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• How can I get non-programmer colleagues on board with bespoke software rather than Dynamics CRM + Sharepoint?

  - by Bendos

  I am working with a company which designs and builds one-off machines. They have been 'dabbling' with hosted Dynamics CRM and Sharepoint (on different servers!) in an attempt to centralise their data and help colleagues collaborate more effectively across projects. They haven't used either system to their potential. Now we are looking at the engineering department who already use a form of version control software for the various CAD files (Autodesk Vault) however it is becoming increasingly necessary to implement more of a generic file version control system as they use many more files than can be managed in Vault (sometimes just photos or scans of paper documents), hence why they were looking at using Sharepoint. However... as the 'programmer' of the bunch, I can see several scenarios which don't seem to fit well with the Dynamics + Sharepoint approach; simple reports based on cross-table queries, exporting certain metrics as a spreadsheet, defining project hierarchies and many-many relationships, and as such I have been pushing for an in-house developed 'ECM' / 'ERP' software package (perhaps in .NET or php). Some colleagues seem to attach a greater value to the MS software (perhaps becuase it has a logo!) but don't see that it's just a framework, not a solution. Can anyone provide a good example of when custom software would actually be better than using Dynamics + Sharepoint and how do I relate that to non-technical staff?

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• How can I port msvc++ code with non-dependent names in templates to Linux?

  - by user352382

  I can deal with porting platform dependent functions. I have a problem that the compilers I tried on Linux (clang and g++) do not accept the following code, while the msvc++ compiler does: template <class T> class Base { protected: T Value; }; template <class T> class Derived : public Base<T> { public: void setValue(const T& inValue){ Value = inValue; } }; int main(int argc, char const *argv[]) { Derived<int> tmp; tmp.setValue(0); return 0; } g++ error: main.cpp: In member function ‘void Derived<T>::setValue(const T&)’: main.cpp:11:3: error: ‘Value’ was not declared in this scope I believe this due to the use of a non-dependent name (Value) in the second class. More information. The problem is that I have a very large code base, in which this type of code is used very often. I understand that it is wrong when looking at the standard. However it is very convenient not having to write this-> or Base<T>:: in front of every use of Value. Even writing using Base<T>::Value; at the start of the derived class is problematic when you use ~20 members of the base class. So my question is: are there compilers for Linux that allow this kind of code (with or without extra compiler switches)? Or are there small modifications that will allow this code to compile on Linux?

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• How should a non-IT manager secure the long-term maintenance and development of essential legacy software?

  - by user105977

  I've been hunting for a place to ask this question for quite a while; maybe this is the place, although I'm afraid it's not the kind of "question with an answer" this site would prefer. We are a small, very specialized, benefits administration firm with an extremely useful, robust collection of software, some written in COBOL but most in BASIC. Two full-time consultants have ably maintained and improved this system over more than 30 years. Needless to say they will soon retire. (One of them has been desperate to retire for several years but is loyal to a fault and so hangs on despite her husband's insistence that golf should take priority.) We started down the path of converting to a system developed by one of only three firms in the country that offer the type of software we use. We now feel that although this this firm is theoretically capable of completing the conversion process, they don't have the resources to do so timely, and we have come to believe that they will be unable to offer the kind of service we need to run our business. (There's nothing like being able to set one's own priorities and having the authority to allocate one's resources as one sees fit.) Hardware is not a problem--we are able to emulate very effectively on modern servers. If COBOL and BASIC were modern languages, we'd be willing to take the risk that we could find replacements for our current consultants going forward. It seems like there ought to be a business model for an IT support firm that concentrates on legacy platforms like this and provides the programming and software development talent to support a system like ours, removing from our backs the risks of finding the right programming talent and the job of convincing younger programmers that they can have a productive, rewarding career, in part in an old, non-sexy language like BASIC. Where do I find such firms?

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• Delphi OLE - How to avoid errors like "The requested member of the collection does not exist"?

