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  • range of line numbers in if condition C programming

    - by nour
    Hello, I'm working on a simple C prorgam, and i'ms tuck with an if test: int line_number = 0; if ((line_number >= argv[2]) && (line_number <= argv[4]) ) gcc says: cp.c:25: warning: comparison between pointer and integer cp.c:25: warning: comparison between pointer and integer What can I do to properly write the range of line I want to deal with ? Thank you!

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  • Yet another "can't connect to MySQL over the network" question - but i seriously tried everything

    - by mireille raad
    Hello, I was left with the easy task of installing moodle. I am VPNing to 2 servers, one for the database and the other apache/php server 1 must connect over LAN to the mySQL db on server 2 I added a user with following priveleges : +---------------+------------+ | host | user | +---------------+------------+ | % | mir | | 10.10.40.15 | mir | | x.x.x.x | mir | | localhost | mir | Disabled firewall temporary made sure that my username/password combinations are correct, flushed priveleges, restarted mysqld i wnt to /etc/my.cnf .. if i try to add the port=3306 bind-address=10.10.40.15 or anything that is different from 0.0.0.0 or 127.0.0.1 - mysql wouldn't restart i read and tried many forums and pages and asked friends for tips but nothing works So my question to you : are there any networking extensions that need to be installed for mysql, how do i know nothing is missing from the installation any troubleshooting tips, any idea how to fix this, any step by step check list, am i missing something simple/stupid, please anything that comes to mind, let me know Appreciate your feedback on this friday night stuck at work :P

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  • Can't perform ODBC connection to MySQL server on local network

    - by Emmanuel
    I have a wamp server running on LAN ip address 192.168.1.101 . From the browser on my PC which is on the LAN I can access the webserver and have as well set the phpmyadmin.conf file to be able to access the phpmyadmin interface. This works smoothly. On the wamp server I have a database which I'd need to access from any PC on the LAN using the MySQL Connector/ODBC. The problem is that I do not manage to setup the connection correctly. Here are the paramenters I use: Data Source Name: test_connection Description: test conenction Server: 192.168.1.101 Port: 3306 User: root Password: Database: The error message I get is the following: Connection Failed: [HY000][MySQL][ODBC 5.1 Driver]Can's connect to MySql server on '192.168.1.101' (10060) Would anybody have a hint to set up correctly the connection?

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  • Qt and serial port programming

    - by vnm
    Hi, folks ! Is there any serial port facilities in Qt ? If not, which crossplatform (desirable) libraries (for working with serial port and, maybe, with other I/O ports), do you recommend ?

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  • AIX network parameters to close TCP sockets of unplugged devices

    - by ADD Geek
    Hi there We have an AIX box, running what we call in banking "ATM Switch" not the ATM networking switch, but the bank ATM driver. where we have some ATM machines connected to two server processes. The problem is, when we disconnect any of these machines, the netstat -na| grep <port number> command shows that the socket established for this disconnected device is still established, we have to manually send a command from the software to make the socket aware that it is not live anymore. Is there a parameter on tcp level to make this connection aware within a minute or two that this device is not connected anymore? we had the following parameters set with root privileges: no -o tcp_keepidle=1000 no -o tcp_keepcnt=2 no -o tcp_keepintvl=150 no -o tcp_finwait2=100 it was originally having the default values. but even after we changed these parameters and restarted the server processes, the problem was still there.

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  • Federated access to desktop and network resources in MS AD domains

    - by Glenn Stauffer
    We are looking for a way to provide members of three loosely connected organizations with access to authenticated resources such as file shares, printers, and lab computers. I've seen federation facilities for web resources; is ther something similar for domain logins? Our Active directory domains are not connected so we would have to use email addresses for the username to insure uniqueness. Is there any openid like mechanism that works for AD logins?

