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• App like default photo browser in iphone ?

  - by goeff27

  Hi All i am developing a app which contains feature like default photo browser in iphone. I done some what similar to that. but after loading some(near about 10-15) images from remote server,i am receiving memory warning.My requirement is loading image one by one. For this, on scroll view i am putting an images and increasing the contentSize of scroll view. it will work fine. but due to memory warning app quite. Guys, any have any idea to approach for this feature which work similar to photo app without problem? thanks in advance .

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• Custom Output => List of Errors interpretation in VS2008 IDE.

  - by Hamish Grubijan

  Hello, I have a "database solution" project in VS2008 - it generates SQL for more than one DB vendor from some sort of templates. In order to save time, I also have a tool in VS2008 configured (a Python script), which can compile an individual stored procedure. Now, with the Python script I have the freedom of processing the output and have it take on whatever form I want. I am toying with an idea of having these errors and warnings somehow recognized and populating the click-able Error / Warning list. This is what a typical Oracle error looks like: LINE/COL ERROR -------- ----------------------------------------------------------------- 324/5 PL/SQL: Statement ignored 324/82 PLS-00363: expression 'VSOURCE_SYSTEM_ID' cannot be used as an assignment target Warning: Procedure created with compilation errors. PROCEDURE: ADD_PROPOSED error on creation Errors for PROCEDURE ADD_PROPOSED: LINE/COL ERROR This might be a long shot, but it is worthwhile for me. I do this stuff a lot. Thank you!

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• Strange pattern matching with functions instancing Show

  - by Sean D

  So I'm writing a program which returns a procedure for some given arithmetic problem, so I wanted to instance a couple of functions to Show so that I can print the same expression I evaluate when I test. The trouble is that the given code matches (-) to the first line when it should fall to the second. {-# OPTIONS_GHC -XFlexibleInstances #-} instance Show (t -> t-> t) where show (+) = "plus" show (-) = "minus" main = print [(+),(-)] returns [plus,plus] Am I just committing a motal sin printing functions in the first place or is there some way I can get it to match properly? edit:I realise I am getting the following warning: Warning: Pattern match(es) are overlapped In the definition of `show': show - = ... I still don't know why it overlaps, or how to stop it.

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• CSS problem on HTTPS pages (IE8 toolbar BHO)

  - by simil

  I am developing an IE8 toolbar in C#. The toolbar has a button which when clicked adds some user defined content to the page. I am using a BHO to add the required HTML, CSS & JS to the page. Things are fine with "http" pages. But, when a "https" page is loaded, user keeps getting the IE warning "Do you want to view only the webpage content that was delivered securely?....". I traced the problem to some css rules, where I am using local png files which are already installed on the user's machine. Is there any way by which I can access the png files on the local machine without getting the IE8 warning?

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• Copy and pasting code into the Python interpreter

  - by wpeters

  There is a snippet of code that I would like to copy and paste into my Python interpreter. Unfortunately due to Python's sensitivity to whitespace it is not straightforward to copy and paste it a way that makes sense. (I think the whitespace gets mangled) Is there a better way? Maybe I can load the snippet from a file. This is just an small example but if there is a lot of code I would like to avoid typing everything from the definition of the function or copy and pasting line by line. class bcolors: HEADER = '\033[95m' OKBLUE = '\033[94m' OKGREEN = '\033[92m' WARNING = '\033[93m' FAIL = '\033[91m' ENDC = '\033[0m' def disable(self): self.HEADER = '' # I think stuff gets mangled because of the extra level of indentation self.OKBLUE = '' self.OKGREEN = '' self.WARNING = '' self.FAIL = '' self.ENDC = ''

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• Project hosting on Google Code. Files are cahced?

  - by Frexuz

  I do not really understand how Google Code handles file versioning. I am building a jQuery plugin that anyone can access. Like so: <script type="text/javascript" src="http://jquery-old-browser-warning.googlecode.com/files/jquery.browser-warning.js"></script> This script accesses other files on the same project (via ajax). The problem is, that when I upload a new file, it just seems like there aren't any changed to it. Google recommends that new files should have new names. But then I would have to change the filenames that the script loads. But then I would have to change the script file as well, and that would break everybodys implementation (with the script-tag above) Is there a way to force a file to change when uploading with the same filename? PS: If I go directly to the project page's file list. Then I do get the file with the updated content. But as I said, not when getting it through ajax.

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• Can I detect unused extra parameters passed to javascript methods?