  - by Edwin

  Hi, I'm automating Word with Delphi, but some times I got an error message: The requested member of the collection does not exist It seems that the Item member of the Styles collection class does not always exist and some times causes the above mentioned error. My workaround is to catch the exception and skip it, but is there anyway to detect it instead of using the try...except block? The problem with the try...except block is that when debugging the raised exception is annoying... My code example: var aWordDoc: _WordDocument i: Integer; ovI: OleVariant; wordStyle: Style; begin for i := 1 to aWordDoc.Styles.Count do begin ovI := i; try wordStyle := aWordDoc.Styles.Item(ovI); except Continue;//skip if any error occurred. end; //do something with wordStyle end; end

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• In the FullCalendar dayClick event, can I get the events that already exist in clicked date?

  - by zawmn83

  In the FullCalendar dayClick event, can I get the events that already exist in clicked date? http://arshaw.com/fullcalendar/docs/mouse/dayClick/

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• How do I switch to a SQL Server Server Database that will exist after another command?

  - by Jason Young

  I can't get this script to run, because SQL management studio 2008 says the table "NewName" does not exist. However, the script's purpose is to rename an existing database, so that it does exist when it gets to that line. Ideas? Use Master; ALTER DATABASE OldName SET SINGLE_USER WITH NO_WAIT; ALTER DATABASE OldName MODIFY NAME = NewName; ALTER DATABASE NewName SET MULTI_USER; Use NewName; --THIS LINE FAILS BEFORE THE SCRIPT EVEN RUNS!

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• Watir question regarding exist on a class for testing purposes.

  - by AJ

  I have a button on my page that changes depending on what radio button is clicked. The button has the same text on it with the same id, but different classes. How do I test if the two different buttons exist depending on the radio. <a id="submit" class="on" href="javascript:submit();">Submit</a> <a id="submit" class="off" href="javascript:submit();">Submit</a> How do i test if the second button appears instead of the first one. I used something like, browser.link(:text, 'Submit').exist? but this doesn't work cause it will return true no matter what. thanks

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• What's a good algorithm for searching arrays N and M, in order to find elements in N that also exist

  - by GenTiradentes

  I have two arrays, N and M. they are both arbitrarily sized, though N is usually smaller than M. I want to find out what elements in N also exist in M, in the fastest way possible. To give you an example of one possible instance of the program, N is an array 12 units in size, and M is an array 1,000 units in size. I want to find which elements in N also exist in M. (There may not be any matches.) The more parallel the solution, the better. I used to use a hash map for this, but it's not quite as efficient as I'd like it to be. Typing this out, I just thought of running a binary search of M on sizeof(N) independent threads. (Using CUDA) I'll see how this works, though other suggestions are welcome.

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• is there anything exist to convert xml -> yaml directly?

  - by shahjapan

  is there any library or way exist from which I can convert my xml records to yaml format ?

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• how to write or create(when no exist) a file using python..

  - by zjm1126

  this is my code: f = open('text/a.log', 'wb') f.write('hahaha') f.close() and it is not create a new file when not exist how to do this , thanks

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• Do programmable Ethernet devices (think onboard CPU) really exist?

  - by PeterM

  I've heard from various people that programmable Ethernet cards exist and are easily available. However I have yet to be able to track down one of these mythical devices so I'm wondering if they're just that - a myth. Such a programmable card has a gigabit Ethernet interface, has a programmable CPU and connects to the host system via PCI Express. The problem area these cards address are low latency network applications where the card itself does the work and "reports back" to the operating system. Basically the card acts as a co-processor and handles all the low latency requirements on the card, thus avoiding the issues of writing low latency code in user-land - think 0.4ms - 0.5ms response times. So my question is, do these cards really exist and if so, where can I get my hands on one?

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• Solaris 11 pkg fix is my new friend