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  • Monitoring Maximum Process Network Activity

    - by user125973
    We have a collocated server on which we run some OpenVZ hosts. Recently, we have had to pay a lot extra we keep exceeding our bandwidth quota. Our quota is 5 Mb/s but we have spike to almost 50. I looked at the graphs and there are some spikes happening at some intervals. I want to know which process is causing this so I need a tool that monitors the processes and gives me the one with the maximum instant traffic (It doesn't matter how much traffic we have as long as we don't exceed the 5Mb/s quota). Does anyone have a recommendation for this? My hosts are CentOS 5 with OpenVZ so I can see all the containter processes from the host, if that helps in any way.

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  • OS specific network delay, why?

    - by Atilla Filiz
    Since my new ISP installed their own router to my house(I rented a room in a student house so don't have much control on these), I started having strange delays. Any outgoing connection I do, be it http or ssh, is delayed for several seconds, and once it is established, I have no further problems. I open several simultaneous tabs in my browser and after about 5 to 8 seconds, they all connect and load simultaneously and quiet fast. I can actually play online games once I connect.What's more interesting is, I experience this only with Linux distros, namely Arch and some versions of Ubuntu. Access with Windows installs are quiet normal. What might be wrong with my router? Everything was fine with my old router but I have to use this one now.

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  • App to log network user's file activities

    - by Luke
    My employer recently purchased a Mac Pro server (2011 model) and we've installed OSX Lion Server from the Mac Appstore. I'm definitely no server admin, but I have been tasked with finding out the following: Can we monitor or log what users do? (ie, open a file, copy a file.... or file-related tasks) Can we stop files from being copied? Or be alerted when this does occur? Thanks in advance for any assistance.

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  • Cannot connect to xdebug over virtual network - Vagrant Virtualbox

    - by smix96
    I'm trying to set up a development box using Virtualbox / Vagrant / Puppet with the intention of eventually provisioning all my machines up to production. However this is stopping me going forward at the moment. I've installed ubuntu lucid over windows 7. When trying to connect to xdebug by starting a debugging session in eclipse, it hangs at 57% (common in eclipse when it cannot communicate with xdebug). Here is my xdebug.ini and the settings here are appearing in phpinfo(). xdebug.remote_enable=On xdebug.remote_handler=dbgp xdebug.remote_host=192.168.56.1 xdebug.remote_port=9000 I'm now wondering if it's an issue with port forwarding? If eclipse is looking on port 9000, will it find port 9000 on a virtual machine? Any help would be greatly appreciated!

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  • Get IP network range after reverse DNS?

    - by Max
    For analytics purposes, I'm looking at large sets of IP addresses in server log files. I'm trying to perform reverse-DNS lookups to understand where traffic is coming from - e.g. what percentage of IPs resolve to corporations, schools, government, international etc. Despite a bunch of optimizations, individually reverse-DNS'ing every IP address still appears to be fairly expensive though. So - is there any way to obtain an entire range of IPs from a reverse-DNS? If yes, this could greatly reduce the number of actual reverse-DNS lookups. Example (numbers slightly obfuscated): Log file contains a request from an IP 128.151.162.17 Reverse DNS resolves to 11.142.152.128.in-addr.arpa 21599 IN PTR alamo.ceas.rochester.edu (So this is a visitor from Rochester University, rochester.edu) Now, would it be safe to assume that all at least all IPs from 128.151.162.* will also resolve to rochester.edu? What about 128.151.*.*? Is there a way to get the exact IP range?

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  • Aspect oriented Programming?

    - by Jaswant Agarwal
    How can we apply attributes to class fucntion using AOP in C#? UPDATE: I am slightly not clear in what context AOP should be used? As we can use AOP for logging purpose, security(Authentication), please suggest some other scenarios where we can take benefit of AOP Is AOP can be use to share data among different running threads in application process?