  - by Pablojim

  In Javascript I can call any method with more than the necessary amount of parameters and the extra parameters are silently ignored. e.g. letters = ['a','b','c'] //correct letters.indexOf('a') //This also works without error or warning letters.indexOf('a', "blah", "ignore me", 38) Are there ways to detect cases where this occurs? My motivation is that in my experience cases where this occurs are usually bugs. Identification of these by code analysis or at runtime would help track these errors down. These cases are especially prevalent where people are expecting alterations to base types which may not have occurred. Logging a warning where this happens e.g. Date.parse('02--12--2012', 'dd--MM--YYYY') Notes: To be clear I would like a solution that doesn't involve me sprinkling checks all over my code and other peoples' code.

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• How to fix Eclipse validation error "No grammar constraints detected for the document"?

  - by Casey

  Eclipse 3.5.2 is throwing an XML schema warning message: No grammar constraints (DTD or XML schema) detected for the document. The application.xml file: <?xml version="1.0" encoding="UTF-8"?> <application xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/application_5.xsd" version="5"> </application> I do not want to disable the warning. How can I get Eclipse to correctly validate the XML document?

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• PHP Sessions Error

  - by Andrei Korchagin

  I'm new to PHP sessions and I've come across the following error: Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at somefile:someline). As well as this one: Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent by (output started at somefile:someline). The session_start(); is the very first thing in all of my code. I'm not sure what the problem is. It gave me line numbers but all I do on those lines is start the session. Also - I have a portion of code whose POST action is another PHP page. How can I set a $_SESSION variable pertaining to this page within that action page?

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• [c++] How to create a std::ofstream to a temp file?

  - by dehmann

  Okay, mkstemp is the preferred way to create a temp file in POSIX. But it opens the file and returns an int, which is a file descriptor. From that I can only create a FILE*, but not an std::ofstream, which I would prefer in C++. (Apparently, on AIX and some other systems, you can create an std::ofstream from a file descriptor, but my compiler complains when I try that.) I know I could get a temp file name with tmpnam and then open my own ofstream with it, but that's apparently unsafe due to race conditions, and results in a compiler warning (g++ v3.4. on Linux): warning: the use of `tmpnam' is dangerous, better use `mkstemp' So, is there any portable way to create an std::ofstream to a temp file?

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• iPhone using Camera causes array to be unloaded

  - by Aaron Dale

  I have an array of images that I'm displaying in a UITableView. When choosing images from the library using the UIImagePicker, everything is totally fine and I can add a lot of images to the array. As soon as I add an image from the camera using the Picker I receive a memory warning and my array of images is ditched. Coming back from the camera picker, the table view is empty. The UIImagePicker when using the camera as the source generates a memory warning before I have a chance to resize the image.

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• header problem in php refresh

  - by basma

  hello i have this code : <?php session_start(); echo "".$_SESSION['eventnum'].""; $urlRefresh = "testremot.php"; header("Refresh: 5; URL=\"" . $urlRefresh . "\""); ?> but the header doesnt work and this warning appear when i try to run this code : Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\remot\testremot.php:3) in C:\xampp\htdocs\remot\testremot.php on line 5 can you please help me ?

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• Inheritance and Implicit Type Casting

  - by Josué Molina

  Suppose I have the following three classes: class Animal {}; class Human : public Animal {}; class Dog : public Animal { public: void setOwner(Animal* owner) { this->owner = owner; } private: Animal* owner; }; Why is the following allowed, and what exactly is happening? Dog d; Human h; d.setOwner(&h); // ? At first, I tried to cast it like this d.setOwner(&(Animal)h), but the compiler gave me a warning, and I hit a run-time error. Edit: the warning the compiler gave me was "taking address of temporary". Why is this so?

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• open_basedir restriction does not allow me to use rename() or write files in a dir.

  - by lukasoppermann

  Hey, I have a php file (currently at / ) and I want this file to change the content of a file, "test.js". This file is in the dir "/libs/js/test.js". While I can read the content, for example with fread or file_get_contents, I can not write in it with file_put_contents or any other function. I always get the Warning Warning: rename() [function.rename]: open_basedir restriction in effect. File(/libs/js/test.js) is not within the allowed path(s): (/var/www/web166/:/usr/bin/) in /var/www/web166/html/info.php on line 88 Does anyone have any idea what to do? Thanks in advance.