  - by user12611829

  While putting together some examples of the Solaris 11 Automated Installer (AI), I managed to really mess up my system, to the point where AI was completely unusable. This was my fault as a combination of unfortunate incidents left some remnants that were causing problems, so I tried to clean things up. Unsuccessfully. Perhaps that was a bad idea (OK, it was a terrible idea), but this is Solaris 11 and there are a few more tricks in the sysadmin toolbox. Here's what I did. # rm -rf /install/* # rm -rf /var/ai # installadm create-service -n solaris11-x86 --imagepath /install/solaris11-x86 \ -s [email protected] Warning: Service svc:/network/dns/multicast:default is not online. Installation services will not be advertised via multicast DNS. Creating service from: [email protected] DOWNLOAD PKGS FILES XFER (MB) SPEED Completed 1/1 130/130 264.4/264.4 0B/s PHASE ITEMS Installing new actions 284/284 Updating package state database Done Updating image state Done Creating fast lookup database Done Reading search index Done Updating search index 1/1 Creating i386 service: solaris11-x86 Image path: /install/solaris11-x86 So far so good. Then comes an oops..... setup-service[168]: cd: /var/ai//service/.conf-templ: [No such file or directory] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ This is where you generally say a few things to yourself, and then promise to quit deleting configuration files and directories when you don't know what you are doing. Then you recall that the new Solaris 11 packaging system has some ability to correct common mistakes (like the one I just made). Let's give it a try. # pkg fix installadm Verifying: pkg://solaris/install/installadm ERROR dir: var/ai Group: 'root (0)' should be 'sys (3)' dir: var/ai/ai-webserver Missing: directory does not exist dir: var/ai/ai-webserver/compatibility-configuration Missing: directory does not exist dir: var/ai/ai-webserver/conf.d Missing: directory does not exist dir: var/ai/image-server Group: 'root (0)' should be 'sys (3)' dir: var/ai/image-server/cgi-bin Missing: directory does not exist dir: var/ai/image-server/images Group: 'root (0)' should be 'sys (3)' dir: var/ai/image-server/logs Missing: directory does not exist dir: var/ai/profile Missing: directory does not exist dir: var/ai/service Group: 'root (0)' should be 'sys (3)' dir: var/ai/service/.conf-templ Missing: directory does not exist dir: var/ai/service/.conf-templ/AI_data Missing: directory does not exist dir: var/ai/service/.conf-templ/AI_files Missing: directory does not exist file: var/ai/ai-webserver/ai-httpd-templ.conf Missing: regular file does not exist file: var/ai/service/.conf-templ/AI.db Missing: regular file does not exist file: var/ai/image-server/cgi-bin/cgi_get_manifest.py Missing: regular file does not exist Created ZFS snapshot: 2012-12-11-21:09:53 Repairing: pkg://solaris/install/installadm Creating Plan (Evaluating mediators): | DOWNLOAD PKGS FILES XFER (MB) SPEED Completed 1/1 3/3 0.0/0.0 0B/s PHASE ITEMS Updating modified actions 16/16 Updating image state Done Creating fast lookup database Done In just a few moments, IPS found the missing files and incorrect ownerships/permissions. Instead of reinstalling the system, or falling back to an earlier Live Upgrade boot environment, I was able to create my AI services and now all is well. # installadm create-service -n solaris11-x86 --imagepath /install/solaris11-x86 \ -s [email protected] Warning: Service svc:/network/dns/multicast:default is not online. Installation services will not be advertised via multicast DNS. Creating service from: [email protected] DOWNLOAD PKGS FILES XFER (MB) SPEED Completed 1/1 130/130 264.4/264.4 0B/s PHASE ITEMS Installing new actions 284/284 Updating package state database Done Updating image state Done Creating fast lookup database Done Reading search index Done Updating search index 1/1 Creating i386 service: solaris11-x86 Image path: /install/solaris11-x86 Refreshing install services Warning: mDNS registry of service solaris11-x86 could not be verified. Creating default-i386 alias Setting the default PXE bootfile(s) in the local DHCP configuration to: bios clients (arch 00:00): default-i386/boot/grub/pxegrub Refreshing install services Warning: mDNS registry of service default-i386 could not be verified. # installadm create-service -n solaris11u1-x86 --imagepath /install/solaris11u1-x86 \ -s [email protected] Warning: Service svc:/network/dns/multicast:default is not online. Installation services will not be advertised via multicast DNS. Creating service from: [email protected] DOWNLOAD PKGS FILES XFER (MB) SPEED Completed 1/1 514/514 292.3/292.3 0B/s PHASE ITEMS Installing new actions 661/661 Updating package state database Done Updating image state Done Creating fast lookup database Done Reading search index Done Updating search index 1/1 Creating i386 service: solaris11u1-x86 Image path: /install/solaris11u1-x86 Refreshing install services Warning: mDNS registry of service solaris11u1-x86 could not be verified. # installadm list Service Name Alias Of Status Arch Image Path ------------ -------- ------ ---- ---------- default-i386 solaris11-x86 on i386 /install/solaris11-x86 solaris11-x86 - on i386 /install/solaris11-x86 solaris11u1-x86 - on i386 /install/solaris11u1-x86 This is way way better than pkgchk -f in Solaris 10. I'm really beginning to like this new IPS packaging system.

