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  • Efficiency of PHP arrays cast as objects?

    - by keithjgrant
    From what I understand, PHP objects are generally much faster than arrays. How is that efficiency affected if I'm typecasting to define stdClass objects on the fly: $var = (object)array('one' => 1, 'two' => 2); If the code doing this is deeply-nested, will I be better off explicitly defining $var as an objects instead: $var = new stdClass(); $var->one = 1; $var->two = 2; Is the difference negligible since I'll then be accessing $var as an object from there on, either way?

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  • C optimization breaks algorithm

    - by Halpo
    I am programming an algorithm that contains 4 nested for loops. The problem is at at each level a pointer is updated. The innermost loop only uses 1 of the pointers. The algorithm does a complicated count. When I include a debugging statement that logs the combination of the indexes and the results of the count I get the correct answer. When the debugging statement is omitted, the count is incorrect. The program is compiled with the -O3 option on gcc. Why would this happen?

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  • syntax to express mathematical formula concisely in your language of choice

    - by aaa
    hello. I am developing functional domain specific embedded language within C++ to translate formulas into working code as concisely and accurately as possible. Right now my language looks something like this: // implies two nested loops j=0:N, i=0,j (range(i) < j < N)[T(i,j) = (T(i,j) - T(j,i))/e(i+j)]; // implies summation over above expression sum(range(i) < j < N))[(T(i,j) - T(j,i))/e(i+j)]; I am looking for possible syntax improvements/extensions or just different ideas about expressing mathematical formulas as clearly and precisely as possible. Can you give me some syntax examples relating to my question which can be accomplished in your language of choice which consider useful. In particular, if you have some ideas about how to translate the above code segments, I would be happy to hear them Thank you

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  • PC won't boot from IDE HDD when SATA data drive connected

    - by Kevin
    I have an old Pentium 4 system running XP. The machine is set up as an HTPC. It was set up and running well with 1 SATA drive as a boot drive, another SATA drive to store TV recordings, and an IDE drive to store more recordings. Last week the original boot drive (a SATA drive) failed. The BIOS would no longer recognize it. I had a disused IDE drive hanging around that was large enough for the OS, so I reformatted it and installed XP on it. Now the system will only boot if I do not connect the remaining healthy SATA data drive. All three drives are recognized by the BIOS, and I have set the boot order so that the IDE drive with XP on it has top priority, but after the BIOS recognizes the drives, etc. I just get a black screen. I know the SATA drive is functional, because if I hot plug the drive AFTER the system is booted (I know I'm not supposed to do this), I can go into the control panels and mount the drive, and see all the files and folders on it in Windows Explorer. Any suggestions on what is going on and how to fix it? Many thanks.

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  • 404 with serving static files in a custom nginx configuration

    - by code90
    In my nginx configuration, I have the following: location /admin/ { alias /usr/share/php/wtlib_4/apps/admin/; location ~* .*\.php$ { try_files $uri $uri/ @php_admin; } location ~* \.(js|css|png|jpg|jpeg|gif|ico|pdf|zip|rar|air)$ { expires 7d; access_log off; } } location ~ ^/admin/modules/([^/]+)(.*\.(html|js|json|css|png|jpg|jpeg|gif|ico|pdf|zip|rar|air))$ { alias /usr/share/php/wtlib_4/modules/$1/admin/$2; } location ~ ^/admin/modules/([^/]+)(.*)$ { try_files $uri @php_admin_modules; } location @php_admin { if ($fastcgi_script_name ~ /admin(/.*\.php)$) { set $valid_fastcgi_script_name $1; } fastcgi_pass $byr_pass; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/share/php/wtlib_4/apps/admin$valid_fastcgi_script_name; fastcgi_param REDIRECT_STATUS 200; include /etc/nginx/fastcgi_params; } location @php_admin_modules { if ($fastcgi_script_name ~ /admin/modules/([^/]+)(.*)$) { set $byr_module $1; set $byr_rest $2; } fastcgi_pass $byr_pass; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/share/php/wtlib_4/modules/$byr_module/admin$byr_rest; fastcgi_param REDIRECT_STATUS 200; include /etc/nginx/fastcgi_params; } Following is the requested url which ends up with "404": http://www.{domainname}.com/admin/modules/cms/styles/cms.css Following is the error log: [error] 19551#0: *28 open() "/usr/share/php/wtlib_4/apps/admin/modules/cms/styles/cms.css" failed (2: No such file or directory), client: xxx.xxx.xxx.xxx, server: {domainname}.com, request: "GET /admin/modules/cms/styles/cms.css HTTP/1.1", host: "www.{domainname}.com" Following urls works fine: http://www.{domainname}.com/admin/modules/store/?a=manage http://www.{domainname}.com/admin/modules/cms/?a=cms.load Can anyone see what the problem could be? Thanks. PS. I am trying to migrate existing sites from apache to nginx.

