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  • Ruby on Rails when create method fails, render loses local variables

    - by Jimmy
    Hey guys I have a simple create method with some validations and whenever the create method fails due to validation errors it re-renders the 'new' action. The problem is in my new action/view I have a local variable that is established in the action and passed to a partial to render some related information to what the user is creating. Now when my create action fails and I try to re-render the 'new' action I'm getting the always awesome undefined method `cover' for nil:NilClass error. What is the best way to handle re-establishing my action's local variables on a render instead of redirecting to the action again and the user losing the data they input?

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  • stagewebview calling local javascript

    - by wangjl1110
    friends. I'm currently developing a flex mobile project. I currently need to load local javascript using stagewebview. Like: var str:String = '<head>'+ '<script src="myLocalJs.js"/>'+ '</head><body>...</body>'; webView:StageWebView = new StageWebView(); webView.loadString(str); Is there any way to load local javascript using StageWebView? I'm not expecting an answer like 'There is a project called StageWebViewBridge' since it does't have all the features I need. THX!!

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  • "Cannot use fixed local inside lambda expression"

    - by JulianR
    I have an XNA 3.0 project that compiled just fine in VS2008, but that gives compile errors in VS2010 (with XNA 4.0 CTP). The error: Cannot use fixed local 'depthPtr' inside an anonymous method, lambda expression, or query expression depthPtr is a fixed float* into an array, that is used inside a Parallel.For lambda expression from System.Threading. As I said, this compiled and ran just fine on VS2008, but it does not on VS2010, even when targeting .NET 3.5. Has this changed in .NET 4.0, and even so, shouldn't it still compile when I choose .NET 3.5 as the target framework? Searching for the term "Cannot use fixed local" yields exactly one (useless) result, both in Google and Bing. If this has changed, what is the reason for this? I can imagine capturing a fixed pointer-type in a closure could get a bit weird, is that why? So I'm guessing this is bad practice? And before anyone asks: no, the use of pointers is not absolutely critical here. I would still like to know though :)

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  • Display list of websites on local IIS server in a web page

    - by TGuimond
    Hey Guys, I am currently trying to figure out a way to list all of the websites that are running on a local IIS 6 server at the office and display links to each site with their descriptions so we can always find our development sites with ease. The way that the server is currently set up is I add a DNS record for a new site. eg: newsite.company.local and then add it to IIS. This way all the users in our office can access this site via their browser and developers can test, admins can review etc etc. What I want to do now is automatically generate a webpage with a list of all of the sites running on iis and have it be available across the network. I have never looked into this before and have no idea where to start.. help! Thanks :)

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  • Basic Python: Exception raising and local variable scope / binding

    - by SuperJdynamite
    I have a basic "best practices" Python question. I see that there are already StackOverflow answers tangentially related to this question but they're mired in complicated examples or involve multiple factors. Given this code: #!/usr/bin/python def test_function(): try: a = str(5) raise b = str(6) except: print b test_function() what is the best way to avoid the inevitable "UnboundLocalError: local variable 'b' referenced before assignment" that I'm going to get in the exception handler? Does python have an elegant way to handle this? If not, what about an inelegant way? In a complicated function I'd prefer to avoid testing the existence of every local variable before I, for example, printed debug information about them.

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  • const ready only local copies

    - by robUK
    Hello gcc 4.4.4 c89 I am just wondering is it worth passing a const into a function. i.e. void do_something(const char *dest, const int size) The size is a ready-only so I don't want to change it. However, some developers never have this as const has it is a local copy that is being used. The pointer is const as you can change the value in the calling routine. I always have a const on ready-only local copies, as it confirms to anyone reading my code that it is a ready-only variable. And also, when coding I don't make the mistake of changing it without realizing. Many thanks for any suggestions,

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  • problem with application after moving from local to hosting server

    - by marcin_koss
    I have an application developed with CodeIgniter that works perfectly on my local server. After uploading it to the hosting server I've run into few issues that I can't figure out. I removed the index.php from URL by changing $config['index_page'] = "" in config.php file and adding rewriterule in .htaccess file. Everything worked fine on a local server. On hosting server the webstie wouldn't load until I reverted those changes to defaults. Now the strangest thing. I test the website and all pages load fine except of one. When I point to that page the browser responds with "Connection closed by remote server" (That's from Opera, other browser gave similar response). After closing the browser when I try to load the website again, now it won't even load any page showing me CodeIgniter's styled error "404 Page Not Found" What he heck?