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• How to enable hard-blocked bluetooth in Thinkpad Edge 320

  - by Non

  I'm trying to use the built-in bluetooth device of my Lenovo Thinkpad E320. It seems to be hard blocked, but i can't find any possibility to unblock it. rfkill list returns: 0: tpacpi_bluetooth_sw: Bluetooth Soft blocked: yes Hard blocked:yes cat /proc/acpi/ibm/bluetooth returns: status: disabled commands: enable, disable I tried to enable it by: Pressing Fn+F9 (Radio controll) echo enable | tee /proc/acpi/ibm/bluetooth rfkill unblock bluetooth Trough the BIOS. But it's not mentioned at all None of the actions influenced the ouputs above.

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• How to handle this unfortunately non hypothetical situation with end-users?

  - by User Smith

  I work in a medium sized company but with a very small IT force. Last year (2011), I wrote an application that is very popular with a large group of end-users. We hit a deadline at the end of last year and some functionality (I will call funcA from now on) was not added into the application that was wanted at the very end. So, this application has been running in live/production since the end of 2011, I might add without issue. Yesterday, a whole group of end-users started complaining that funcA that was never in the application is no longer working. Our priority at this company is that if an application is broken it must be fixed first prior to prioritized projects. I have compared code and queries and there is no difference since 2011, which is proofA. I then was able to get one of the end-users to admit that it never worked proofB, but since then that end-user has went back and said that it was working previously......I believe the horde of end-users has assimilated her. I have also reviewed my notes for this project which has requirements and daily updates regarding the project which specifically states, "funcA not achieved due to time constraints", proofC. I have spoken with many of them and I can see where they could be confused as they are very far from a programming background, but I also know they are intelligent enough to act in a group in order to bypass project prioritization orders in order to get functionality that they want to make their job easier. The worst part is is that now group think is setting in and my boss and the head of IT is actually starting to believe them, even though there is no code or query changes. As far as reviewing the state of the logic it is very cut and dry to the point of if 1 = 1, funcA will not work. So, this is the end of the description of my scenario, but I am trying not to get severally dinged on my performance metrics due to this which would essentially have me moved to fixing a production problem that doesn't exist that will probably take over 1 month. I am looking for direct answers to this question. This question is not for rants, polling, or discussions as this is not the format for StackExchange. Please don't downvote me too terribly it is pretty common on this specific site of stack, I am looking for honest answers to this situation and I couldn't find a forum more appropriate.

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• How to explain bad software to non-technical people?

  - by mtutty

  In discussing software development with non-technical people (customers, business owners, project sponsors, etc.), I often resort to analogies and metaphors. It's relatively easy and effective to use a "house" or other metaphor for describing the size and complexity of new development. However, we often inherit someone else's code or data, and this approach doesn't seem to hold up as well when trying to explain why we're gutting something that already seems to work. Of course we can point to cycle time and cost to be saved in the future but this generally means nothing to business folks. I know doctors can say "just take this pill," but I'm not sure that software devs have the same authority. Ideas? EDIT: Let me add a bit to the discussion. The specific project I'm talking about has customers that don't realize (or care) about specific aspects of the system we're retiring (i.e., they think it was just fine): The system would save a NEW RECORD every time someone updated a field The system contained tables for reference data. These tables had new records added every day, even though they were duplicates of previous records. And there was no way to tie the reference data used for a particular case at the time it was closed. This is like 99% of the data in the old system. The field NAMES also have spaces, apostrophes and other inappropriate characters in them, making everything harder to work with. In addition to the incredible amount of duplicate data, they have around 1000 XLS files with data they want added to the system. Previously, they would do a spreadsheet for each case in the database, IN ADDITION TO what they typed into the database. Getting rid of this old, unneeded information and piping in the XLS data comprises about 80% of the total project effort, and was not something we could accurately predict. I'm trying to find a concrete way to describe how bad this thing was, mostly so that the customer will understand why the migration process has been so time-consuming. The actual coding was done pretty quickly and the new system works fine, but without the old data they won't be happy. Sorry to get into the weeds, but most of the answers I've seen so far are pretty basic scope/schedule/cost things. I've been doing this for 15 years, so this really is more of a reflective, philosophical question - but without some of the details it can be difficult to really appreciate the awful beauty of this problem.