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• casting issue with realpath function (c programming)

  - by Ralph

  When I compile the following code: #define _POSIX_C_SOURCE 200112L #define _ISOC99_SOURCE #define __EXTENSIONS__ #include <stdio.h> #include <limits.h> #include <stdlib.h> int main(int argc, char *argv[]) { char *symlinkpath = argv[1]; char actualpath [PATH_MAX]; char *ptr; ptr = realpath(symlinkpath, actualpath); printf("%s\n", ptr); } I get a warning on the line that contains the call to the realpath function, saying: warning: assignment makes pointer from integer without a cast Anybody know what's up? I'm running Ubuntu Linux 9.04

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• fetchedResultsController objectAtIndexPath: i "Passing argument 1 of objectAtIndexPath: makes pointer from integer without cast

  - by cocos2dbeginner

  NSMutableDictionary* dict = [[NSMutableDictionary alloc] init]; id <NSFetchedResultsSectionInfo> sectionInfo = [[self.fetchedResultsController sections] objectAtIndex:0]; for (int i; i<[sectionInfo numberOfObjects]; i++) { NSManagedObject *o = [self.fetchedResultsController objectAtIndexPath:i]; [dict setObject:[[o valueForKey:@"frontCard"] description] forKey:@"frontCard"]; [dict setObject:[[o valueForKey:@"flipCard"] description] forKey:@"flipCard"]; } In this line NSManagedObject *o = [self.fetchedResultsController objectAtIndexPath:i]; i get this warning: warning: passing argument 1 of 'objectAtIndexPath:' makes pointer from integer without a cast

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• Change highlighting of certain subviews in a UITableViewCell

  - by SpacyRicochet

  Is it possible to exclude certain subviews in a UITableViewCell from being highlighted or to change their highlight implementation? I added an orange warning label to the UITableViewCell for certain occassions and it highlights properly with the rest of the cell, which is good. However, when the cells stops being highlighted in an animated way, you first see the background of the warning label become white and then flash to orange. I would either like it to be excluded from being highlighted at all, or to change it's highlight implementation so it animates back to orange properly.

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• NSString potential leak

  - by VansFannel

  Hello. When I build and analyze my project on XCode, I obtain a 'warning' on the following line: NSString *contactEmail = (NSString *)ABMultiValueCopyValueAtIndex(emailInfo, 0); The message is: Potential leak on object allocated on line ... and stored into contactEmail. Is there any error on that line? UPDATE I get the same 'warning' with this line of code: ABMultiValueRef emailInfo = ABRecordCopyValue(person, kABPersonEmailProperty); But here, I can't do this: [emailInfo release]; I'm developing for iPhone.

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• MySQL server has gone away

  - by user491992

  Hello Friends, I executed this query on my MySql Server and it is giving me "MySQL server has gone away" Error.In following query my both table have more then 1000000 rows. SELECT a_tab_11_10.url as url,a_tab_11_10.c5 as 't1',a_tab_12_10.c3 as 't2' FROM a_tab_11_10 join a_tab_12_10 on (a_tab_11_10.url)=(a_tab_12_10.url) order by (a_tab_11_10.c5-a_tab_12_10.c3) desc limit 10 here is my log file but i am not getting it. Thank you @Faisal for answer and i check my log file but i am not getting it.. 110111 10:19:50 [Note] Plugin 'FEDERATED' is disabled. 110111 10:19:51 InnoDB: Started; log sequence number 0 945537221 110111 10:19:51 [Note] Event Scheduler: Loaded 0 events 110111 10:19:51 [Note] wampmysqld: ready for connections. Version: '5.1.36-community-log' socket: '' port: 3306 MySQL Community Server (GPL) 110111 12:35:42 [Note] wampmysqld: Normal shutdown 110111 12:35:43 [Note] Event Scheduler: Purging the queue. 0 events 110111 12:35:43 InnoDB: Starting shutdown... 110111 12:35:45 InnoDB: Shutdown completed; log sequence number 0 945538624 110111 12:35:45 [Warning] Forcing shutdown of 1 plugins 110111 12:35:45 [Note] wampmysqld: Shutdown complete 110111 12:36:39 [Note] Plugin 'FEDERATED' is disabled. 110111 12:36:40 InnoDB: Started; log sequence number 0 945538624 110111 12:36:40 [Note] Event Scheduler: Loaded 0 events 110111 12:36:40 [Note] wampmysqld: ready for connections. Version: '5.1.36-community-log' socket: '' port: 3306 MySQL Community Server (GPL) 110111 12:36:40 [Note] wampmysqld: Normal shutdown 110111 12:36:40 [Note] Event Scheduler: Purging the queue. 0 events 110111 12:36:40 InnoDB: Starting shutdown... 110111 12:36:42 InnoDB: Shutdown completed; log sequence number 0 945538634 110111 12:36:42 [Warning] Forcing shutdown of 1 plugins 110111 12:36:42 [Note] wampmysqld: Shutdown complete 110111 12:36:52 [Note] Plugin 'FEDERATED' is disabled. 110111 12:36:52 InnoDB: Started; log sequence number 0 945538634 110111 12:36:52 [Note] Event Scheduler: Loaded 0 events 110111 12:36:52 [Note] wampmysqld: ready for connections. Version: '5.1.36-community-log' socket: '' port: 3306 MySQL Community Server (GPL) 110111 12:37:42 [Note] wampmysqld: Normal shutdown 110111 12:37:42 [Note] Event Scheduler: Purging the queue. 0 events 110111 12:37:42 InnoDB: Starting shutdown... 110111 12:37:43 InnoDB: Shutdown completed; log sequence number 0 945538634 110111 12:37:43 [Warning] Forcing shutdown of 1 plugins 110111 12:37:43 [Note] wampmysqld: Shutdown complete 110111 12:37:46 [Note] Plugin 'FEDERATED' is disabled. 110111 12:37:46 InnoDB: Started; log sequence number 0 945538634 110111 12:37:46 [Note] Event Scheduler: Loaded 0 events 110111 12:37:46 [Note] wampmysqld: ready for connections. Version: '5.1.36-community-log' socket: '' port: 3306 MySQL Community Server (GPL)