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  • Focus next textview automatically

    - by Naseer
    I have a TextView with android:maxLength set to 3 and another with android:maxLength set to 7. I want focus to automatically move to the second TextView once the 3 chars of the first TextView are filled up. Is this possible without inheriting TextView and writing a custom implementation ?

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  • POST serialized JSON object to a Coldfusion remote method instead of using FORM

    - by zarko.susnjar
    I have javascript object which consists of complex array of structures with nested structures of other javascript objects created dynamicaly on page etc. long story. I can't use form since my vars would be like 2_34_x_y_foo_bar_235423 due to the nature of UI. When I send that stringified object using GET .ajax request to a remote cfc method everything runs ok until JSON becomes 4000+ chars long, and usually it will be longer then that. When I use POST .ajax, I get 302 status and redirection to cfcexplorer. Is there some way I could "attach" object to a form and send my data as form submit, or some way to send JSON object as it is now using ajax call?

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  • Excel pivot refresh, save and close in Access VBA code

    - by schneidm
    I am using the following code to refresh Excel pivot tables from an Access application. What is the best way to save and close the Excel app after the pivots refresh? In my last attempt the code was trying to save and close before the pivots had refreshed. Private Sub Command161_Click() Dim objXL As Object, x On Error Resume Next Set objXL = CreateObject("Excel.Application") With objXL.Application .Visible = True 'Open the Workbook .Workbooks.Open "myfilepath.xls" 'Refresh Pivots x = .ActiveWorkbook.RefreshAll End With Set objXL = Nothing End Sub

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  • ViewPager resize height to Content

    - by user1324936
    ViewPager does not wrap its height to its content. For my layout I need to set the hight then dynamically because it is nested in other layouts. Therefore I created a ScrollView as content of the ViewPager and check its height in onCreate method of the Fragment, but the ScrollView has always the same size. How can I resize the ViewPager to fit to its content? final ScrollView sv = (ScrollView) v.findViewById(R.id.sv); ViewTreeObserver vto = scrollViewMenuFragen.getViewTreeObserver(); vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() { @Override public void onGlobalLayout() { int height = sv.getMeasuredHeight(); //always same height independent of content height //need to resize ViewPager ViewGroup.LayoutParams params = (ViewGroup.LayoutParams) mPager.getLayoutParams(); params.height = height; mPager.setLayoutParams(params); } });

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  • how to use the template for a custom component

    - by wnoveno
    hi, I've created a custom coponent for joomla and I've created a menu which uses that component and set a template for that menu. The thing is when I go to the url test.com/index.php?option=com_mycomponent, it still uses the default template instead of the template that I set it to. PS: The component works, only it's using the wrong template.

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  • NHibernate Many-to-Many Mapping not working

    - by ClutchDude
    I have a Nhibernate mapping file for a simple user/role mapping. Here are the mapping files: Users.hbm.xml <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="Sample.Persistence" namespace="Sample.Persistence.Model"> <class name="User" table="Users"> <id name="UserKey"> <generator class="identity"/> </id> <property name="UserName" column="UserName" type="String" /> <property name="Password" column="Password" type="Byte[]" /> <property name="FirstName" column="FirstName" type="String" /> <property name="LastName" column="LastName" type="String" /> <property name="Email" column="Email" type="String" /> <property name="Active" column="Active" type="Boolean" /> <property name="Locked" column="Locked" type="Boolean" /> <property name="LoginFailures" column="LoginFailures" type="int" /> <property name="LockoutDate" column="LockoutDate" type="DateTime" generated="insert" /> <property name="Expired" column="Expired" type="Boolean" generated="insert"/> <set name="Roles" table="UsersRolesBridge" lazy="false"> <key column="UserKey" /> <many-to-many class="Role" not-found="exception" column="RoleKey" /> </set> </class> </hibernate-mapping> Role.hbm.xml <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="Sample.Persistence" namespace="Sample.Persistence.Model"> <class name="Role" table="Roles"> <id name="RoleKey"> <generator class="identity"/> </id> <property name="Name" column="Name" type="String" /> <set name="Users" inverse="true" atable="UsersRolesBridge" lazy="false" > <key column="RoleKey" /> <many-to-many class="User" column="UserKey" /> </set> </class> </hibernate-mapping> I am able to retrieve roles for each user via NHibernate but when I go to save a new object, the roles are not saved in the Bridge table. The user is created and insert with no issues. I've checked that the Role collection, a field on the user, is being populated with the proper rolekey before the Session.Save() is called. There is no exception thrown as well.