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  • iPhone programming - problem with CoreFoundation forking

    - by Tom
    Hello all, I've been working on an iPhone for several months. It's a 2d shooting game akin to the old Smash TV type games. I'm doing everything alone and it has come out well so far, but now I am getting unpredictable crashes which seem to be related to CoreFoundation forking and not exec()ing, as the message __THE_PROCESS_HAS_FORKED_AND_YOU_CANNOT_USE_THIS_COREFOUNDATION_FUNCTIONA LITY___YOU_MUST_EXEC__ always shows up somewhere in the debugger. Usually it shows up around a CFRunLoopRunSpecific and is related to either a timer firing or _InitializeTouchTapCount. I cannot figure out exactly what is causing the fork to occur. My main game loop is running on a timer, first updating all the logic and then drawing everything with openGL. There is nothing highly complex or unusual. I understand you cannot make CF calls on the childside of a fork, or access shared memory and things like that. I am not explicitly trying to fork anything. My question is: can anyone tell me what type of activity might cause CoreFoundation to randomly fork like this? I'd really like to finish this game and I don't know how to solve this problem. Thanks for any help.

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  • SSD and programming

    - by Simon Johnson
    I'm trying to put together a business case for getting every developer in our company an Intel SSD drive. The main codebase contains roughly 400,000 lines of code. My theory is that since the code is scattered about in maybe 1500 files, an SSD drive would be substantially faster for compiles. The logic being that many small reads really punishes the seak-time bottle-neck of a traditional hard-drive. Am I right? Is SSD worth the money in productivity gains by reducing the edit/compile cycle time?

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  • 'echo' or drop out of 'programming' write HTML then start PHP code again

    - by thecoshman
    For the most part, when I want to display some HTML code to be actually rendered I would use a 'close PHP' tag, write the HTML, then open the PHP again. eg <?php // some php code ?> <p>HTML that I want displayed</p> <?php // more php code ?> But I have seen lots of people who would just use echo instead, so they would have done the above something like <?php // some php code echo("<p>HTML that I want displayed</p>"); // more php code ?> Is their any performance hit for dropping out and back in like that? I would assume not as the PHP engine would have to process the entire file either way. What about when you use the echo function in the way that dose not look like a function, eg echo "<p>HTML that I want displayed</p>" I would hope that this is purely a matter of taste, but I would like to know if I was missing out on something. I personally find the first way preferable (dropping out of PHP then back in) as it helps draw a clear distinction between PHP and HTML and also lets you make use of code highlighting and hinting for your HTML, which is always handy.

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  • AOP programming in .Net?

    - by larryq
    Hi everyone, I'm wondering what's good out there for AOP / crosscutting in .Net, along the lines of AspectJ. I see Microsoft has a policy injection application block; any other good stuff out there I should take a look at?

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  • trying to connect to non-standard port over esxi guest network

    - by user52874
    I've got an exsi 5.5 box that has a redhat 6.5 guest and a win7 guest. The guest nics are connected on a vsphere standard switch. There is no connection from the vswitch to an outside physical nic. I can ping between the two boxes, each way. I can successfully psping redhat:22 from the win7 box. I can successfully tcping win7:139 from the redhat box. All firewalls are down on both boxes. I cannot connect from the win7 box to redhat:8003, either via psping redhat:8003, nor telnet redhat 8003, nor by the application client itself. sudo netstat -patn | grep 8003 on the redhat box shows that it's listening on 0.0.0.0. Any thoughts? suggestions?

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  • One network, two macbooks, one is fast and the other is slow

    - by Brendan
    I really need help for my friend. I know next to nothing about computers. My roommate and I both have macbook pros from the same year running OS X, are both connecting wirelessly to the same xfinity wifi, and while mine runs perfectly fine, my roommate complains that his works very slowly and times out every few seconds. I can't seem to figure out why this is. He is trying to get me to switch internet providers because he is convinced that it is their problem, but this cannot possibly be the issue since it works great on mine. He has an xbox hooked up to the wifi that he says also works poorly. I really can't see switching providers given that I am experiencing absolutely zero problems. How can I help my friend?

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  • Programming Related Songs

    - by Jim McKeeth
    One song per answer please! We have discussed music you listen to while coding, but I looking for music related to coding and coders. It can be eclectic or mainstream, and even a bit of a stretch (just explain the connection). Vote for your favorite song or add it if it isn't already here. Link to lyrics, band, music, video, etc., when possible.

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