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  • jQuery cookie behaves differently on local machine vs production server

    - by user1810414
    I'm setting a jQuery cookie for some site javascript effects. I'm setting expiration date to 30 days. On local development machine cookie expiration is set properly, whereas on production expiration is being set to end of session. After inspecting the created cookies with web develoer tools, everything is identical except production machine cookie is marked as "session cookie" and setting expiration is disallowed, while cookie created on local development machine is not set to "session" and expiration date is editable. Is there a way to make production machine cookie accept the expiration date? This is how I set the cookie: $.cookie('skip_animation','skip', 2592000); Using jQuery 1.6.4 (legacy site) All browsers behave the same way

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  • ruby confusing -- local variable or instance_method ?

    - by boblu
    I have the following program. module C def self.included(base) base.extend(ClassMethods) end module ClassMethods def test_for class_eval <<-DEFINECLASSMETHODS def self.my_method(param_a) puts "SELF is: #{self.inspect}" puts param_a puts "#{param_a}" end DEFINECLASSMETHODS end end end class A include C end class B < A test_for end when I run B.new.my_method("aaa"), I got this error NameError: undefined local variable or method `param_a' for B:Class I am quite confused. I define param_a as a local variable in class method my_method, puts param_a runs good, and will output the "aaa". however, puts "#{param_a}" output that error. why? Can anyone explain this?

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  • MySQL does not work on localhost without Local Area Connection

    - by user985171
    I use WampServer(Apache, PHP, MySQL) and have no problems when some kind of network adapter(wireless or lan) is connected(i-e Local Area Connection has status connected) 'even if i am not connected to the internet'(for example when i am connected to the router but that is not connected to the internet). When there is no network connection, i get a php error like MySQL could not connect to 127.0.0.1 on port 3306. Interestingly, 'telnet 127.0.0.1 3306' says that it could not connect to the port, even when the server and MySQL are running fine(i-e when some kind of local area connection is connected). So i turned off all kinds of firewall(antivirus and windows) but still no difference in anything. And that is why this issue is quite puzzling. Things i have already tried(will update this list along the way):- -The skip-networking directive in my.ini.

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  • Getting local My Documents folder path

    - by smsrecv
    In my C++/WinAPI application I get the My Documents folder path using this code: wchar_t path[MAX_PATH]; SHGetFolderPathW(NULL,CSIDL_PERSONAL,NULL,SHGFP_TYPE_CURRENT,path); One of the users runs my program on a pc connected to his corporate network. He has the My Documents folder on a network. So my code returns something like \paq\user.name$\My Documents Though he says he has a local copy of My Documents. The problem is that when he 'swaps VPN', the online My Documents becomes unavailable and my program crashes with the system error code 64 "The specified network name is no longer available" ( it tries to write to the file opened in the online my docs folder). How can I always get the local My Documents folder path using C++/WinAPI?

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  • svn update overwrite local copy - can I retrieve local copy?

    - by Myx
    Hi: So I was editing a file on my local machine and I was ready to commit to the repository except that instead of running the svn commit, I ran svn update. Is there any way I can retrieve the changes that I had? I was working on a tex file in vim and I had closed the file before running svn update. Thanks. EDIT: I'm sorry - I completely was worried for nothing (project deadline in 30 mins and I thought I deleted all my changes). I realize that when I run svn update, it doesn't rewrite the local changes but tries to merge the files if there are no conflicts. Can someone tell me how to close or remove this post? Thanks.

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  • Locale C++ shared library in /usr/local/lib

    - by Dave
    I'm venturing into the world of C++ and Linux, and am having problems linking against a shared library. I have a library, libicuuc.so.44.1, installed in /usr/local/lib. There is also a link in the same directory, libicuuc.so.44 pointing to that library. My /etc/ld.so.conf reads: include /etc/ld.so.conf.d/*.conf I have a file, /etc/ld.so.conf.d/libc.conf, that contains: # libc default configuration /usr/local/lib However, when I compile my program (that includes LIBS += -licuuc), I get the following error at runtime: error while loading shared libraries: libicuuc.so.44: cannot open shared object file: No such file or directory I am using Qt Creator on Ubuntu 10.04. Any help is greatly appreciated!

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  • How to convert server time to local time?

    - by Lost_in_code
    My php file is hosted in some other part of the world. The date() and time() functions returns the date/time on the server. How do I convert that date so that it's the same as my local date/time? The date on the server is 10 hours behind my local time. I could just hard code and substract this from the server time. But what is the proper way of going about this so that no value has to be hardcoded?