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  • When using Oracle load balancing and ADO.NET, how do you know which host the command executed on?

    - by Leeks and Leaks
    It's possible to use Microsoft's OracleClient assembly to connect to an Oracle database, and using Oracle's connection string format, set it up to use load balancing, provided your Oracle environment supports it. The question I have is how do you know after the fact, which db host the command actually executed against? Is there a way to retrieve the machine name from the load balanced set of machines?

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  • Delegates does not work properly

    - by Warrior
    I am new to iPhone development. I am converting the date to the desired format and set it to the delegate and get its value in the another view. The session restarts when I tried to get the value from delegate. If I set the original date and not the formatted date in the set delegate, then i able to get the value in the another view. If I also give any static string value, then also I am able to the static string value back. Only the formatted date which is string is set then the session restarts. If i print and check the value of the formatted date it prints the correct formatted date only.Please help me out.Here is my code for date conversion NSString *dateval=[[stories objectAtIndex: storyIndex] objectForKey:@"date"]; NSDateFormatter *inputFormatter = [[NSDateFormatter alloc] init]; [inputFormatter setDateFormat:@"EEE, MMM dd, yyyy"]; NSDate *inputDate = [inputFormatter dateFromString:dateval]; NSDateFormatter *outputFormatter = [[NSDateFormatter alloc] init]; [outputFormatter setDateFormat:@"MMMM dd"]; NSString *outputDate = [outputFormatter stringFromDate:inputDate]; AppDelegate *delegate=(AppDelegate *)[[UIApplication sharedApplication]delegate]; [delegate setCurrentDates:outputDate]; EDIT: This is displayed in console inside view did load [Session started at 2010-04-21 19:12:53 +0530.] GNU gdb 6.3.50-20050815 (Apple version gdb-967) (Tue Jul 14 02:11:58 UTC 2009) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-apple-darwin".sharedlibrary apply-load-rules all Attaching to process 4216. (gdb) In another view - (void)viewDidLoad { NSLog(@"inside view did load"); AppDelegate *delegate=(AppDelegate *)[[UIApplication sharedApplication]delegate]; NSString *titleValue=[delegate getCurrentDates]; self.navigationItem.title =titleValue ; } The get does not work properly.It works fine if i give any static string or the "dateval". Thanks.

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  • Setting up Mac OSX build server for multiple users?

    - by MGA
    Hello, I need to set up a OS X build server (Xcode for iOS development). Now the tricky part is, this server will be used in a university environment and many students will have access to it for different projects. How can I set it up so that each student's project is private to them only, keep the server itself protected from students and enable students to access and build remotely. I am not very familiar with the Mac OS X environment so any help would be greatly appreciated! Thank you

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  • pdns-recursor allocates resources to non-existing queries

    - by azzid
    I've got a lab-server running pdns-recursor. I set it up to experiment with rate limiting, so it has been resolving requests openly from the whole internet for weeks. My idea was that sooner or later it would get abused, giving me a real user case to experiment with. To keep track of the usage I set up nagios to monitor the number of concurrent-queries to the server. Today I got notice from nagios that my specified limit had been reached. I logged in to start trimming away the malicious questions I was expecting, however, when I started looking at it I couldn't see the expected traffic. What I found is that even though I have over 20 concurrent-queries registered by the server I see no requests in the logs. The following command describes the situation well: $ sudo rec_control get concurrent-queries; sudo rec_control top-remotes 22 Over last 0 queries: How can there be 22 concurrent-queries when the server has 0 queries registered? EDIT: Figured it out! To get top-remotes working I needed to set ################################# # remotes-ringbuffer-entries maximum number of packets to store statistics for # remotes-ringbuffer-entries=100000 It defaults to 0 storing no information to base top-remotes statistics on.

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  • Using WiX, how do I change a property of a subfolder of a virtual directory?

