, selecting this loads grub and I'm able to get into Arch fine. I have noticed that in the Windows Boot Manager, selecting from the splash screen, 'Change defaults or choose other options' 'Choose other options' 'Use a device', shows the boot options as in UEFI-BIOS, in my case grub shows as 'Linux'. Selecting 'Linux' reboots the computer and loads grub then Arch. Is there anyway to use this entry for the device 'Linux' to show directly on the WBM splash screen under the entry for Windows 8.1? Ideally i'd like the 'Arch Linux' to link to the 'Linux' device. Guidance with bcdedit appreciated, thanks in advance.

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  • Linking "Wave Volume" to "Main Speaker Volume"

    - by ZorbaTHut
    I've got a Logitech keyboard and a digital sound device. The Logitech keyboard has a little volume wheel that sets the Main Speaker Volume. The digital sound device ignores the Main Speaker Volume and only pays attention to Wave Volume. See the issue? I'm looking for a program that can link Wave Volume to Main Speaker Volume. The closest I've found is a little utility named VolumeTracker, but it eats an entire CPU core, which is a bit much for a program of this functionality. Alternatively, I'd take a way to make the standard Logitech drivers change Wave Volume instead of Main Speaker Volume.

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  • Linking JIRA and Confluence

    - by William
    I am trying to create a trust relationship between JIRA and Confluence so that I can insert JIRA issues into Confluence documents. However, in JIRA, when I try to initiate the relationship, I receive the error: "Unable to auto-configure a Consumer as the remote Consumer-Info count not be found.". When I attempt to create the relationship from Confluence, I receive this error: "Unable to auto-configure a Consumer as the remote Consumer-Info could not be found." What am I doing wrong here?

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  • Problem linking two Cisco routers with a static route

    - by Chris Kaczor
    I'm trying to link two Cisco routers with a static route and I haven't been able to get it working as expected. Here is the basic setup: Router 1 - WRV210 - 192.168.1.1 - connected to cable modem Router 2 - RV120W - 192.168.2.1 I already have several machines on Router 1 that are working and I want to setup Router 2 with a few other machines on the different subnet. Here is what I've configured: Connected the WAN port on Router 2 to a LAN port on Router 1 Configured Router 1 to give 192.168.1.2 to Router 2 via DHCP Configured Router 1 with a static route (192.168.2.0 mask 255.255.255.0) to 192.168.1.2 using the LAN & Wireless interface Disabled the firewall on Router 2 (since it is covered by Router 1) Configured Router 2 to "Router" mode instead of "NAT" mode Configured Router 2 with a static route (192.168.1.0 mask 255.255.255.0) to 192.168.1.1 using the WAN interface From the research I've done I think that should be enough but things aren't working exactly as expected: Router 2 can ping 192.168.1.1 and 192.168.1.101 (a machine on router 1) A machine on Router 2 can ping 192.168.1.1 and 192.168.1.101 (a machine on router 1) ping 192.168.1.1 and 192.168.1.101 (a machine on router 1) Router 1 can NOT ping 192.168.2.1 or 192.168.2.101 (a machine on router 2) A machine on Router 1 can NOT ping 192.168.2.1 or 192.168.2.101 (a machine on router 2) can NOT ping 192.168.2.1 or 192.168.2.101 (a machine on router 2) Router 1 and a machine on Router 1 can ping 192.168.1.2 (Router 2 itself) I'm confused as to why Router 1 cannot talk to the 192.168.2.0/255.255.255.0 subnet. Any help would be greatly appreciated.

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  • Linking FreeNAS Boxes

    - by John
    I have two different FreeNAS boxes that are being used for storage. It is possible to link them in a manner that the linked connection can be presented as a single storage destination for clients? For example, I have one FreeNAS installation that has 6 TB of storage and another one that has 4 TB of storage. I would like to be able to present or have a single mapped drive for clients that would be able to span across both of them; however, the client would only see it as one drive. Is this possible? If not, is there a different way I should be approaching this problem? Is there a different OS distribution that would work better for this?

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  • Linking to network shares from Sharepoint pages

    - by Russell C
    So the place I work decided to set up a Microsoft Sharepoint 2010 server for task management and I (as the lowly entry-level intern) have been tasked with "figuring it out." One thing that the end users really, really, really, want is the ability to link to network shares (that are readable by anyone who will be using sharepoint) from a Sharepoint web page. In order to do this, I have edited the HTML manually with several lines that look like the following: <a href="file://server/share">Server Share</a> This works (sometimes) but the link reported by Sharepoint is often wrong and editing pages that contain these links will mangle the code such that when I open it, the code no longer looks like what it did when I last hit save (breaking all those links). Obviously this is not sustainable. I've been told by coworkers that "It worked that way at the last place I worked" but I haven't found out how yet. Any ideas on how this would work or am I barking up the wrong tree? None of the knowledge searches I've done shed any light on the sitataion. Thanks for any help! -Russell P.S. It should be noted that the file option in an href tag ONLY works in IE (which is a real bummer since we mostly use Firefox).