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  • Local variable and Try/Catch

    - by 3D-kreativ
    I get an error, a red line below the variable intAge in the if-statement in the code. It says the variable is local, but how could it be local when it is declared in the beginning of the code? Does it have to do with the Try/Catch part? The reason why my code looks like it does, is just beacuse I have to use a Try/Catch in the code for this task. Preciate some suggestions to solve this in a similiar and correct way? Thanks! int intAge; try { intAge = int.Parse(age); } catch (Exception) { MessageBox.Show("Enter an age in numbers!","Error!"); } finally { } // Check input if (intAge < 1) { inputOk = false; errorMessage = "Please enter 1 or higher!"; }

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  • Too many local variables in ASP.NET

    - by Yongwei Xing
    Hi all I wrote a control, and use a tool to do the code analysis. There is a test that I didn't pass. Avoid excessive locals, http://msdn.microsoft.com/library/ms182263(VS.90).aspx. In my CreateChildControls function, I built a big table with lots of field. I need to create a lot of TableRow and TableCell to construct the table. But these are not field or property of control. Thery are local variables in the function, which are created dynamically. Should I make these TableCells and TableRows as fields of the control? Or I just keep them as the local variables in the CreateChildControl function? Best Regards,

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  • java quaternion 3D rotation implementation

    - by MRM
    I made a method to rotate a list of points using quaternions, but all i get back as output is the same list i gave to rotate on. Maybe i did not understood corectly the math for 3d rotations or my code is not implemented the right way, could you give me a hand? This is the method i use: public static ArrayList<Float> rotation3D(ArrayList<Float> points, double angle, int x, int y, int z) { ArrayList<Float> newpoints = points; for (int i=0;i<points.size();i+=3) { float x_old = points.get(i).floatValue(); float y_old = points.get(i+1).floatValue(); float z_old = points.get(i+2).floatValue(); double[] initial = {1,0,0,0}; double[] total = new double[4]; double[] local = new double[4]; //components for local quaternion //w local[0] = Math.cos(0.5 * angle); //x local[1] = x * Math.sin(0.5 * angle); //y local[2] = y * Math.sin(0.5 * angle); //z local[3] = z * Math.sin(0.5 * angle); //components for final quaternion Q1*Q2 //w = w1w2 - x1x2 - y1y2 - z1z2 total[0] = local[0] * initial[0] - local[1] * initial[1] - local[2] * initial[2] - local[3] * initial[3]; //x = w1x2 + x1w2 + y1z2 - z1y2 total[1] = local[0] * initial[1] + local[1] * initial[0] + local[2] * initial[3] - local[3] * initial[2]; //y = w1y2 - x1z2 + y1w2 + z1x2 total[2] = local[0] * initial[2] - local[1] * initial[3] + local[2] * initial[0] + local[3] * initial[1]; //z = w1z2 + x1y2 - y1x2 + z1w2 total[3] = local[0] * initial[3] + local[1] * initial[2] - local[2] * initial[1] + local[3] * initial[0]; //new x,y,z of the 3d point using rotation matrix made from the final quaternion float x_new = (float)((1 - 2 * total[2] * total[2] - 2 * total[3] * total[3]) * x_old + (2 * total[1] * total[2] - 2 * total[0] * total[3]) * y_old + (2 * total[1] * total[3] + 2 * total[0] * total[2]) * z_old); float y_new = (float) ((2 * total[1] * total[2] + 2 * total[0] * total[3]) * x_old + (1 - 2 * total[1] * total[1] - 2 * total[3] * total[3]) * y_old + (2 * total[2] * total[3] + 2 * total[0] * total[1]) * z_old); float z_new = (float) ((2 * total[1] * total[3] - 2 * total[0] * total[2]) * x_old + (2 * total[2] * total[3] - 2 * total[0] * total[1]) * y_old + (1 - 2 * total[1] * total[1] - 2 * total[2] * total[2]) * z_old); newpoints.set(i, x_new); newpoints.set(i+1, y_new); newpoints.set(i+2, z_new); } return newpoints; } For rotation3D(points, 50, 0, 1, 0) where points is: 0.0, 0.0, -9.0; 0.0, 0.0, -11.0; 20.0, 0.0, -11.0; 20.0, 0.0, -9.0; i get back the same list.

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  • Need help with executing and deleting remote bash script via a local bash script

    - by kenja
    I am trying to create a bash script that will scp a script to a remote server, ssh (using an ssh key that is already installed) to the remote server, execute the uploaded script, and then delete the remote script when it is finished. I'm not clear how to run an ssh session inside a bash script. Here are the commands I use to do it from the command line: scp my_script.sh [email protected]:/usr/home/user/ ssh [email protected] >sh my_script.sh >rm myscript.sh >exit How do I script the ssh portion of my command list? Thanks!

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  • Google chrome is always searching in local google domain instead of Google.com

    - by Pablo
    I have changed in the searched preferences to google.com but still when I do search from the address bar (instant or non-instant) it will go to google.co.kr. Even though I change "Google.com in English", still same... The only way is to open google.com website first, then do search in it. So the question - is there any way to force Chrome to search in Google.com instead of google.co.kr? I understand there is some geolocational checking/redirecting, but there must be some way to force...