    - by Joergen Bech
    I have a hierarchy of Directory elements in a WiX script. I also have a component that creates a virtual directory (using IIS:WebVirtualDir), which points to the root of my Directory hierarchy. How do I change a property (e.g. AnonymousAccess) of a subfolder of the virtual directory, e.g. MyVirtualDir <<< this is the virtual directory root MyVirtualDir\MySubFolder <<< this is the subfolder for which I wish to change a property using WebDirProperties Please note that I do not wish to create a new virtual directory for the subfolder. I only wish to change a few security settings. The current script is too big to post here, but take a look at the WiX tutorial: 5.3 Web Directory. Suppose in that example that there was another Directory element named "MySubFolder" nested within the "InstallDir" element. What would then be the next step in order to set properties for "MySubFolder" without turning it into a virtual directory?

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  • PHP scope question

    - by Dan
    Hi, I'm trying to look through an array of records (staff members), in this loop, I call a function which returns another array of records (appointments for each staff member). foreach($staffmembers as $staffmember) { $staffmember['appointments'] = get_staffmember_appointments_for_day($staffmember); // print_r($staffmember['appointments'] works fine } This is working OK, however, later on in the script, I need to loop through the records again, this time making use of the appointment arrays, however they are unavailable. foreach ($staffmembers as $staffmember) { //do some other stuff //print_r($staffmember['appointments'] no longer does anything } Normally, I would perform the function from the first loop, within the second, however this loop is already nested within two others, which would cause the same sql query to be run 168 times. Can anyone suggest a workaround? Any advice would be greatly appreciated. Thanks

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  • Multi table Triggers ms sql noob

    - by Chin
    I have a load of tables all with the same 2 datetime columns (lastModDate, dateAdded). I am wondering if I can set up global Insert Update trigger for these tables to set the datetime values. Or if not, what approaches are there? Any pointers much appreciated

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  • Why might my Emacs use spaces instead of tabs?

    - by Fletcher Moore
    I am trying to diagnose this problem. TAB creates 4 spaces instead of a 4 col TAB like I want. But I don't think it should because C-h v indent-tabs-mode on the buffer in question says it is set to t. When I check my keybindings, TAB is set to c-indent-line-or-region. Does this function ignore my tabs-mode?

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  • Image URL is correct but image not showing

    - by mattgcon
    I have a website on GoDaddy. All permissions are set correctly and the image DOES exist. However when the page loads the image for the item selected does not show. Here is my code imagepath = "~/spaimages/" + currentSpaModel.Name.ToString() + ".png"; if (File.Exists(Server.MapPath(imagepath))) { this.spaimage.ImageUrl = Server.MapPath(imagepath); } spaimage is an ASP control and thr URL that the image is set to is D:\hosting\xxxxxxx\calspas\spaimages\modelname.png What am I doing wrong.

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  • Iphone SDK - tap to undo a zoom inside of a scroll view

    - by Dave
    Hi, I was just wondering how I can get a single tap to undo the zoom inside of a scroll view? I cant seem to figure it out. I was also wondering how do you know what size to set your scroll view contentSize, as I find this issue a little confusing at the moment I have it set at 460x320. Thanks

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  • Blackberry (Java) - Setting scrolling be not focused on objects on the screen

    - by paullb
    I have a mainscreen which currently scrolls (and I have the arrows on the right) but the scrolling seems to be focused on the ButtonField objects that I have on the page. Is there any way to set the scrolling to be non-focused scrolling (moving a few pixels each time). Is there a way to set this? Other ideas I have had (which sound hacky so I want to avoid): - Placing NullFields around to scroll - Manually listening to the trackwheelRoll event and moving appropriately

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  • How to Read from LocalResources in class Global area

    - by Nasser Hajloo
    I have a class name xxxx and a resource whichthe class read from it to set some string. Everything is fine and nothing goes wrong. The problem is that I have some Constant Global String which I set them in global area like public partial class ExampleDocument : ClassBase { const string TheProblem = "I can not read this string from resources cause here Methods do not work"; #region Method ... #endregion } The question is, How to read this strings frrom Rersource File.

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  • Error while conversion of string to datetime

    - by aswathi
    The conversion of a char data type to a DateTime data type resulted in an out-of-range DateTime value. The statement has been terminated. Please give me most possible answers ALTER PROCEDURE [dbo].[attendance_updatebyemployee_id] @Employee_id int, @AtDate datetime, @FNLogged bit, @ANLogged bit, @LogTime varchar(10), @LogOuttime varchar(10) AS BEGIN SET NOCOUNT ON; update Mst_Attendance set FNLogged=@FNLogged, ANLogged=@ANLogged,LogTime=@LogTime,LogOuttime=@LogOuttime where EmployeeId=@Employee_id and Atdate= @AtDate END

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