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• Determining when or when not to escape output

  - by Ygam

  I have a page, where I have approximately 90 items I need to output. Most of them are object properties (I am using ORM so these objects map to my database tables). But the question is, do I have to escape each of those 90 outputs by applying functions to each (in my case, the htmlspecialchars)? Wouldn't that add a bit of an overhead (calling a single function 90 times)?

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• Removing last part of string divided by a colon

  - by Harry Beasant

  I have a string that looks a little like this, world:region:bash It divides folder names, so i can create a path for FTP functions. However, i need at some points to be able to remove the last part of the string, so, for example I have this world:region:bash I need to get this world:region The script wont be able to know what the folder names are, so some how it needs to be able to remove the string after the last colon.

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• How do you redirect a standard stream of a C++ routine wrapped with SWIG and exposed to Python?

  - by cmdev

  Is it possible to control the standard streams of C++ code in python? The code is wrapped with SWIG and then exposed to Python where I call one of its functions. I am getting all kinds of unwanted messages coming from C++ code and I want to suppress them either by not using the output stream or by redirecting it to a bit bucket, e.g. devnull from the os module.

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• How do I tell cmake to do these two steps to use winpcap?

  - by Gtker

  Quoted from here: If your program uses Win32 specific functions of WinPcap, remember to include WPCAP among the preprocessor definitions. If your program uses the remote capture capabilities of WinPcap, add HAVE_REMOTE among the preprocessor definitions. Do not include remote-ext.h directly in your source files. Has anyone managed to use winpcap with cmake?

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• writing to an ioport resulting in segfaults...

  - by Sniperchild

  I'm writing for an atmel at91sam9260 arm 9 cored single board computer [glomation gesbc9260] Using request_mem_region(0xFFFFFC00,0x100,"name"); //port range runs from fc00 to fcff that works fine and shows up in /proc/iomem then i try to write to the last bit of the port at fc20 with writel(0x1, 0xFFFFFC20); and i segfault...specifically "unable to handle kernel paging request at virtual address fffffc20. I'm of the mind that i'm not allocating the right memory space... any helpful insight would be great...

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• Passing JSON through the URI

  - by Leaf

  I'm trying to create a REST based web service with data encapsulated using JSON. My problem is when I pass the string version of JSON in the URI it turns to something like this: %7B%22coal%22:100,%22ele%22:1500.1%7D. I'm wondering if there are any functions Java for converting between the escaped and unescaped versions so I can parse the string.

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• Function names extraction from static library.

  - by Max

  Hi! I have a static library static_library.a How to list functions and methods realized there. or at least how to look is there concrete function 'FUNCTION_NAME' realized?

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• Is there a possibility to enable html 5 features for internet explorer users ?

  - by stighy

  I'm using CSS 3 features like "rounded corner" or "shadow box". IMHO These are fantastic features for people like me with no graphics knowledge. But, i've noticed, IE 7-8 not support CSS 3. So i'm asking you: is there a way to "enable" some features maybe with some javascript functions to include in my html file ? Thank you!

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• CFPreferences for another (or all) users

  - by James Turner

  I'm working on a background service which needs to ask several users' iTunes settings (the users will opt-in via a helper application which they run from their login). Is there an easy way to read the preferences for another user, than the current one, using CFPreferences? The docs, for example for CFPreferencesCopyValue, explicitly state: 'Do not use arbitrary user and host names, instead pass the pre-defined domain qualifier constants.', when passing the 'userName' argument to the various functions.

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• How to relink existing shared library with extra object file

  - by awy

  I have existing Linux shared object file (shared library) which has been stripped. I want to produce a new version of the library with some additional functions included. I had hoped that something like the following would work, but does not: ld -o newlib.so newfuncs.o --whole-archive existinglib.so I do not have the source to the existing library. I could get it but getting a full build environment with the necessary dependencies in place would be a lot of effort for what seems like a simple problem.

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• uploaded image doesn't change in the browser, although on the drive I have the new image

  - by Omu

  I have a View where I can upload an image and the image is also displayed in there like this: //ResourceStorage is a virtual directory that indicates to the pictures storage location <img src='<%=Url.Content("~/ResourceStorage/Profile/pic.jpg") %>' alt='pic' /> after I upload the picture, on the hard drive I get the new "pic.jpg" but in the browser I still have the old one (I tried clearing the cache, doesn't help)

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• triggering an event with jQuery live or delegate

  - by patrick

  I'd like to attach a handler to an element using either jQuery live() or delegate(). Looking at the docs I see I can attach the handler for a custom event. Is this possible for either of these jQuery functions to also trigger the handler? Basically I want to attach the handler function and run call it once. Thank you for any help.