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• Are these non-standard applications of rendering practical in games?

  - by maul

  I've recently got into 3D and I came up with a few different "tricky" rendering techniques. Unfortunately I don't have the time to work on this myself, but I'd like to know if these are known methods and if they can be used in practice. Hybrid rendering Now I know that ray-tracing is still not fast enough for real-time rendering, at least on home computers. I also know that hybrid rendering (a combination of rasterization and ray-tracing) is a well known theory. However I had the following idea: one could separate a scene into "important" and "not important" objects. First you render the "not important" objects using traditional rasterization. In this pass you also render the "important" objects using a special shader that simply marks these parts on the image using a special color, or some stencil/depth buffer trickery. Then in the second pass you read back the results of the first pass and start ray tracing, but only from the pixels that were marked by the "important" object's shader. This would allow you to only ray-trace exactly what you need to. Could this be fast enough for real-time effects? Rendered physics I'm specifically talking about bullet physics - intersection of a very small object (point/bullet) that travels across a straight line with other, relatively slow-moving, fairly constant objects. More specifically: hit detection. My idea is that you could render the scene from the point of view of the gun (or the bullet). Every object in the scene would draw a different color. You only need to render a 1x1 pixel window - the center of the screen (again, from the gun's point of view). Then you simply check that central pixel and the color tells you what you hit. This is pixel-perfect hit detection based on the graphical representation of objects, which is not common in games. Afaik traditional OpenGL "picking" is a similar method. This could be extended in a few ways: For larger (non-bullet) objects you render a larger portion of the screen. If you put a special-colored plane in the middle of the scene (exactly where the bullet will be after the current frame) you get a method that works as the traditional slow-moving iterative physics test as well. You could simulate objects that the bullet can pass through (with decreased velocity) using alpha blending or some similar trick. So are these techniques in use anywhere, and/or are they practical at all?

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• Microsoft SSIS Service: Registry setting specifying configuration file does not exist.

  - by mbrc

  Microsoft SSIS Service: Registry setting specifying configuration file does not exist. Attempting to load default config file. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. this is my MsDtsSrvr.ini.xml <?xml version="1.0" encoding="utf-8"?> <DtsServiceConfiguration xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <StopExecutingPackagesOnShutdown>true</StopExecutingPackagesOnShutdown> <TopLevelFolders> <Folder xsi:type="SqlServerFolder"> <Name>MSDB</Name> <ServerName>.\SQL2008</ServerName> </Folder> <Folder xsi:type="FileSystemFolder"> <Name>File System</Name> <StorePath>..\Packages</StorePath> </Folder> </TopLevelFolders> </DtsServiceConfiguration> i found here http://msdn.microsoft.com/en-us/library/ms137789.aspx that i need to update my registry. Only entry at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server\100\SSIS\ServiceConfigFile is (Default) with no value. what i must add in registry that i will not get this error any more?

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• Getting Error while running RED5 server - class path resource [red5.xml] cannot be opened because it does not exist

  - by sunil221

  HI , I have installed java version "1.6.0_14" and Ant version 1.8.2 for red5 Server. when i am trying to run red5 server i am getting the following error please help Root: /usr/local/red5 Deploy type: bootstrap Logback selector: org.red5.logging.LoggingContextSelector Setting default logging context: default 11:27:39.838 [main] INFO org.red5.server.Launcher - Red5 Server 1.0.0 RC1 $Rev: 4171 $ (http://code.google.com/p/red5/) Red5 Server 1.0.0 RC1 $Rev: 4171 $ (http://code.google.com/p/red5/) SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/usr/local/red5/red5.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/usr/local/red5/lib/logback-classic-0.9.26.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. 11:27:39.994 [main] INFO o.s.c.s.FileSystemXmlApplicationContext - Refreshing org.springframework.context.support.FileSystemXmlApplicationContext@39d85f79: startup date [Mon Dec 21 11:27:39 EST 2009]; root of context hierarchy 11:27:40.149 [main] INFO o.s.b.f.xml.XmlBeanDefinitionReader - Loading XML bean definitions from class path resource [red5.xml] Exception org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [red5.xml]; nested exception is java.io.FileNotFoundException: class path resource [red5.xml] cannot be opened because it does not exist Bootstrap complete