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  • ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/tmp/mysql.sock’ (2)

    - by Imran
    Can someone please help as i've spent all day trying to fix this. I installed the latest XAMPP and now i can't connect to mysql from terminal.I checked my .profile file and the PATH seems ok. Does anyone know whats happened and what's the solution? PATH=$PATH:/Applications/XAMPP/xamppfiles/bin export PATH THIS IS A PROGRAMMING QUESTION AS I'M A PHP DEVELOPER TRYING TO DO MY JOB! Thankyou soo much in advance;-)

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  • local msmtp and ovh hosting

    - by klez
    I have my personal email hosted on OVH (personal hosting plan) and I'm not able to send mails using msmtp. Here's a typical session ignoring system configuration file /etc/msmtprc: File o directory non esistente loaded user configuration file /home/klez/.msmtprc using account default from /home/klez/.msmtprc host = ssl0.ovh.net port = 465 timeout = off protocol = smtp domain = localhost auth = choose user = federicoculloca%xxxxxxx password = * ntlmdomain = (not set) tls = on tls_starttls = off tls_trust_file = (not set) tls_crl_file = (not set) tls_fingerprint = (not set) tls_key_file = (not set) tls_cert_file = (not set) tls_certcheck = off tls_force_sslv3 = off tls_min_dh_prime_bits = (not set) tls_priorities = (not set) auto_from = off maildomain = (not set) from = federicoculloca@xxxxxxxx dsn_notify = (not set) dsn_return = (not set) keepbcc = off logfile = (not set) syslog = (not set) reading recipients from the command line TLS certificate information: Owner: Common Name: ssl0.ovh.net Organizational unit: Domain Control Validated Issuer: Common Name: OVH Secure Certification Authority Organization: OVH SAS Organizational unit: Low Assurance Country: FR Validity: Activation time: lun 31 gen 2011 01:00:00 CET Expiration time: mer 15 feb 2012 00:59:59 CET Fingerprints: SHA1: F9:DC:41:F9:A2:38:51:9B:56:E4:98:E6:CD:81:31:42:E6:0E:26:6D MD5: FC:EC:F3:8F:28:E4:7E:28:99:89:E6:BB:C9:DF:71:CE <-- 220 ns0.ovh.net ssl0.ovh.net. You connect to mail427.ha.ovh.net ESMTP --> EHLO localhost <-- 250-ssl0.ovh.net. You connect to mail427.ha.ovh.net <-- 250-AUTH LOGIN PLAIN <-- 250-AUTH=LOGIN PLAIN <-- 250-PIPELINING <-- 250-8BITMIME <-- 250 SIZE 109000000 --> AUTH PLAIN xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx <-- 235 ok, go ahead (#2.0.0) --> MAIL FROM:<federicoculloca@xxxxx> --> RCPT TO:<[email protected]> --> DATA <-- 250 ok <-- 250 ok <-- 354 go ahead --> hello world --> . <-- 554 mail server permanently rejected message (#5.3.0) And my configuration # ~/.msmtp # Mostly from Peter Garrett's examples # https://lists.ubuntu.com/archives/ubuntu-users/2007-September/122698.html # Accounts from Scott Robbins' `A Quick Guide to Mutt' # http://home.nyc.rr.com/computertaijutsu/mutt.html account xxxxx host ssl0.ovh.net from federicoculloca@xxxxxx auth on user federicoculloca%xxxxxx password xxxxxx tls on tls_certcheck off tls_starttls off Any idea?

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  • Device Manager in read-only remote mode when local

    - by Luke Puplett
    Hello - since configuring a Windows Web Server 2008 R2 x64 to be hardened for an internet-facing deployment I receive this: "Device Manager is running in read-only mode because you are running it on a remote computer." when entering Device Manager. I have tried reversing the changes I have made, such as: Re-adding Client for Microsoft Networks Re-enabling NetBIOS over TCP-IP Re-adding File and Printer Sharing Disabling the Windows Firewall in all profiles (public, domain, private) I get no joy. It looks like a Microsoft ballsup. I'll try and use Process Monitor to have a look. Google returns only 1 page for this error. Luke

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  • Access IIS Admin without local administrator rights

    - by Carl
    We are running Microsoft Server 2003 with IIS. We would like to give our developers access to manage IIS (through IIS Admin) but do not want them to be administrators of the entire machine. Putting them in "Power Users" group does not seem to work. What permissions should we grant to our developers to allow them to manage IIS (e.g. add websites, modify app pools, etc.) without giving them full admin rights to the server?

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