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• overloading new/delete problem

  - by hidayat

  This is my scenario, Im trying to overload new and delete globally. I have written my allocator class in a file called allocator.h. And what I am trying to achieve is that if a file is including this header file, my version of new and delete should be used. So in a header file "allocator.h" i have declared the two functions extern void* operator new(std::size_t size); extern void operator delete(void *p, std::size_t size); I the same header file I have a class that does all the allocator stuff, class SmallObjAllocator { ... }; I want to call this class from the new and delete functions and I would like the class to be static, so I have done this: template<unsigned dummy> struct My_SmallObjectAllocatorImpl { static SmallObjAllocator myAlloc; }; template<unsigned dummy> SmallObjAllocator My_SmallObjectAllocatorImpl<dummy>::myAlloc(DEFAULT_CHUNK_SIZE, MAX_OBJ_SIZE); typedef My_SmallObjectAllocatorImpl<0> My_SmallObjectAllocator; and in the cpp file it looks like this: allocator.cc void* operator new(std::size_t size) { std::cout << "using my new" << std::endl; if(size > MAX_OBJ_SIZE) return malloc(size); else return My_SmallObjectAllocator::myAlloc.allocate(size); } void operator delete(void *p, std::size_t size) { if(size > MAX_OBJ_SIZE) free(p); else My_SmallObjectAllocator::myAlloc.deallocate(p, size); } The problem is when I try to call the constructor for the class SmallObjAllocator which is a static object. For some reason the compiler are calling my overloaded function new when initializing it. So it then tries to use My_SmallObjectAllocator::myAlloc.deallocate(p, size); which is not defined so the program crashes. So why are the compiler calling new when I define a static object? and how can I solve it?

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• Variable timeouts in GLib

  - by Matachana

  I need to modify a GLib's time-out interval while it is in execution. Is that possible? I took a look to the source code and it seems possible to me, but is required use some non-public functions from GLib internals. Should I reimplement GTimeoutSource or there are a way to do it?

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• RTTI and Portability in C++

  - by Joshua

  If a compiler doesn't "support" RTTI, does that mean that the compiler can not handle class hierarchies that have virtual functions in them? Or have I been misunderstanding the literature about how RTTI isn't portable, and the issues lie elsewhere?

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• MySQL - Calculate the net time difference between two date-times while excluding breaks?

  - by John M

  In a MySQL query I am using the timediff/time_to_sec functions to calculate the total minutes between two date-times. For example: 2010-03-23 10:00:00 - 2010-03-23 08:00:00 = 120 minutes What I would like to do is exclude any breaks that occur during the selected time range. For example: 2010-03-23 10:00:00 - 2010-03-23 08:00:00 - (break 08:55:00 to 09:10:00) = 105 minutes Is there a good method to do this without resorting to a long list of nested IF statements?

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• How do I create both a .lib file and an .exe file in Visual C++?

  - by Spidey

  I currently have a console project which creates an .exe file; I want it to also create a .lib file so other projects, compiled as DLLs, would be able to call functions from the original project. I know it is possible, but I couldn't find how to do that. How do I tell the linker to also link a .lib?

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• How exactly does fopen(), fclose() work?

  - by user625672

  Hi, I was just wondering about the functions fopen, fclose, socket and closesocket. When calling fopen or opening a socket, what exactly is happening (especially memory wise)? Can opening files/sockets without closing them cause memory leaks? And third, how are sockets created and what do they look like memory wise? I'm also interrested in the role of the operating system (Windows) in reading the sockets and sending the data.

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• In Android OS or Java, what's the difference between a character sequence and a string????

  - by K-RAN

  For the API (Android SDK API version 8) functions whose definitions list character sequence parameters, I can feed the function String instead. Best part is that they work the same way, no hassle, no warnings. Is there a difference between the two types? And more importantly, is there an inherent danger if I send the function a String instead of a character sequence??? Thanks for any clarifications!!! :D

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• In perl, can I call a method before executing every function in a package?

  - by hermanningjaldsson

  I am writing a module and I want a specific piece of code to be executed before each of the functions in it. How do I do that? Is there no other way than to just have a function-call at the beginning of every function?

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• Use .NET in VB6 or classical ASP

  - by Michael

  Duplicate of Calling .NET methods from VB6 via COM visible DLL Which ways exist to use/call .NET classes/functions/libraries (.net 3.x) in VB6 or classical ASP ? Has anybody experiences with that ? How much effort is necessary to wrap .NET to COM ? Are there tools which help ?

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• Convert.ToSingle() for float data Type

  - by Asim Sajjad

  I have used many of the Convert.To..... functions for conversion , but I didn't understand one thing that for every datatype they have provide a Convert.To function but not for float datatype, in order to convert to float you need to use Convert.ToSingle() , why is this so ?

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• How to Define ENUM in SQLserver 2005?

  - by KuldipMCA

  Is there any way to Define ENUM in Sqlserver 2005? I have Fixed values which i need to use in Procedures and Functions.

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• Graceful way to exit a dm_job ? System.exit()?

  - by Ayrad

  If I want to properly exit a documentum java job (if params are invalid for example), should I use a system.exit() or is there another way to do it. As far as I know system.exit closes the virtual machine, does it have an effect on other jobs running?

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• looking for a javascript engine

  - by c0f33.alex

  i'm looking for a js engine to that I can (easily) expose C/C++ functions, classes etc. The API should allow changing exposed values from within C++ (by storing some kind of pointer or reference to an object inside js or so...). I've considered using google's v8 but I'm new to it and don't know whether it will satisfy my requirements. Can someone tell me whether I should stick to v8 or try something else?

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