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• Getting Error while running RED5 server - class path resource [red5.xml] cannot be opened because it does not exist

  - by sunil221

  HI , I have installed java version "1.6.0_14" and Ant version 1.8.2 for red5 Server. when i am trying to run red5 server i am getting the following error please help Root: /usr/local/red5 Deploy type: bootstrap Logback selector: org.red5.logging.LoggingContextSelector Setting default logging context: default 11:27:39.838 [main] INFO org.red5.server.Launcher - Red5 Server 1.0.0 RC1 $Rev: 4171 $ (http://code.google.com/p/red5/) Red5 Server 1.0.0 RC1 $Rev: 4171 $ (http://code.google.com/p/red5/) SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/usr/local/red5/red5.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/usr/local/red5/lib/logback-classic-0.9.26.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. 11:27:39.994 [main] INFO o.s.c.s.FileSystemXmlApplicationContext - Refreshing org.springframework.context.support.FileSystemXmlApplicationContext@39d85f79: startup date [Mon Dec 21 11:27:39 EST 2009]; root of context hierarchy 11:27:40.149 [main] INFO o.s.b.f.xml.XmlBeanDefinitionReader - Loading XML bean definitions from class path resource [red5.xml] Exception org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [red5.xml]; nested exception is java.io.FileNotFoundException: class path resource [red5.xml] cannot be opened because it does not exist Bootstrap complete

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• Why is crontab giving "No such file or directory" error when the file DOES exist?

  - by fettereddingoskidney

  I am getting the following three lines in an error message in /var/mail/username after the following job runs in crontab... 15 * * * * /Applications/MAMP/htdocs/iconimageryidx/includes/insertPropertyRESI.php Errors: /applications/mamp/htdocs/iconimageryidx/includes/insertpropertyRESI.php: line 1: ?php: No such file or directory /applications/mamp/htdocs/iconimageryidx/includes/insertpropertyRESI.php: line 3: syntax error near unexpected token `'initialize.php'' /applications/mamp/htdocs/iconimageryidx/includes/insertpropertyRESI.php: line 3: `require_once('initialize.php'); The PHP script I am trying to execute DOES in fact exist, and I have made absolutely sure the spelling is correct several times. I ran a crontab on another script before and it worked just fine...any ideas?? The 2nd & 3rd Errors are from line 3 in the following script (the one I am trying to run with the crontab): <?php require_once('initialize.php'); require_once('insertPropertyTypes.php'); $sDate; if(isset($_GET['startDate'])) { $sDate = $_GET['startDate']; } else { $sDate = ''; } $insertResi = new InsertPropertyTypes('Listing', $sDate, 'RESI'); ?> When I run my script insertPropertyRESI.php in the browser, it runs just fine???? Also, initialize.php and insertPropertyTypes.php are in the same directory as insertPropertyRESI.php I am using MAMP with PHP 5.3.5 thakns for the help :?

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• shift reduce&& reduce reduce errors in build parser for python garmmer