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• Infinite gtk warnings when I right click on the icon

  - by Runner

  From this tuto: #include <gtk/gtk.h> int main( int argc, char *argv[]) { GtkWidget *window; gtk_init(&argc, &argv); window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_widget_show(window); gtk_main(); return 0; } I run the executable and right click on the icon,then infinite warnings(the same) reported: GLib-WARNING **: g_main_context_check() called recursively from within a source's check() or prepare() member. Anyone knows how to fix this warning?

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• Fast comparison of char arrays?

  - by StackedCrooked

  I'm currently working in a codebase where IPv4 addresses are represented as pointers to u_int8. The equality operator is implemented like this: bool Ipv4Address::operator==(const u_int8 * inAddress) const { return (*(u_int32*) this->myBytes == *(u_int32*) inAddress); } This is probably the fasted solution, but it causes the GCC compiler warning: ipv4address.cpp:65: warning: dereferencing type-punned pointer will break strict-aliasing rules How can I rewrite the comparison correctly without breaking strict-aliasing rules and without losing performance points? I have considered using either memcmp or this macro: #define IS_EQUAL(a, b) \ (a[0] == b[0] && a[1] == b[1] && a[2] == b[2] && a[3] == b[3]) I'm thinking that the macro is the fastest solution. What do you recommend?

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• how to use static function in header and compare with float array

  - by ed k

  I wrote this function: static bool colorIsEmpty(const Color col) { return (col[0] == 0 && col[1] == 0 && col[2] == 0 ); } where Color is simply a float[3]; the function doesn't work if col[3] are all 0; but this works: if(col[0] == col[1] == col[2] == 0) { //gets called } however gcc gives me warning: cColorTest.c:212:5: warning: suggest parentheses around comparison in operand of ‘==’ [-Wparentheses] so it would be nice if that function works,why it doesn't work?

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• Project hosting on Google Code. Files are cached?

  - by Frexuz

  I do not really understand how Google Code handles file versioning. I am building a jQuery plugin that anyone can access. Like so: <script type="text/javascript" src="http://jquery-old-browser-warning.googlecode.com/files/jquery.browser-warning.js"></script> This script accesses other files on the same project (via ajax). The problem is, that when I upload a new file, it just seems like there aren't any changed to it. Google recommends that new files should have new names. But then I would have to change the filenames that the script loads. But then I would have to change the script file as well, and that would break everybodys implementation (with the script-tag above) Is there a way to force a file to change when uploading with the same filename? PS: If I go directly to the project page's file list. Then I do get the file with the updated content. But as I said, not when getting it through ajax.

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• Having onFocus do several things.

  - by Jakob

  So I have this input tag <input ... onFocus=...> and what I want is for a warning popup to come up if somebody clicks to write in the input field. After the person has read the warning he/she closes the popup and can continue to write in the field. I have managed to implement the popup just fine but my problem is that I lose focus on the input field when the popup comes up so the next time I click the field the popup comes back again and im back on square one. The system I work on uses php and javascript so and I cannot use anything other than that to solve the problem and my experience with both php and javascript is limited.

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• Is allocating a dynamic array without specifying size well formed code?

  - by Als

  The following simple program snippet gives compilation errorswith gcc-4.3.4. Program: int main() { char *ptr = new char[10]; char *ptr1 = new char[]; return 0; } Compilation errors: prog.cpp: In function ‘int main()’: prog.cpp:4: error: expected primary-expression before ‘]’ token prog.cpp:3: warning: unused variable ‘ptr’ prog.cpp:4: warning: unused variable ‘ptr1’ But the same compiles cleanly with MSVC without any diagnostic message. So my question is: Does the Standard allow an new [] to be called without specifying the size? Or this a bug in MSVC? Can someone provide a reference from the standard which will conclusively say that the above code example is ill-formed or well-formed? I have had a look at: 5.3.4 New [expr.new] & 18.4.1.2 Array forms [lib.new.delete.array] but couldnt find any conclusive evidence about the behavior.

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