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  • Linking to a chat room via XMPP: URI

    - by Coderer
    I found out how to link directly to a chat room on a Jabber conference server -- it took a bit of digging, and I wound up actually looking at the spec before I was sure I was doing it right. I confirmed here, so I'm pretty sure I've got it. The results, though, are puzzling. If I click a link of the style xmpp:[email protected] I get a new chat session with user "dude" at example.com, as expected. If I tack on a nonsense query (xmpp:[email protected]?foobar), it's ignored, which is what the spec says should happen. However, if I use xmpp:[email protected]?join, as in the link above, nothing happens. I dug a little deeper, and found out that on my (Linux) system, xmpp URIs are handled via purple-url-handler, so I dropped to a terminal and ran it manually. The result was that any xmpp URI ran fine except one that includes a ?join query. The ?join query results in a dbus crash, pointing specifically to line 2356 of dbus-message.c -- a little Googling suggests this probably is dbus's less-than-elegant way of telling me that somebody is using dbus incorrectly. Am I crafting my link correctly? Is this an OS or maybe application issue? Does this work on other platforms / browsers / etc? More importantly, is there any easy way to fix it?

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  • Linking RSA with Logstash etc

    - by Anuj
    i was wondering whether we can use logstash or any other opn source or free Log management too to collect,index the data and then feed this index into RSA envision or any other enterprise SIEM tool. Will this be beneficial in any way? Also are the indexes of various Log Management and SIEM tools -- splunk,RSA envision,HP Arcsight Logger and Logstash etc compatiable with each other. My organization is planning to buy RSA envision appliance and is there any way to restrict or select only certian type of log files eg: security logs or apache logs .. so that onlt those are monitored and this will reduce the EPS(events per second).

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  • Linking to lua libraries w/ codeblocks on linux

    - by person
    After I downloaded the source for lua, I followed the install instructions, doing... make linux install make generic install I've also done the make test and it passes, printing out Hello World, from Lua 5.1. However, I can't link to the lua libraries in CodeBlocks. I know where lualib.a is (usr/local/lib) which I set in my Search Directories for the linker. I still get error messages like... undefined reference to lua_isstring Am I missing something critical here? P.S. I had this running on Windows via Visual Studio.

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  • Excel - Linking multiple source spreadsheets with variable amounts of rows to a destination spreadsh

    - by Emilio
    I have multiple source spreadsheets, each with a variable number of rows. An example might be one spreadsheet per bank account, with one row for each transaction, with a date and amount. One spreadsheet might have 30 rows, the other 50, and so on. I want to create another spreadsheet which links to the various source spreadsheets and lists an aggregate of all transactions from all sources. So if 3 source sheets with 30, 50 and 20 rows respectively, the destination sheet would have 100 rows. The number of rows (transactions) in the source sheets can grow or shrink over time. I'd like the destination sheet to show one contiguous list of transactions without gaps (spaces). How can I do this?

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  • YouTube style linking inside HTML5 Video player

    - by Barney
    After a video has played on YouTube, often there will be a follow up link after the video has finished playing in the form of related videos. I'm looking to implement similar into my HTML5 Video. It would look something like this: At the moment, it seems there is nothing in the W3C spec for this (Links inside HTML5 video). Could anyone advise on a method of achieving? I have 50-100 videos on my site on which I would like to implement. Currently I'm thinking a Javascript callback which initiates the Call to action buttons, though I have a feeling this could get complicated...

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  • Godaddy : linking domain name to IP address

    - by Lokpere
    I just bought a domain name for my web site from GoDaddy. the content of the site is available at a public IP address. how do I link my domain name to the IP address ? how do I make it so that when someone types in my domain name, the content of the web server is displayed ? thanks.

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  • Linking two networks that have a common device

    - by Serban Razvan
    I recently bought a Samsung Smart TV having in mind to connect it to the Internet. Because my router is very far from it and not wanting to buy an expensive wireless for the TV, I created a homemade solution. I have the laptop (an smartphone and the PC) connected to the router which is connected to the internet. I shared the laptop's wireless connection to the ethernet port which I connected to the TV. So far, the TV is connected to the internet, but is there any way to make him part of the router's network instead of the 2 devices network (the laptop and the TV)?

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  • linking Office 365 and ADFS on Azure

    - by Gaurav
    i am trying to link my ADFS to Office 365 in order to set up Single Sign On for Office 365. I am going over this blog post. at Step 5, i am supposed to run Powershell commands so i can connect the ADFS to Office 365. Set-MsolAdfscontext -Computer <AD FS server FQDN> Convert-MsolDomainToFederated -DomainName <domain name> i am unable to determine the FQDN for the ADFS server. i searched around a lot on the web, but was not able to locate the solution. i am just getting started with all configuration of ADFS and Office 365, but was not able to find out a solution. any answers?