  - by user366580

  i wanna build buttom up parser by java cup i write code in java cup , it is for python language so i used grammer was written in this site : but not all grammer , i choice partial set ,just while , identifer also i smiplified them when i did compile for the java cup that i write by write this command in command prompt window : java java_cup.Main -parser CalcParser -symbols CalcSymbol < javacupfile.cup i get conflict errors ,they are of type reduce-shift conflict and reduce-reduce conflict you can see to print screen of the errors in these links image 1 click here to see imge1 the grammer was in EBNF form in as refernce site and i convert it to BNF form maybe i make mistake in converting so i get such errors the origanl grammmer was // grammer in EBNF form identifier ::= (letter|"_") (letter | digit | "_")* letter ::= lowercase | uppercase lowercase ::= "a"..."z" uppercase ::= "A"..."Z" digit ::= "0"..."9 compound_stmt ::= if_stmt | while_stmt for_stmt ::= "for" target_list "in" expression_list ":" suite ["else" ":" suite] while_stmt ::= "while" expression ":" suite ["else" ":" suite] suite ::= stmt_list NEWLINE stmt_list ::= simple_stmt (";" simple_stmt)* [";"] simple_stmt ::= expression_stmt expression_stmt ::= expression_list expression_list ::= expression ( "," expression )* [","] expression ::= conditional_expression conditional_expression ::= or_test ["if" or_test "else" expression] or_test ::= and_test | or_test "or" and_test and_test ::= not_test | and_test "and" not_test not_test ::= comparison | "not" not_test comparison ::= or_expr ( comp_operator or_expr )* comp_operator ::= "<" | ">" | "==" | ">=" | "<=" | "<>" | "!=" | "is" ["not"] | ["not"] "in" or_expr ::= xor_expr | or_expr "|" xor_expr xor_expr ::= and_expr | xor_expr "^" and_expr and_expr ::= "&" | and_expr the grammer after converting to BNF form identifier ::=letterletter| letterdigit| letter"_"| "_"letter | "_"digit | "_""_" letter ::= lowercase | uppercase lowercase ::= "a"..."z" uppercase ::= "A"..."Z" digit ::= "0"..."9 while_stmt ::= "while" expression ":" suite "else" ":" suite |"while" expression ":" suite suite ::= stmt_list NEWLINE stmt_list ::= simple_stmt ";" simple_stmt stmt_list|";" simple_stmt ::= expression_stmt expression_stmt ::= expression_list expression_list ::= expression "," expression expression_list| "," expression ::= conditional_expression conditional_expression ::= or_test "if" or_test "else" expression |or_test or_test ::= and_test | or_test "or" and_test and_test ::= not_test | and_test "and" not_test not_test ::= comparison | "not" not_test comparison ::= or_expr comp_operator or_expr comp_operator ::= "<" | ">" | "==" | ">=" | "<=" | "<>" | "!=" | "is" ["not"] | ["not"] "in" or_expr ::= xor_expr | or_expr "|" xor_expr xor_expr ::= and_expr | xor_expr "^" and_expr and_expr ::= "&" | and_expr and the java cup file that i compile and get those errors is import java.io.*; terminal COMA; terminal ELSE; terminal WHILE; terminal NEWLINE; terminal SEMCOLON; terminal CAMMA; terminal IF; terminal OR; terminal AND; terminal NOT; terminal LESS; terminal GREATER; terminal EQUAL; terminal GREATERorE; terminal LESSorE; terminal NEQUAL; terminal OROP; terminal XOROP; terminal ANDOP; terminal Integer DIGIT; terminal java.lang.String LOWERCASE; terminal java.lang.String UPPERCASE; non terminal java.lang.String IDENTIFIER; non terminal java.lang.String LETTER; non terminal COMPOUND_STMT; non terminal WHILE_STMT; non terminal EXPRESSION; non terminal SUITE ; non terminal STMT_LIST; non terminal SIMPLE_STMT; non terminal EXPRESSION_STMT; non terminal EXPRESSION_LIST; non terminal CONDITITONAL_EXPRESSION; non terminal OR_TEST; non terminal AND_TEST; non terminal NOT_TEST; non terminal COMPARISON; non terminal COMP_OPERATOR; non terminal OR_EXPR; non terminal XOR_EXPR; non terminal AND_EXPR; IDENTIFIER ::=LETTER{: System.out.printf("lowercase"); :}| {: System.out.printf("uppercase"); :} LETTER{: System.out.printf("lowercase"); :}| {: System.out.printf("uppercase"); :}| LETTER{: System.out.printf("lowercase"); :}| {: System.out.printf("uppercase"); :} DIGIT; LETTER ::= LOWERCASE | UPPERCASE; COMPOUND_STMT ::=WHILE_STMT; WHILE_STMT ::= WHILE{: System.out.printf( "while"); :} EXPRESSION COMA {: System.out.printf(":"); :} SUITE ELSE {: System.out.printf("else" ); :} COMA{: System.out.printf( ":" ); :} SUITE |WHILE{: System.out.printf( "while" ); :} EXPRESSION COMA{: System.out.printf( ":" ); :} SUITE; SUITE ::= STMT_LIST NEWLINE{: System.out.printf( "newline" ); :}; STMT_LIST ::= SIMPLE_STMT SEMCOLON{: System.out.printf( ";" ); :} SIMPLE_STMT STMT_LIST|SEMCOLON{: System.out.printf( ";" ); :}; SIMPLE_STMT ::=EXPRESSION_STMT; EXPRESSION_STMT ::=EXPRESSION_LIST; EXPRESSION_LIST ::= EXPRESSION CAMMA{: System.out.printf( "," ); :} EXPRESSION EXPRESSION_LIST| CAMMA{: System.out.printf( "," ); :}; EXPRESSION ::= CONDITITONAL_EXPRESSION; CONDITITONAL_EXPRESSION ::= OR_TEST IF{: System.out.printf( "if"); :} OR_TEST ELSE{: System.out.printf("else"); :} EXPRESSION |OR_TEST; OR_TEST ::= AND_TEST | OR_TEST OR{: System.out.printf( "or"); :} AND_TEST; AND_TEST ::= NOT_TEST | AND_TEST AND{: System.out.printf( "and"); :} NOT_TEST; NOT_TEST ::= COMPARISON | NOT{: System.out.printf("not"); :} NOT_TEST; COMPARISON ::= OR_EXPR COMP_OPERATOR OR_EXPR ; COMP_OPERATOR ::= LESS{: System.out.printf( "<"); :} | GREATER{: System.out.printf(">"); :} | EQUAL{: System.out.printf("=="); :} | GREATERorE{: System.out.printf(">="); :} | LESSorE{: System.out.printf("<="); :} | NEQUAL{: System.out.printf("!="); :}; OR_EXPR ::= XOR_EXPR | OR_EXPR OROP{: System.out.printf("|"); :} XOR_EXPR; XOR_EXPR ::= AND_EXPR | XOR_EXPR XOROP {: System.out.printf("^"); :}XOR_EXPR; AND_EXPR ::= ANDOP{: System.out.printf("&"); :} | AND_EXPR; can any one told me how can solve this errors to build parser correcrtly??