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  • Need advise on linking apache and tomcat

    - by hsnm
    I have been searching this for hours with no luck. I have a web server that uses https on Apache2. I also have installed tomcat7 on the same server to run some Java webapp on it. I need to keep my https port 443 on Apache but forward the requests to the Java webapp to tomcat. I tried to use mod_jk to redirect the requests to tomcat but I failed. Most tutorials talk about redirecting plain http requests not https. I also could not let tomcat use https on 8443. I'm following the steps here but facing errors. The question: Can I redirect https traffic to tomcat without installing https on tomcat? Is there a good tutorial you can recommend to me?

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  • three20 linking error

    - by neha
    Hi all, After following all the instructions on http://three20.info/setup/existing to integrate three20 library into my project. I'm getting this linking error: duplicate symbol _TTCreateNonRetainingArray in /test Justmeans Photos App/Three20/Build/Products/Debug-iphonesimulator/libThree20Core.a(TTGlobalCore.o) and /test Justmeans Photos App/Three20/Build/Products/Debug-iphonesimulator/libThree20.a(TTGlobalCore.o) three20 static library Can anybody please help me make out this? Thanx in advance.

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  • Jquery: Datalink - Data linking

    - by Pickels
    I was trying out the Jquery Data linking proposal from Microsoft and noticed something strange. My objects get this extra property and I was wondering what the reason for that is. I first thought it was a mistake I made but I noticed their demo page does the same thing This is the json result of my objects: [{ "propertyName":"ProductNamese", "controlType":"Text", "jQuery1274021322131":6 }, { "propertyName":"Price", "controlType":"Number", "jQuery1274021322131":9 }, { "propertyName":"Description", "controlType":"TextArea", "jQuery1274021322131":12 } ] The property I am talking about is "jQuery1274021322131".

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  • OSX/Darwin unresolved symbols when linking functions from <math.h>

    - by tbone
    I'm in the process of porting a large'ish (~1M LOC) project from a Window/Visual Studio environment to other platforms, the first of which happens to be Mac OS X. Originally the project was configured as Visual Studio solutions and projects, but now I'm using (the excellent) Premake (http://industriousone.com/premake) to generate project files for multiple platforms (VS, XCode, GMake). I configured, ported and built the first few projects without any significant problems, but having ported the math lib, I ran into this weird linking error that I haven't been able to resolve: Any functions used from math.h will fail to link (causing unresolved symbols). For reference, I'm using Premake v4.2.1 to generate projects for XCode v3.2.1, which is building using gcc v4.2 for the x86_64 architecture. (All this on 64-bit Snow Leopard) I've tried to persuade gcc to link and build everything against a 'known' SDK by adding -isysroot /Developer/SDKs/MacOSX10.6.sdk -mmacosx-version-min=10.6 to the build command line. Now under normal circumstances, adding -lm should take care of this, however in Darwin, those math libs are included in libSystem, which, as far as I can tell, gets implicitly linked by gcc/ld. I've tried creating a dummy project from within XCode which just runs: float f = log2(2.0)+log2f(3.f)+log1p(1.1)+log1pf(1.2f)+sin(8.0); std::cout << f << std::endl; and as expected, this builds just fine. However, if I put the same thing in the code inside the Premake generated project, all those math functions end up unresolved. Now comparing the linking command from the 'native' XCode project with my generated XCode project, they seem pretty identical (except that my generated project links other libs as well). 'Native' project: /Developer/usr/bin/g++-4.2 -arch x86_64 -dynamiclib -isysroot /Developer/SDKs/MacOSX10.6.sdk -Lsomepath -Fsomepath -filelist somefile -install_name somename -mmacosx-version-min=10.6 -single_module -compatibility_version 1 -current_version 1 -o somename Generated project: /Developer/usr/bin/g++-4.2 -arch x86_64 -dynamiclib -Lsomepath -Fsomepath -filelist somefile -install_name somename -isysroot /Developer/SDKs/MacOSX10.6.sdk -mmacosx-version-min=10.6 somelib.a somelib2.a somelib.dylib somelib2.dylib -single_module -compatibility_version 1 -current_version 1 -o somename Any help or hints about how to proceed would be most appreciated. Are there any gcc flags or other tools that can help me resolve this?

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  • linking c++ sources in iPhone project

    - by Steve918
    I have a single cpp file added to my iPhone project with a .cpp extension, but I'm seeing errors when linking like: operator new[](unsigned long)", referenced from: ___gxx_personality_sj0", referenced from: I thought as long as I named the cpp files with .cpp or .mm it would do the right thing, do I need to add some linker flags? Update: Complete Build log: http://dpaste.org/tXAy/ The C++ code: unzip.h unzip.cpp

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