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• Ubuntu - can non-root user run process in chroot jail?

  - by J G

  Is it possible for a non-root user to run a chroot process on Ubuntu?

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• UAC prompt won't allow non-administrator to access IIS 7 Manager.

  - by Triynko

  The IIS 7 Manager seems to throw up a UAC prompt requiring administrative elevation as soon as the shortcut is clicked. This makes it impossible for a non-admin to use it. When I first created the user account, I could open IIS 7 Manager, but could not connect. I temporarily made the user account an Admin, then opened IIS 7 Manager again. Now that I've removed user from Admin, every time I open IIS 7 Manager it throws up the UAC prompt, making it impossible to do anything with it as a non-Admin. Is this a bug? Is there a way to reset the settings for this user so that IIS 7 Manager is back in some kind of first-run state?

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• In what way does non-"full n-key rollover" hinder fast typists?

  - by Michael Kjörling

  Wikipedia claims (although the latter claim does not cite a source) that: High-end keyboards that provide full n-key rollover typically do so via a PS/2 interface as the USB mode most often used by operating systems has a maximum of only six keys plus modifiers that can be pressed at the same time.[4] This hinders fast typists, ... In what way would the system being able to recognize only six non-modifier keys at once hinder a fast typist? I consider myself a relatively fast typist and I usually press one key, plus modifiers, at once; I can't imagine any real-life situation in which the system only recognizing six non-modifier keys being pressed at once has been a limiting factor in my keyboard usage. (Multi-stroke keyboard shortcuts as used by high-end software like Visual Studio, Emacs and the like are a different matter.) Note that I am not really interested in answers centered around multiplayer computer games; I'm looking for answers that give reasons that would be relevant to typists, somehow supporting the statement made on Wikipedia.

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• What to do if I get ping results for non-existing hosts?

  - by bublegumm

  When I am pinging non-existing host like 'zzz' or 'qwerty' I am getting the following result Pinging zzz.kanisa.com [209.62.20.200] with 32 bytes of data: Reply from 209.62.20.200: bytes=32 time=60ms TTL=46 Reply from 209.62.20.200: bytes=32 time=66ms TTL=46 It looks like a virus to me. But I was unable to find a solution on web. Any ideas how to fix it? Even more ridiculous results with nslookup C:\> nslookup google.com Server: google-public-dns-a.google.com Address: 8.8.8.8 Non-authoritative answer: Name: google.com.kanisa.com Address: 209.62.20.200 How to get rid of it?

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